TI TIBPAL20R4

TIBPAL20L8-10C, TIBPAL20R4-10C, TIBPAL20R6-10C, TIBPAL20R8-10C
HIGH-PERFORMANCE IMPACT-X  PAL CIRCUITS
SRPS008A – D3336, OCTOBER 1989 – REVISED MARCH 1992
•
•
•
•
•
(TOP VIEW)
I
I
I
I
I
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GND
Functionally Equivalent, but Faster Than
Existing 24-Pin PLD Circuits
Preload Capability on Output Registers
Simplifies Testing
Power-Up Clear on Registered Devices (All
Register Outputs are Set Low, but Voltage
Levels at the Output Pins Go High)
Dependable Texas Instruments Quality and
Reliability
3-STATE
O OUTPUTS
REGISTERED
Q OUTPUTS
I
I
I
NC
I
I
I
I/O
PORT
S
PAL20L8
14
2
0
6
PAL20R4
12
0
4 (3-state buffers)
4
PAL20R6
12
0
6 (3-state buffers)
2
PAL20R8
12
0
8 (3-state buffers)
0
23
3
22
4
21
5
20
6
19
7
18
8
17
9
16
10
15
11
14
12
13
VCC
I
O
I/O
I/O
I/O
I/O
I/O
I/O
O
I
I
(TOP VIEW)
Security Fuse Prevents Duplication
I
INPUTS
24
2
TIBPAL20L8’
FN PACKAGE
Package Options Include Plastic Chip
Carriers in Addition to Plastic and Ceramic
DIPs
DEVICE
1
I
I
I
NC
VCC
I
O
•
TIBPAL20L8’
JT OR NT PACKAGE
High-Performance Operation:
fmax (no feedback)
TIBPAL20R’ . . . 71.4 MHz
fmax (internal feedback)
TIBPAL20R’ . . . 58.8 MHz
fmax (external feedback)
TIBPAL20R’ . . . 55.5 MHz
Propagation Delay
TIBPAL20’ . . . 10 ns Max
4
5
3 2 1 28 27 26
25
6
24
7
23
8
22
9
21
10
20
11
19
12 13 14 15 16 17 18
I/O
I/O
I/O
NC
I/O
I/O
I/O
I
I
GND
NC
I
I
O
•
description
These programmable array logic devices feature
NC – No internal connection
high speed and functional equivalency when
Pin assignments in operating mode
compared with currently available devices. These
IMPACT-X circuits combine the latest Advanced
Low-Power Schottky technology with proven titanium-tungsten fuses to provide reliable, high-performance
substitutes for conventional TTL logic. Their easy programmability allows for quick design of custom functions
and typically results in a more compact circuit board. In addition, chip carriers are available for futher reduction
in board space.
All of the register outputs are set to a low level during power up. Extra circuitry has been provided to allow loading
of each register asynchronously to either a high or low state. This feature simplifies testing because the registers
can be set to an initial state prior to executing the test sequence.
The TIBPAL20’ C series is characterized from 0°C to 75°C.
These devices are covered by U.S. Patent 4,410,987.
IMPACT-X is a trademark of Texas Instruments Incorporated.
PAL is a registered trademark of Advanced Micro Devices Inc.
Copyright  1992, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily
include testing of all parameters.
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
1
TIBPAL20R4-10C, TIBPAL20R6-10C, TIBPAL20R8-10C
HIGH-PERFORMANCE IMPACT-X  PAL CIRCUITS
SRPS008A – D3336, OCTOBER 1989 – REVISED MARCH 1992
(TOP VIEW)
(TOP VIEW)
24
23
22
21
20
19
18
17
16
15
14
13
VCC
I
I/O
I/O
Q
Q
Q
Q
I/O
I/O
I
OE
I
I
I
NC
I
I
I
4 3 2 1 28 27 26
5
25
6
24
7
23
8
22
9
21
10
20
11
19
12 13 14 15 16 17 18
(TOP VIEW)
(TOP VIEW)
VCC
I
I/O
Q
Q
Q
Q
Q
Q
I/O
I
OE
I
I
I
NC
I
I
I
4 3 2 1 28 27 26
5
25
6
24
7
23
8
22
9
21
10
20
11
19
12 13 14 15 16 17 18
(TOP VIEW)
(TOP VIEW)
VCC
I
Q
Q
Q
Q
Q
Q
Q
Q
I
OE
I
I
I
NC
I
I
I
4 3 2 1 28 27 26
5
25
6
24
7
23
8
22
9
21
10
20
11
19
12 13 14 15 16 17 18
NC
Pin assignments in operating mode
2
POST OFFICE BOX 655303
OE
I
Q
24
23
22
21
20
19
18
17
16
15
14
13
I
I
GND
NC
1
2
3
4
5
6
7
8
9
10
11
12
VCC
I
Q
TIBPAL20R8’
FN PACKAGE
I
I
CLK
NC
TIBPAL20R8’
JT OR NT PACKAGE
CLK
I
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I
I
I
I
I
I
I
GND
– No internal connection
• DALLAS, TEXAS 75265
Q
Q
Q
NC
Q
Q
Q
OE
I
I/O
24
23
22
21
20
19
18
17
16
15
14
13
I
I
GND
NC
1
2
3
4
5
6
7
8
9
10
11
12
VCC
I
I/O
TIBPAL20R6’
FN PACKAGE
I
I
CLK
NC
TIBPAL20R6’
JT OR NT PACKAGE
CLK
I
I
I
I
I
I
I
I
I
I
GND
I/O
Q
Q
NC
Q
Q
I/O
OE
I
I/O
1
2
3
4
5
6
7
8
9
10
11
12
I
I
GND
NC
CLK
I
I
I
I
I
I
I
I
I
I
GND
VCC
I
I/O
TIBPAL20R4’
FN PACKAGE
I
I
CLK
NC
TIBPAL20R4’
JT OR NT PACKAGE
Q
Q
Q
NC
Q
Q
Q
TIBPAL20L8-10C, TIBPAL20R4-10C
HIGH-PERFORMANCE IMPACT-X  PAL CIRCUITS
SRPS008A – D3336, OCTOBER 1989 – REVISED MARCH 1992
functional block diagrams (positive logic)
TIBPAL20L8’
&
40 X 64
20 x
I
14
20
6
20
EN ≥ 1
7
O
7
O
7
I/O
7
I/O
7
I/O
7
I/O
7
I/O
7
I/O
6
TIBPAL20R4’
OE
CLK
EN 2
C1
&
40 X 64
20 x
I
12
≥1
8
I=0 2
Q
1D
8
Q
8
Q
8
Q
20
4
4
20
EN ≥ 1
7
I/O
7
I/O
7
I/O
7
I/O
4
4
denotes fused inputs
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
3
TIBPAL20R6-10C, TIBPAL20R8-10C
HIGH-PERFORMANCE IMPACT-X  PAL CIRCUITS
SRPS008A – D3336, OCTOBER 1989 – REVISED MARCH 1992
functional block diagrams (positive logic)
TIBPAL20R6’
OE
CLK
EN 2
C1
&
40 X 64
20 x
I
12
≥1
8
I=0 2
Q
1D
8
Q
8
Q
8
Q
8
Q
8
Q
20
6
2
20
EN ≥ 1
7
I/O
I/O
7
2
6
TIBPAL20R8’
OE
CLK
EN 2
C1
&
40 X 64
20 x
I
12
8
≥1
I=0 2
8
Q
8
Q
8
Q
8
Q
8
Q
8
Q
8
Q
20
8
20
8
denotes fused inputs
4
Q
1D
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
TIBPAL20L8-10C
HIGH-PERFORMANCE IMPACT-X  PAL CIRCUITS
SRPS008A – D3336, OCTOBER 1989 – REVISED MARCH 1992
logic diagram (positive logic)
I
1
Increment
0
I
4
8
12
16
20
24
28
32
2
36
39
23
I
First Fuse
Numbers
I
I
I
I
I
I
I
I
I
3
4
5
6
7
8
9
10
0
40
80
120
160
200
240
280
22
320
360
400
440
480
520
560
600
21
640
680
720
760
800
840
880
920
20
960
1000
1040
1080
1120
1160
1200
1240
19
1280
1320
1360
1400
1440
1480
1520
1560
18
1600
1640
1680
1720
1760
1800
1840
1880
17
1920
1960
2000
2040
2080
2120
2160
2200
16
2240
2280
2320
2360
2400
2440
2480
2520
15
14
11
13
O
I/O
I/O
I/O
I/O
I/O
I/O
O
I
I
Fuse number = First fuse number + Increment
Pin numbers shown are for JT and NT packages.
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
5
TIBPAL20R4-10C
HIGH-PERFORMANCE IMPACT-X  PAL CIRCUITS
SRPS008A – D3336, OCTOBER 1989 – REVISED MARCH 1992
logic diagram (positive logic)
CLK
1
Increment
0
I
4
8
12
16
20
24
28
32
36
39
2
23
I
First Fuse
Numbers
I
I
I
I
I
I
I
I
I
3
4
5
6
7
8
9
10
0
40
80
120
160
200
240
280
22
320
360
400
440
480
520
560
600
21
640
680
720
760
800
840
880
920
I=0
1D
960
1000
1040
1080
1120
1160
1200
1240
I=0
1D
1280
1320
1360
1400
1440
1480
1520
1560
I=0
1D
1600
1640
1680
1720
1760
1800
1840
1880
I=0
1D
I/O
Q
C1
19
Q
C1
18
Q
C1
17
Q
C1
1920
1960
2000
2040
2080
2120
2160
2200
16
2240
2280
2320
2360
2400
2440
2480
2520
15
11
14
13
Fuse number = First fuse number + Increment
Pin numbers shown are for JT and NT packages.
6
20
I/O
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
I/O
I/O
I
OE
TIBPAL20R6-10C
HIGH-PERFORMANCE IMPACT-X  PAL CIRCUITS
SRPS008A – D3336, OCTOBER 1989 – REVISED MARCH 1992
logic diagram (positive logic)
CLK
1
Increment
0
I
4
8
12
16
20
24
28
32
36
39
2
23
I
First Fuse
Numbers
I
I
I
I
I
I
I
I
I
3
4
5
6
7
8
9
10
0
40
80
120
160
200
240
280
22
320
360
400
440
480
520
560
600
I=0
1D
640
680
720
760
800
840
880
920
I=0
1D
960
1000
1040
1080
1120
1160
1200
1240
I=0
1D
1280
1320
1360
1400
1440
1480
1520
1560
I=0
1D
1600
1640
1680
1720
1760
1800
1840
1880
I=0
1D
1920
1960
2000
2040
2080
2120
2160
2200
I=0
1D
21
I/O
Q
C1
20
Q
C1
19
Q
C1
18
Q
C1
17
Q
C1
16
Q
C1
2240
2280
2320
2360
2400
2440
2480
2520
15
11
14
13
Fuse number = First fuse number + Increment
Pin numbers shown are for JT and NT packages.
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
I/O
I
OE
7
TIBPAL20R8-10C
HIGH-PERFORMANCE IMPACT-X  PAL CIRCUITS
SRPS008A – D3336, OCTOBER 1989 – REVISED MARCH 1992
logic diagram (positive logic)
CLK
1
Increment
0
I
4
8
12
16
20
24
28
32
36
39
2
23
I
First Fuse
Numbers
I
I
I
I
I
I
I
I
I
3
4
5
6
7
8
9
10
0
40
80
120
160
200
240
280
I=0
1D
320
360
400
440
480
520
560
600
I=0
1D
640
680
720
760
800
840
880
920
I=0
1D
960
1000
1040
1080
1120
1160
1200
1240
I=0
1D
1280
1320
1360
1400
1440
1480
1520
1560
I=0
1D
1600
1640
1680
1720
1760
1800
1840
1880
I=0
1D
1920
1960
2000
2040
2080
2120
2160
2200
I=0
1D
2240
2280
2320
2360
2400
2440
2480
2520
I=0
1D
Q
C1
21
Q
C1
20
Q
C1
19
Q
C1
18
Q
C1
17
Q
C1
16
Q
C1
15
Q
C1
11
14
13
Fuse number = First fuse number + Increment
Pin numbers shown are for JT and NT packages.
8
22
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
I
OE
TIBPAL20L8-10C, TIBPAL20R4-10C, TIBPAL20R6-10C, TIBPAL20R8-10C
HIGH-PERFORMANCE IMPACT-X  PAL CIRCUITS
SRPS008A – D3336, OCTOBER 1989 – REVISED MARCH 1992
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
Input voltage (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 V
Voltage applied to disabled output (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 V
Operating free-air temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 75°C
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 65°C to 150°C
NOTE 1: These ratings apply except for programming pins during a programming cycle.
recommended operating conditions
MIN
NOM
MAX
UNIT
4.75
5
5.25
V
5.5
V
VCC
VIH
Supply voltage
VIL
IOH
Low-level input voltage
High-level output current
– 3.2
mA
IOL
fclock†
Low-level output current
24
mA
71.4
MHz
High-level input voltage
2
0.8
Clock frequency
0
tw†
Pulse duration, clock (see Note 2)
tsu†
th†
Setup time, input or feedback before clock↑
High
7
Low
7
Hold time, input or feedback after clock↑
V
ns
10
ns
0
ns
TA
Operating free-air temperature
0
25
75
°C
† fclock, tw, tsu, and th do not apply for TIBPAL20L8’.
NOTE 2: These are absolute voltage levels with respect to the ground pin of the device and include all overshoots due to system and/or tester
noise. Testing these parameters should not be attempted without suitable equipment.
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
9
TIBPAL20L8-10C, TIBPAL20R4-10C, TIBPAL20R6-10C, TIBPAL20R8-10C
HIGH-PERFORMANCE IMPACT-X  PAL CIRCUITS
SRPS008A – D3336, OCTOBER 1989 – REVISED MARCH 1992
electrical characteristics over recommended operating free-air temperature range
PARAMETER
VIK
VOH
VOL
IOZH‡
O, Q outputs
IOZL‡
O, Q outputs
TEST CONDITIONS
VCC = 4.75 V,
VCC = 4.75 V,
II = – 18 mA
IOH = – 3.2 mA
VCC = 4.75 V,
IOL = 24 mA
VCC = 5.25 V,
VO = 2.7 V
VCC = 5.25 V,
VO = 0.4 V
VCC = 5.25 V,
VCC = 5.25 V,
VI = 5.5 V
VI = 2.7 V
IOS§
VCC = 5.25 V,
VCC = 5.25 V,
VI = 0.4 V
VO = 0.5 V
ICC
VCC = 5.25 V,
Outputs open,
VI = 0,
OE = VIH
Ci
f = 1 MHz,
Co
f = 1 MHz,
VI = 2 V
VO = 2 V
Cclk
f = 1 MHz,
VCLK = 2 V
I/O ports
I/O ports
II
IIH‡
IIL‡
MIN
TYP†
MAX
UNIT
–0.8
– 1.5
V
2.4
V
0.3
0.5
20
100
– 20
– 100
0.2
– 30
–70
V
µA
µA
mA
25
µA
– 0.25
mA
– 130
mA
210
mA
7
pF
8
pF
12
pF
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted)
PARAMETER
FROM
(INPUT)
fmax¶
TO
(OUTPUT)
TEST CONDITION
MIN
without feedback
71.4
with internal feedback
(counter configuration)
58.8
with external feedback
TYP†
MAX
UNIT
MHz
55.5
I, I/O
O, I/O
R1 = 200 Ω,
3
8
10
CLK↑
Q
R2 = 390 Ω,
2
5
8
ns
tpd#
ten
CLK↑
Feedback input
See Figure 6
7
ns
OE↓
Q
2
6
10
ns
tdis
ten
OE↑
Q
2
6
10
ns
I, I/O
O, I/O
3
8
10
ns
I, I/O
O, I/O
2
8
10
ns
tpd
tpd
tdis
tsk(o)||
Skew between registered outputs
0.5
ns
† All typical values are at VCC = 5 V, TA = 25°C.
‡ I/O leakage is the worst case of IOZL and IIL or IOZH and IIH respectively.
§ Not more than one output should be shorted at a time, and the duration of the short circuit should not exceed one second. VO is set at 0.5 V to
avoid test problems caused by test equipment ground degradation.
¶ See section for fmax specifications. fmax does not apply for TIBPAL20L8’.
# This parameter applies to TIBPAL20R4’ and TIBPAL20R6’ only (see Figure 4 for illustration) and is calculated from the measured fmax with internal
feedback in the counter configuration.
|| This parameter is the measurement of the difference between the fastest and slowest tpd (CLK-to-Q) observed when multiple registered outputs
are switching in the same direction.
10
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
TIBPAL20L8-10C, TIBPAL20R4-10C, TIBPAL20R6-10C, TIBPAL20R8-10C
HIGH-PERFORMANCE IMPACT-X  PAL CIRCUITS
SRPS008A – D3336, OCTOBER 1989 – REVISED MARCH 1992
programming information
Texas Instruments programmable logic devices can be programmed using widely available software and
inexpensive device programmers.
Complete programming specifications, algorithms, and the latest information on hardware, software, and
firmware are available upon request. Information on programmers capable of programming Texas Instruments
programmable logic is also available, upon request, from the nearest TI field sales office, local authorized TI
distributor, or by calling Texas Instruments at (214) 997-5666.
preload procedure for registered outputs (see Figure 1 and Note 3)
The output registers can be preloaded to any desired state during device testing. This permits any state to be
tested without having to step through the entire state-machine sequence. Each register is preloaded individually
by following the steps given below.
Step 1.
Step 2.
Step 3.
Step 4.
With VCC at 5 volts and Pin 1 at VIL, raise Pin 13 to VIHH.
Apply either VIL or VIH to the output corresponding to the register to be preloaded.
Pulse Pin 1, clocking in preload data.
Remove output voltage, then lower Pin 13 to VIL. Preload can be verified by observing the
voltage level at the output pin.
VIHH
Pin 13
VIL
td
tsu
tw
td
VIH
Pin 1
VIL
VIH
Registered I/O
Input
VOH
Output
VIL
VOL
Figure 1. Preload Waveforms
NOTE 3: td = tsu = th = 100 ns to 1000 ns VIHH = 10.25 V to 10.75 v
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
11
TIBPAL20L8-10C, TIBPAL20R4-10C, TIBPAL20R6-10C, TIBPAL20R8-10C
HIGH-PERFORMANCE IMPACT-X  PAL CIRCUITS
SRPS008A – D3336, OCTOBER 1989 – REVISED MARCH 1992
power-up reset (see Figure 2)
Following power up, all registers are reset to zero. This feature provides extra flexibility to the system designer
and is especially valuable in simplifying state-machine initialization. To ensure a valid power-up reset, it is
important that the rise of VCC be monotonic. Following power-up reset, a low-to-high clock transition must not
occur until all applicable input and feedback setup times are met.
VCC
5V
4V
tpd†
(600 ns TYP, 1000 ns MAX)
VOH
Active Low
Registered Output
1.5 V
VOL
tsu‡
VIH
CLK
1.5 V
1.5 V
VIL
tw
† This is the power-up reset time and applies to registered outputs only. The values shown are from characterization data.
‡ This is the setup time for input or feedback.
Figure 2. Power-Up Reset Waveforms
12
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
TIBPAL20L8-10C, TIBPAL20R4-10C, TIBPAL20R6-10C, TIBPAL20R8-10C
HIGH-PERFORMANCE IMPACT-X  PAL CIRCUITS
SRPS008A – D3336, OCTOBER 1989 – REVISED MARCH 1992
fmax SPECIFICATIONS
fmax without feedback, see Figure 3
In this mode, data is presented at the input to the flip-flop and clocked through to the Q output with no feedback.
Under this condition, the clock period is limited by the sum of the data setup time and the data hold time (tsu + th).
However, the minimum fmax is determined by the minimum clock period (tw high + tw low).
1
1
Thus, f max without feedback
or (t
t ).
(t whigh
t wlow)
su
h
+
)
)
CLK
LOGIC
ARRAY
C1
1D
tsu + th
or
tw high + tw low
Figure 3. fmax Without Feedback
fmax with internal feedback, see Figure 4
This configuration is most popular in counters and on-chip state-machine designs. The flip-flop inputs are
defined by the device inputs and flip-flop outputs. Under this condition, the period is limited by the internal delay
from the flip-flop outputs through the internal feedback and logic array to the inputs of the next flip-flop.
1
Thus, f max with internal feedback
(t su
t
CLK to FB) .
pd
+
)
* *
Where tpd CLK-to-FB is the deduced value of the delay from CLK to the input of the logic array.
CLK
LOGIC
ARRAY
C1
1D
tsu
tpd CLK - to - FB
Figure 4. fmax With Internal Feedback
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
13
TIBPAL20L8-10C, TIBPAL20R4-10C, TIBPAL20R6-10C, TIBPAL20R8-10C
HIGH-PERFORMANCE IMPACT-X  PAL CIRCUITS
SRPS008A – D3336, OCTOBER 1989 – REVISED MARCH 1992
fmax SPECIFICATIONS
fmax with external feedback, see Figure 5
This configuration is a typical state-machine design with feedback signals sent off-chip. This external feedback
could go back to the device inputs or to a second device in a multi-chip state machine. The slowest path defining
the period is the sum of the clock-to-output time and the input setup time for the external signals
(tsu + tpd CLK-to-Q).
1
Thus, f max with external feedback
(t su
t
CLK to Q).
pd
+
)
* *
CLK
LOGIC
ARRAY
NEXT DEVICE
C1
1D
tsu
tpd CLK - to - Q
tsu
Figure 5. fmax With External Feedback
14
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
TIBPAL20L8-10C, TIBPAL20R4-10C, TIBPAL20R6-10C, TIBPAL20R8-10C
HIGH-PERFORMANCE IMPACT-X  PAL CIRCUITS
SRPS008A – D3336, OCTOBER 1989 – REVISED MARCH 1992
PARAMETER MEASUREMENT INFORMATION
5V
S1
R1
From Output
Under Test
Test
Point
CL
(see Note A)
R2
LOAD CIRCUIT FOR
3-STATE OUTPUTS
1.5 V
1.5 V
tw
th
3.5 V
Data
Input
1.5 V
3.5 V
0.3 V
In-Phase
Output
VOH
1.5 V
VOL
tpd
tpd
1.5 V
VOH
1.5 V
VOL
3.5 V
1.5 V
Waveform 1
S1 Closed
(see Note B)
tdis
1.5 V
≈ 3.3 V
VOL +0.5 V
VOL
tdis
ten
Waveform 2
S1 Open
(see Note B)
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
1.5 V
0.3 V
ten
tpd
1.5 V
1.5 V
0.3 V
Output
Control
(low-level
enabling)
1.5 V
tpd
1.5 V
VOLTAGE WAVEFORMS
PULSE DURATIONS
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
1.5 V
3.5 V
Low-Level
Pulse
1.5 V
0.3 V
Input
1.5 V
0.3 V
0.3 V
tsu
Out-of-Phase
Output
(see Note D)
3.5 V
High-Level
Pulse
3.5 V
Timing
Input
VOH
1.5 V
VOH –0.5 V
≈0V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES, 3-STATE OUTPUTS
NOTES: A. CL includes probe and jig capacitance and is 50 pF for tpd and ten, 5 pF for tdis.
B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. Waveform 2
is for an output with internal conditions such that the output is high except when disabled by the output control.
C. All input pulses have the following characteristics: PRR ≤ 1 MHz, tr = tf ≤ 2 ns, duty cycle = 50%.
D. When measuring propagation delay times of 3-state outputs, switch S1 is closed.
E. Equivalent loads may be used for testing.
Figure 6. Load Circuit and Voltage Waveforms
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
15
TIBPAL20L8-10C, TIBPAL20R4-10C, TIBPAL20R6-10C, TIBPAL20R8-10C
HIGH-PERFORMANCE IMPACT-X  PAL CIRCUITS
SRPS008A – D3336, OCTOBER 1989 – REVISED MARCH 1992
TYPICAL CHARACTERISTICS
SUPPLY CURRENT
vs
FREE - AIR TEMPERATURE
PROPAGATION DELAY TIME
vs
SUPPLY VOLTAGE
8
220
7
Propagation Delay Time – ns
I CC – Supply Current – mA
200
VCC = 5.25 V
180
VCC = 5 V
160
VCC = 4.75 V
140
6
tPHL (I, I/O to O, I/O)
5
tPLH (I, I/O to O, I/O)
4
tPHL (CLK to Q)
3
tPLH (CLK to Q)
TA = 25 ° C
CL = 50 pF
R1 = 200 Ω
R2 = 390 Ω
1 Output Switching
2
120
1
100
0
25
50
TA – Free - Air Temperature – ° C
0
4.75
75
5
VCC – Supply Voltage – V
Figure 7
Figure 8
PROPAGATION DELAY TIME
vs
FREE - AIR TEMPERATURE
PROPAGATION DELAY TIME
vs
LOAD CAPACITANCE
8
16
VCC = 5 V
TA = 25 ° C
R1 = 200 Ω
R2 = 390 Ω
1 Output Switching
14
6
tPHL (I, I/O to O, I/O)
5
tPLH (I, I/O to O, I/O)
4
Propagation Delay Time – ns
Propagation Delay Time – ns
7
tPHL (CLK to Q)
3
tPLH (CLK to Q)
VCC = 5 V
CL = 50 pF
R1 = 200 Ω
R2 = 390 Ω
1 Output Switching
2
1
12
10
8
tPLH (CLK to Q)
tPHL (CLK to Q)
6
tPHL (I, I/O to O, I/O)
4
tPLH (I, I/O to O, I/O)
2
0
0
0
25
50
TA – Free - Air Temperature – ° C
75
0
Figure 9
16
5.25
100
500
200
300
400
CL – Load Capacitance – pF
Figure 10
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
600
TIBPAL20L8-10C, TIBPAL20R4-10C, TIBPAL20R6-10C, TIBPAL20R8-10C
HIGH-PERFORMANCE IMPACT-X  PAL CIRCUITS
SRPS008A – D3336, OCTOBER 1989 – REVISED MARCH 1992
TYPICAL CHARACTERISTICS
POWER DISSIPATION
vs
FREQUENCY
8 - BIT COUNTER MODE
PROPAGATION DELAY TIME†
vs
NUMBER OF OUTPUTS SWITCHING
– Skew Between Outputs Switching – ns
1000
900
TA = 0 ° C
TA = 25 ° C
800
TA = 80 ° C
700
t sk(o)
P – Power Dissipation – mW
D
VCC = 5 V
600
0.8
VCC = 5 V
TA = 25 ° C
R1 = 200 Ω
R2 = 390 Ω
CL = 50 pF
8-Bit Counter
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1
4
10
40
100
2
3
F – Frequency – MHz
4
5
6
7
Number of Outputs Switching
Figure 11
8
Figure 12
PROPAGATION DELAY TIME
vs
NUMBER OF OUTPUTS SWITCHING
8
7
Propagation Delay Time – ns
tPHL (I, I/O to O, I/O)
6
tPLH (I, I/O to O, I/O)
5
tPHL (CLK to Q)
4
3
tPLH (CLK to Q)
2
VCC = 5 V
TA = 25 ° C
CL = 50 pF
R1 = 200 Ω
R2 = 390 Ω
1
0
0
1
2
3
4
5
6
Number of Outputs Switching
7
8
Figure 13
†Outputs switching in the same direction (t
PLH compared to tPLH/tPHL to tPHL)
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
17
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B0892
1992 Texas Instruments Incorporated
TI Authorized
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Hall-Mark (408) 432-4000; Marshall (408) 942-4600;
Wyle (408) 727-2500; Zeus (408) 629-4789.
COLORADO: Anthem (303) 790-4500; Arrow/Schweber
(303) 799-0258; Hall-Mark (303) 790-1662; Marshall (303)
451-8383; Wyle (303) 457-9953.
CONNECTICUT: Anthem (203) 575-1575; Arrow/Schweber
(203) 265-7741; Hall-Mark (203) 271-2844; Marshall (203)
265-3822.
FLORIDA: Fort Lauderdale: Arrow/Schweber (305)
429-8200; Halll-Mark (305) 971-9280; Marshall (305)
977-4880.
Orlando: Arrow/Schweber (407) 333-9300; Hall-Mark (407)
830-5855; Marshall (407) 767-8585; Zeus (407) 788-9100.
Tampa: Hall-Mark (813) 541-7440; Marshall (813)
573-1399.
GEORGIA: Arrow/Schweber (404) 497-1300; Hall-Mark
(404) 623-4400; Marshall (404) 923-5750.
ILLINOIS: Anthem (708) 884-0200; Arrow/Schweber (708)
250-0500; Hall-Mark (312) 860-3800; Marshall (708)
490-0155; Newark (312)784-5100.
INDIANA: Arrow/Schweber (317) 299-2071; Hall-Mark
(317) 872-8875; Marshall (317) 297-0483.
IOWA: Arrow/Schweber (319) 395-7230.
KANSAS: Arrow/Schweber (913) 541-9542; Hall-Mark
(913) 888-4747; Marshall (913) 492-3121.
MARYLAND: Anthem (301) 995-6640; Arrow/Schweber
(301) 596-7800; Hall-Mark (301) 988-9800; Marshall (301)
622-1118; Zeus (301) 997-1118.
MASSACHUSETTS: Anthem (508) 657-5170;
Arrow/Schweber (508) 658-0900; Hall-Mark (508)
667-0902; Marshall (508) 658-0810; Wyle (617) 272-7300;
Zeus (617) 246-8200.
MICHIGAN: Detroit: Arrow/Schweber (313) 462-2290;
Hall-Mark (313) 416-5800; Marshall (313) 525-5850;
Newark (313) 967-0600.
MINNESOTA: Anthem (612) 944-5454; Arrow/Schweber
(612) 941-5280; Hall-Mark (612) 881-2600; Marshall (612)
559-2211.
MISSOURI: Arrow/Schweber (314) 567-6888; Hall-Mark
(314) 291-5350; Marshall (314) 291-4650.
NEW JERSEY: Anthem (201) 227-7960; Arrow/Schweber
(201) 227-7880, (609) 596-8000; Hall-Mark (201) 515-3000,
(609) 235-1900; Marshall (201) 882-0320, (609) 234-9100.
NEW MEXICO: Alliance (505) 292-3360.
NEW YORK: Long Island: Anthem (516) 864-6600;
Arrow/Schweber (516) 231-1000; Hall-Mark (516)
737-0600; Marshall (516) 273-2424; Zeus (914) 937-7400.
Rochester: Arrow/Schweber (716) 427-0300; Hall-Mark
(716) 425-3300; Marshall (716) 235-7620.
Syracuse: Marshall (607) 785-2345.
NORTH CAROLINA: Arrow/Schweber (919) 876-3132;
Hall-Mark (919) 872-0712; Marshall (919) 878-9882.
OHIO: Cleveland: Arrow/Schweber (216) 248-3990;
Hall-Mark (216) 349-4632; Marshall (216) 248-1788.
Columbus: Hall-Mark (614) 888-3313.
Dayton: Arrow/Schweber (513) 435-5563; Marshall (513)
898-4480; Zeus (513) 293-6162.
OKLAHOMA: Arrow/Schweber (918) 252-7537; Hall-Mark
(918) 254-6110.
OREGON: Almac/Arrow (503) 629-8090; Anthem (503)
643-1114; Marshall (503) 644-5050; Wyle (503) 643-7900.
PENNSYLVANIA: Anthem (215) 443-5150;
Arrow/Schweber (215) 928-1800; GRS (215) 922-7037;
(609) 964-8560; Marshall (412) 788-0441.
TEXAS: Austin: Arrow/Schweber (512) 835-4180;
Hall-Mark (512) 258-8848; Marshall (512) 837-1991; Wyle
(512) 345-8853;
Dallas: Anthem (214) 238-7100; Arrow/Schweber (214)
380-6464; Hall-Mark (214) 553-4300; Marshall (214)
233-5200; Wyle (214) 235-9953; Zeus (214) 783-7010;
Houston: Arrow/Schweber (713) 530-4700; Hall-Mark
(713) 781-6100; Marshall (713) 467-1666; Wyle (713)
879-9953.
UTAH: Anthem (801) 973-8555; Arrow/Schweber (801)
973-6913; Marshall (801) 973-2288; Wyle (801) 974-9953.
WASHINGTON: Almac/Arrow (206) 643-9992, Anthem
(206) 483-1700; Marshall (206) 486-5747; Wyle (206)
881-1150.
WISCONSIN: Arrow/Schweber (414) 792-0150; Hall-Mark
(414) 797-7844; Marshall (414) 797-8400.
CANADA: Calgary: Future (403) 235-5325;
Edmonton: Future (403) 438-2858;
Montreal: Arrow/Schweber (514) 421-7411; Future (514)
694-7710; Marshall (514) 694-8142
Ottawa: Arrow/Schweber (613) 226-6903; Future (613)
820-8313.
Quebec: Future (418) 897-6666.
Toronto: Arrow/Schweber (416) 670-7769;
Future (416) 612-9200; Marshall (416) 458-8046.
Vancouver: Arrow/Schweber (604) 421-2333;
Future (604) 294-1166.
TI Die Processors
Chip Supply
Elmo Semiconductor
Minco Technology Labs
(407) 298-7100
(818) 768-7400
(512) 834-2022
Customer
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TOLL FREE:
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D0892
1992 Texas Instruments Incorporated
SRPS008A
PACKAGE OPTION ADDENDUM
www.ti.com
30-Mar-2005
PACKAGING INFORMATION
Orderable Device
Status (1)
Package
Type
Package
Drawing
Pins Package Eco Plan (2)
Qty
TIBPAL20L8-10CFN
OBSOLETE
PLCC
FN
28
TBD
Call TI
Call TI
TIBPAL20L8-10CNT
OBSOLETE
PDIP
NT
24
TBD
Call TI
Call TI
TIBPAL20R4-10CFN
OBSOLETE
PLCC
FN
28
TBD
Call TI
Call TI
TIBPAL20R4-10CNT
OBSOLETE
PDIP
NT
24
TBD
Call TI
Call TI
TIBPAL20R6-10CFN
ACTIVE
PLCC
FN
28
37
TBD
Call TI
Level-1-220-UNLIM
TIBPAL20R6-10CNT
ACTIVE
PDIP
NT
24
15
TBD
Call TI
Level-NC-NC-NC
TIBPAL20R8-10CFN
ACTIVE
PLCC
FN
28
37
TBD
Call TI
Level-1-220-UNLIM
TIBPAL20R8-10CNT
ACTIVE
PDIP
NT
24
15
TBD
Call TI
Level-NC-NC-NC
Lead/Ball Finish
MSL Peak Temp (3)
(1)
The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in
a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS) or Green (RoHS & no Sb/Br) - please check
http://www.ti.com/productcontent for the latest availability information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder
temperature.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is
provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the
accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take
reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on
incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited
information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI
to Customer on an annual basis.
Addendum-Page 1
MECHANICAL DATA
MPDI004 – OCTOBER 1994
NT (R-PDIP-T**)
PLASTIC DUAL-IN-LINE PACKAGE
24 PINS SHOWN
PINS **
A
24
28
A MAX
1.260
(32,04)
1.425
(36,20)
A MIN
1.230
(31,24)
1.385
(35,18)
B MAX
0.310
(7,87)
0.315
(8,00)
B MIN
0.290
(7,37)
0.295
(7,49)
DIM
24
13
0.280 (7,11)
0.250 (6,35)
1
12
0.070 (1,78) MAX
B
0.020 (0,51) MIN
0.200 (5,08) MAX
Seating Plane
0.125 (3,18) MIN
0.100 (2,54)
0.021 (0,53)
0.015 (0,38)
0°– 15°
0.010 (0,25) M
0.010 (0,25) NOM
4040050 / B 04/95
NOTES: A. All linear dimensions are in inches (millimeters).
B. This drawing is subject to change without notice.
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
MECHANICAL DATA
MPLC004A – OCTOBER 1994
FN (S-PQCC-J**)
PLASTIC J-LEADED CHIP CARRIER
20 PIN SHOWN
Seating Plane
0.004 (0,10)
0.180 (4,57) MAX
0.120 (3,05)
0.090 (2,29)
D
D1
0.020 (0,51) MIN
3
1
19
0.032 (0,81)
0.026 (0,66)
4
E
18
D2 / E2
E1
D2 / E2
8
14
0.021 (0,53)
0.013 (0,33)
0.007 (0,18) M
0.050 (1,27)
9
13
0.008 (0,20) NOM
D/E
D2 / E2
D1 / E1
NO. OF
PINS
**
MIN
MAX
MIN
MAX
MIN
MAX
20
0.385 (9,78)
0.395 (10,03)
0.350 (8,89)
0.356 (9,04)
0.141 (3,58)
0.169 (4,29)
28
0.485 (12,32)
0.495 (12,57)
0.450 (11,43)
0.456 (11,58)
0.191 (4,85)
0.219 (5,56)
44
0.685 (17,40)
0.695 (17,65)
0.650 (16,51)
0.656 (16,66)
0.291 (7,39)
0.319 (8,10)
52
0.785 (19,94)
0.795 (20,19)
0.750 (19,05)
0.756 (19,20)
0.341 (8,66)
0.369 (9,37)
68
0.985 (25,02)
0.995 (25,27)
0.950 (24,13)
0.958 (24,33)
0.441 (11,20)
0.469 (11,91)
84
1.185 (30,10)
1.195 (30,35)
1.150 (29,21)
1.158 (29,41)
0.541 (13,74)
0.569 (14,45)
4040005 / B 03/95
NOTES: A. All linear dimensions are in inches (millimeters).
B. This drawing is subject to change without notice.
C. Falls within JEDEC MS-018
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
1
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