ON MC14515BDWR2 4-bit transparent latch/4-to-16 line decoder Datasheet

MC14514B, MC14515B
4-Bit Transparent
Latch/4-to-16 Line Decoder
The MC14514B and MC14515B are two output options of a 4 to 16
line decoder with latched inputs. The MC14514B (output active high
option) presents a logical “1” at the selected output, whereas the
MC14515B (output active low option) presents a logical “0” at the
selected output. The latches are R–S type flip–flops which hold the
last input data presented prior to the strobe transition from “1” to “0”.
These high and low options of a 4–bit latch/4 to 16 line decoder are
constructed with N–channel and P–channel enhancement mode
devices in a single monolithic structure. The latches are R–S type
flip–flops and data is admitted upon a signal incident at the strobe
input, decoded, and presented at the output.
These complementary circuits find primary use in decoding
applications where low power dissipation and/or high noise immunity
is desired.
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MARKING
DIAGRAMS
24
PDIP–24
P SUFFIX
CASE 709
• Supply Voltage Range = 3.0 Vdc to 18 Vdc
• Capable of Driving Two Low–power TTL Loads or One Low–power
MC145XXBCP
AWLYYWW
1
Schottky TTL Load Over the Rated Temperature Range
24
MAXIMUM RATINGS (Voltages Referenced to VSS) (Note 1.)
Parameter
Symbol
VDD
Vin, Vout
DC Supply Voltage Range
Input or Output Voltage Range
(DC or Transient)
Value
Unit
– 0.5 to +18.0
V
– 0.5 to VDD + 0.5
V
± 10
mA
PD
Power Dissipation,
per Package (Note 2.)
500
mW
TA
Ambient Temperature Range
– 55 to +125
°C
Tstg
Storage Temperature Range
– 65 to +150
°C
TL
Lead Temperature
(8–Second Soldering)
260
°C
This device contains protection circuitry to guard against damage due to high
static voltages or electric fields. However, precautions must be taken to avoid
applications of any voltage higher than maximum rated voltages to this
high–impedance circuit. For proper operation, Vin and Vout should be constrained
(Vin or Vout)
VDD.
to the range VSS
Unused inputs must always be tied to an appropriate logic voltage level (e.g.,
either VSS or VDD). Unused outputs must be left open.
v
 Semiconductor Components Industries, LLC, 2000
March, 2000 – Rev. 3
XX
= Specific Device Code
A
= Assembly Location
WL or L = Wafer Lot
YY or Y = Year
WW or W = Work Week
ORDERING INFORMATION
Device
1. Maximum Ratings are those values beyond which damage to the device
may occur.
2. Temperature Derating:
Plastic “P and D/DW” Packages: – 7.0 mW/_C From 65_C To 125_C
v
145XXB
AWLYYWW
1
Input or Output Current
(DC or Transient) per Pin
Iin, Iout
SOIC–24
DW SUFFIX
CASE 751E
1
Package
Shipping
MC14514BCP
PDIP–24
15/Rail
MC14514BDW
SOIC–24
30/Rail
MC14514BDWR2
SOIC–24
1000/Tape & Reel
MC14515BCP
PDIP–24
15/Rail
MC14515BDW
SOIC–24
30/Rail
MC14515BDWR2
SOIC–24
1000/Tape & Reel
Publication Order Number:
MC14514B/D
MC14514B, MC14515B
PIN ASSIGNMENT
ST
1
24
VDD
D1
2
23
INH
D2
3
22
D4
S7
4
21
D3
S6
5
20
S10
S5
6
19
S11
S4
7
18
S8
S3
8
17
S9
S1
9
16
S14
S2
10
15
S15
S0
11
14
S12
VSS
12
13
S13
DECODE TRUTH TABLE (Strobe = 1)*
Selected Output
Data Inputs
Inhibit
D
C
B
A
MC14514 = Logic “1”
MC14515 = Logic “0”
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
0
1
S0
S1
S2
S3
0
0
0
0
0
0
0
0
1
1
1
1
0
0
1
1
0
1
0
1
S4
S5
S6
S7
0
0
0
0
1
1
1
1
0
0
0
0
0
0
1
1
0
1
0
1
S8
S9
S10
S11
0
0
0
0
1
1
1
1
1
1
1
1
0
0
1
1
0
1
0
1
S12
S13
S14
S15
1
X
X
X
X
All Outputs = 0, MC14514
All Outputs = 1, MC14515
X = Don’t Care
*Strobe = 0, Data is latched
BLOCK DIAGRAM
VDD = PIN 24
VSS = PIN 12
DATA 1
DATA 2
DATA 3
DATA 4
STROBE
INHIBIT
2
A
3
B
TRANSPARENT
21
C
LATCH
22
4 TO 16
DECODER
D
1
23
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2
S0
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
11
9
10
8
7
6
5
4
18
17
20
19
14
13
16
15
ABCD
ABCD
ABCD
ABCD
ABCD
ABCD
ABCD
ABCD
ABCD
ABCD
ABCD
ABCD
ABCD
ABCD
ABCD
ABCD
MC14514B, MC14515B
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ELECTRICAL CHARACTERISTICS (Voltages Referenced to VSS)
Characteristic
Output Voltage
Vin = VDD or 0
Symbol
– 55_C
25_C
125_C
VDD
Vdc
Min
Max
Min
Typ (3.)
Max
Min
Max
Unit
“0” Level
VOL
5.0
10
15
—
—
—
0.05
0.05
0.05
—
—
—
0
0
0
0.05
0.05
0.05
—
—
—
0.05
0.05
0.05
Vdc
“1” Level
VOH
5.0
10
15
4.95
9.95
14.95
—
—
—
4.95
9.95
14.95
5.0
10
15
—
—
—
4.95
9.95
14.95
—
—
—
Vdc
Input Voltage
“0” Level
(VO = 4.5 or 0.5 Vdc)
(VO = 9.0 or 1.0 Vdc)
(VO = 13.5 or 1.5 Vdc)
VIL
5.0
10
15
—
—
—
1.5
3.0
4.0
—
—
—
2.25
4.50
6.75
1.5
3.0
4.0
—
—
—
1.5
3.0
4.0
“1” Level
VIH
5.0
10
15
3.5
7.0
11
—
—
—
3.5
7.0
11
2.75
5.50
8.25
—
—
—
3.5
7.0
11
—
—
—
5.0
5.0
10
15
– 1.2
– 0.25
– 0.62
– 1.8
—
—
—
—
– 1.0
– 0.2
– 0.5
– 1.5
– 1.7
– 0.36
– 0.9
– 3.5
—
—
—
—
– 0.7
– 0.14
– 0.35
– 1.1
—
—
—
—
IOL
5.0
10
15
0.64
1.6
4.2
—
—
—
0.51
1.3
3.4
0.88
2.25
8.8
—
—
—
0.36
0.9
2.4
—
—
—
mAdc
Input Current
Iin
15
—
± 0.1
—
± 0.00001
± 0.1
—
± 1.0
µAdc
Input Capacitance
(Vin = 0)
Cin
—
—
—
—
5.0
7.5
—
—
pF
Quiescent Current
(Per Package)
IDD
5.0
10
15
—
—
—
5.0
10
20
—
—
—
0.005
0.010
0.015
5.0
10
20
—
—
—
150
300
600
µAdc
Total Supply Current (4.) (5.)
(Dynamic plus Quiescent,
Per Package)
(CL = 50 pF on all outputs, all
buffers switching)
ITL
5.0
10
15
Vin = 0 or VDD
(VO = 0.5 or 4.5 Vdc)
(VO = 1.0 or 9.0 Vdc)
(VO = 1.5 or 13.5 Vdc)
Output Drive Current
(VOH = 2.5 Vdc)
(VOH = 4.6 Vdc)
(VOH = 9.5 Vdc)
(VOH = 13.5 Vdc)
(VOL = 0.4 Vdc)
(VOL = 0.5 Vdc)
(VOL = 1.5 Vdc)
Vdc
Vdc
IOH
Source
Sink
mAdc
IT = (1.35 µA/kHz) f + IDD
IT = (2.70 µA/kHz) f + IDD
IT = (4.05 µA/kHz) f + IDD
3. Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.
4. The formulas given are for the typical characteristics only at 25_C.
5. To calculate total supply current at loads other than 50 pF:
IT(CL) = IT(50 pF) + (CL – 50) Vfk
where: IT is in µA (per package), CL in pF, V = (VDD – VSS) in volts, f in kHz is input frequency, and k = 0.002.
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3
µAdc
MC14514B, MC14515B
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
SWITCHING CHARACTERISTICS (6.) (CL = 50 pF, TA = 25_C)
All Types
Characteristic
Symbol
Output Rise Time
tTLH = (3.0 ns/pF) CL + 30 ns
tTLH = (1.5 ns/pF) CL + 15 ns
tTLH = (1.1 ns/pF) CL + 10 ns
tTLH
Output Fall Time
tTHL = (1.5 ns/pF) CL + 25 ns
tTHL = (0.75 ns/pF) CL + 12.5 ns
tTHL = (0.55 ns/pF) CL + 9.5 ns
tTHL
Propagation Delay Time; Data, Strobe to S
tPLH, tPHL = (1.7 ns/pF) CL + 465 ns
tPLH, tPHL = (0.86 ns/pF) CL + 192 ns
tPLH, tPHL = (0.5 ns/pF) CL + 125 ns
tPLH,
tPHL
Inhibit Propagation Delay Times
tPLH, tPHL = (1.7 ns/pF) CL + 315 ns
tPLH, tPHL = (0.66 ns/pF) CL + 117 ns
tPLH, tPHL = (0.5 ns/pF) CL + 75 ns
tPLH,
tPHL
Setup Time
Data to Strobe
tsu
Hold Time
Strobe to Data
th
Strobe Pulse Width
VDD
Min
Typ (7.)
Max
5.0
10
15
—
—
—
180
90
65
360
180
130
5.0
10
15
—
—
—
100
50
40
200
100
80
5.0
10
15
—
—
—
550
225
150
1100
450
300
5.0
10
15
—
—
—
400
150
100
800
300
200
5.0
10
15
250
100
75
125
50
38
—
—
—
5.0
10
15
– 20
0
10
– 100
– 40
– 30
—
—
—
5.0
10
15
350
100
75
175
50
38
—
—
—
ns
ns
ns
ns
ns
tWH
VDD
VDS
STROBE
INHIBIT
For MC14514B
1. For P–channel: Inhibit = VSS
1. and D1–D4 constitute
1. binary code for “output
1. under test.”
2. For N–channel: Inhibit = VDD
D1
D2
D3
D4
For MC14515B
1. For P–channel: Inhibit = VDD
2. For N–channel: Inhibit = VSS
2. and D1–D4 constitute binary
2. code for “output under test.”
ID
EXTERNAL
POWER SUPPLY
VSS
Figure 1. Drain Characteristics Test Circuit
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4
ns
ns
6. The formulas given are for the typical characteristics only at 25_C.
7. Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.
S0
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
Unit
MC14514B, MC14515B
VDD
0.01 µF
CERAMIC
ID
24
500
µF
VDD
20 ns
20 ns
PULSE
GENERATOR
D1
S0
D2
D3
D4
STROBE
INHIBIT S15
12
CL
VDD
90%
Vin
10%
VSS
CL
VSS
Figure 2. Dynamic Power Dissipation Test Circuit and Waveform
VDD
STROBE
OUTPUT S0
OUTPUT S1
S0
S1
INHIBIT
PROGRAMMABLE
PULSE
GENERATOR
CL
tTLH
tTHL
20 ns
CL
INPUT
D1
10%
VSS
tPHL
VDD
tPLH
D2
90%
50%
10%
OUTPUT
D3
D4
VDD
90%
50%
OUTPUT S15
S15
VSS
CL
Figure 3. Switching Time Test Circuit and Waveforms
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5
tTLH
VSS
tTHL
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6
INHIBIT 23
STROBE 1
DATA 4 22
DATA 3 21
DATA 2 3
DATA 1 2
Q
Q
R
Q
R
S
Q
Q
R
S
Q
Q
R
S
Q
S
D
C
B
A
LOGIC DIAGRAM
IN MC14515B ONLY
AB CD
AB CD
AB CD
AB CD
AB CD
AB CD
AB CD
AB CD
AB CD
AB CD
AB CD
AB CD
AB CD
AB CD
AB CD
AB CD
15 S15
16 S14
13 S13
14 S12
19 S11
20 S10
17 S9
18 S8
4 S7
5 S6
6 S5
7 S4
8 S3
10 S2
9 S1
11 S0
MC14514B, MC14515B
MC14514B, MC14515B
COMPLEX DATA ROUTING
times faster then the shift frequency of the input registers,
the most significant bit (MSB) from each register could be
selected for transfer to the data bus. Therefore, all of the
most significant bits from all of the registers can be
transferred to the data bus before the next most significant
bit is presented for transfer by the input registers.
Information from the 3–state bus is redistributed by the
MC14514B four–bit latch/decoder. Using the four–bit
address, D1 thru D4, the information on the inhibit line can
be transferred to the addressed output line to the desired
output registers, A thru P. This distribution of data bits to the
output registers can be made in many complex patterns. For
example, all of the most significant bits from the input
registers can be routed into output register A, all of the next
most significant bits into register B, etc. In this way
horizontal, vertical, or other methods of data slicing can be
implemented.
Two MC14512 eight–channel data selectors are used here
with the MC14514B four–bit latch/decoder to effect a
complex data routing system. A total of 16 inputs from data
registers are selected and transferred via a 3–state data bus
to a data distributor for rearrangement and entry into 16
output registers. In this way sequential data can be re–routed
or intermixed according to patterns determined by data
select and distribution inputs.
Data is placed into the routing scheme via the eight inputs
on both MC14512 data selectors. One register is assigned to
each input. The signals on A0, A1, and A2 choose one of
eight inputs for transfer out to the 3–state data bus. A fourth
signal, labelled Dis, disables one of the MC14512 selectors,
assuring transfer of data from only one register.
In addition to a choice of input registers, 1 thru 16, the rate
of transfer of the sequential information can also be varied.
That is, if the MC14512 were addressed at a rate that is eight
DATA ROUTING SYSTEM
REGISTER 1
D0
D1
D2
D3
D4
D5
D6
DIS
3–STATE
DATA BUS
DATA
DISTRIBUTION
OUTPUT
REGISTERS
Q
D1 D2 D3 D4
S0
STROBE
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
INHIBIT
S14
S15
D7
A0 A1 A2
REGISTER A
MC14514B
REGISTER 8
DATA
TRANSFER
MC14512
INPUT
REGISTERS
DATA
SELECT
A0 A1 A2
D0
Q
D1
D2
D3
D4
D5
D6
D7
DIS
MC14512
REGISTER 9
REGISTER 16
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7
REGISTER P
MC14514B, MC14515B
PACKAGE DIMENSIONS
PDIP–24
P SUFFIX
PLASTIC DIP PACKAGE
CASE 709–02
ISSUE C
NOTES:
1. POSITIONAL TOLERANCE OF LEADS (D),
SHALL BE WITHIN 0.25 (0.010) AT MAXIMUM
MATERIAL CONDITION, IN RELATION TO
SEATING PLANE AND EACH OTHER.
2. DIMENSION L TO CENTER OF LEADS WHEN
FORMED PARALLEL.
3. DIMENSION B DOES NOT INCLUDE MOLD
FLASH.
4. CONTROLLING DIMENSION: INCH.
J
24
13
L
B
1
12
A
M
N
C
K
H
F
G
D
SEATING
PLANE
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8
DIM
A
B
C
D
F
G
H
J
K
L
M
N
INCHES
MIN
MAX
1.235
1.265
0.540
0.560
0.155
0.200
0.014
0.022
0.040
0.060
0.100 BSC
0.065
0.080
0.008
0.015
0.115
0.135
0.600 BSC
0_
15_
0.020
0.040
MILLIMETERS
MIN
MAX
31.37
32.13
13.72
14.22
3.94
5.08
0.36
0.56
1.02
1.52
2.54 BSC
1.65
2.03
0.20
0.38
2.92
3.43
15.24 BSC
0_
15_
0.51
1.02
MC14514B, MC14515B
PACKAGE DIMENSIONS
SOIC–24
DW SUFFIX
PLASTIC SOIC PACKAGE
CASE 751E–04
ISSUE E
–A–
24
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE
MOLD PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
PER SIDE.
5. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.13 (0.005) TOTAL IN
EXCESS OF D DIMENSION AT MAXIMUM
MATERIAL CONDITION.
13
–B–
12X
P
0.010 (0.25)
1
M
B
M
12
24X
D
J
0.010 (0.25)
M
T A
S
B
S
F
R
C
–T–
SEATING
PLANE
M
22X
G
K
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9
X 45 _
DIM
A
B
C
D
F
G
J
K
M
P
R
MILLIMETERS
MIN
MAX
15.25
15.54
7.40
7.60
2.35
2.65
0.35
0.49
0.41
0.90
1.27 BSC
0.23
0.32
0.13
0.29
0_
8_
10.05
10.55
0.25
0.75
INCHES
MIN
MAX
0.601
0.612
0.292
0.299
0.093
0.104
0.014
0.019
0.016
0.035
0.050 BSC
0.009
0.013
0.005
0.011
0_
8_
0.395
0.415
0.010
0.029
MC14514B, MC14515B
Notes
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10
MC14514B, MC14515B
Notes
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11
MC14514B, MC14515B
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MC14514B/D
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