TI SN74AS805BN

SN54ALS805A, SN54AS805B, SN74ALS805A, SN74AS805B
HEX 2-INPUT NOR DRIVERS
SDAS023C – DECEMBER 1982 – REVISED JANUARY 1995
SN54ALS805A, SN54AS805B . . . J PACKAGE
SN74ALS805A, SN74AS805B . . . DW OR N PACKAGE
(TOP VIEW)
High Capacitive-Drive Capability
′ALS805A Has Typical Delay Time of 4.2 ns
(CL = 50 pF) and Typical Power Dissipation
of 4.2 mW Per Gate
′AS805B Has Typical Delay Time of 2.6 ns
(CL = 50 pF) and Typical Power Dissipation
of 12 mW Per Gate
Package Options Include Plastic
Small-Outline (DW) Packages, Ceramic
Chip Carriers (FK), and Standard Plastic (N)
and Ceramic (J) 300-mil DIPs
•
•
1A
1B
1Y
2A
2B
2Y
3A
3B
3Y
GND
description
These devices contain six independent 2-input
NOR drivers. They perform the Boolean functions
Y = A + B or Y = A • B in positive logic.
OUTPUT
Y
H
X
L
X
H
L
L
L
H
logic symbol†
1A
1B
2A
2B
3A
3B
4A
4B
5A
5B
6A
6B
1
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10
11
VCC
6B
6A
6Y
5B
5A
5Y
4B
4A
4Y
4
3 2 1 20 19
18
5
17
6
16
7
15
8
14
9 10 11 12 13
6A
6Y
5B
5A
5Y
3Y
GND
4Y
4A
4B
B
2
1Y
1B
1A
VCC
2A
2B
2Y
3A
3B
FUNCTION TABLE
(each driver)
INPUTS
20
SN54ALS805A, SN54AS805B . . . FK PACKAGE
(TOP VIEW)
The SN54ALS805A and SN54AS805B are
characterized for operation over the full military
temperature range of – 55°C to 125°C. The
SN74ALS805A
and
SN74AS805B
are
characterized for operation from 0°C to 70°C.
A
1
6B
•
•
logic diagram (positive logic)
≥1
4
3
6
5
1A
1Y
2Y
1B
2A
2B
7
8
9
3Y
3B
12
13
11
4Y
14
5Y
5A
5B
18
19
4A
4B
15
16
3A
17
6Y
6A
6B
1
2
3
1Y
4
5
6
2Y
7
8
9
3Y
12
13
11
4Y
15
16
14
5Y
18
19
17
6Y
† This symbol is in accordance with ANSI/IEEE Std 91-1984 and
IEC Publication 617-12.
Copyright  1995, 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
SN54ALS805A, SN54AS805B, SN74ALS805A, SN74AS805B
HEX 2-INPUT NOR DRIVERS
SDAS023C – DECEMBER 1982 – REVISED JANUARY 1995
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)†
Supply voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
Input voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
Operating free-air temperature range, TA: SN54ALS805A . . . . . . . . . . . . . . . . . . . . . . . . . . . – 55°C to 125°C
SN74ALS805A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 65°C to 150°C
† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
recommended operating conditions
SN54ALS805A
SN74ALS805A
MIN
NOM
MAX
MIN
NOM
MAX
4.5
5
5.5
4.5
5
5.5
UNIT
VCC
VIH
Supply voltage
VIL
IOH
Low-level input voltage
0.7
0.8
V
High-level output current
– 12
– 15
mA
IOL
TA
Low-level output current
12
24
mA
70
°C
High-level input voltage
2
Operating free-air temperature
2
– 55
125
V
V
0
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
VIK
VOH
TEST CONDITIONS
VCC = 4.5 V,
VCC = 4.5 V to 5.5 V,
II = –18 mA
IOH = – 0.4 mA
VCC = 4.5 V
IOH = – 3 mA
IOH = – 12 mA
VOL
VCC = 4
4.5
5V
II
IIH
VCC = 5.5 V,
VCC = 5.5 V,
IIL
IO§
VCC = 5.5 V,
VCC = 5.5 V,
ICCH
ICCL
VCC = 5.5 V,
VCC = 5.5 V,
SN54ALS805A
TYP‡
MAX
MIN
–1.2
VCC – 2
2.4
–1.2
VCC – 2
2.4
3.2
3.2
UNIT
V
V
2
IOH = – 15 mA
IOL = 12 mA
2
0.25
IOL = 24 mA
VI = 7 V
VI = 2.7 V
VI = 0.4 V
VO = 2.25 V
VI = 0
SN74ALS805A
TYP‡
MAX
MIN
0.4
0.25
0.4
0.35
0.5
0.1
0.1
mA
20
20
µA
– 0.1
– 20
– 112
– 30
– 0.1
mA
– 112
mA
mA
2
4
2
4
8
14
8
14
mA
‡ All typical values are at VCC = 5 V, TA = 25°C.
§ The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.
2
VI = 4.5 V
V
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
SN54ALS805A, SN54AS805B, SN74ALS805A, SN74AS805B
HEX 2-INPUT NOR DRIVERS
SDAS023C – DECEMBER 1982 – REVISED JANUARY 1995
switching characteristics (see Figure 1)
PARAMETER
tPLH
tPHL
FROM
(INPUT)
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
RL = 500 Ω,
TA = MIN to MAX†
SN54ALS805A SN74ALS805A
TO
(OUTPUT)
A or B
MIN
MAX
MIN
MAX
1
12
2
7
1
9
2
8
Y
UNIT
ns
† For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)‡
Supply voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
Input voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
Operating free-air temperature range, TA: SN54AS805B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 55°C to 125°C
SN74AS805B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 65°C to 150°C
‡ Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
recommended operating conditions§
SN54AS805B
VCC
VIH
Supply voltage
VIL
IOH
Low-level input voltage
High-level input voltage
SN74AS805B
MIN
NOM
MAX
MIN
NOM
MAX
4.5
5
5.5
4.5
5
5.5
2
High-level output current
IOL
Low-level output current
TA
Operating free-air temperature
– 55
§ These high sink- or source-current devices are not recommended for use above 40 MHz.
POST OFFICE BOX 655303
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2
UNIT
V
V
0.8
0.8
V
– 40
– 48
mA
40
48
mA
70
°C
125
0
3
SN54ALS805A, SN54AS805B, SN74ALS805A, SN74AS805B
HEX 2-INPUT NOR DRIVERS
SDAS023C – DECEMBER 1982 – REVISED JANUARY 1995
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
VIK
VOH
SN54AS805B
TYP†
MAX
TEST CONDITIONS
VCC = 4.5 V,
VCC = 4.5 V to 5.5 V,
II = –18 mA
IOH = – 2 mA
VCC = 4.5 V
IOH = – 3 mA
IOH = – 40 mA
VOL
VCC = 4
4.5
5V
II
IIH
VCC = 5.5 V,
VCC = 5.5 V,
IIL
IO‡
VCC = 5.5 V,
VCC = 5.5 V,
ICCH
ICCL
VCC = 5.5 V,
VCC = 5.5 V,
MIN
SN74AS805B
TYP†
MAX
MIN
–1.2
VCC – 2
2.4
–1.2
VCC – 2
2.4
3.2
3.2
V
V
2
IOH = – 48 mA
IOL = 40 mA
UNIT
2
0.25
IOL = 48 mA
VI = 7 V
0.5
0.35
VI = 2.7 V
VI = 0.4 V
0.5
0.1
0.1
mA
20
20
µA
– 0.5
VO = 2.25 V
VI = 0
– 50
VI = 4.5 V
V
– 200
– 50
– 0.5
mA
– 200
mA
mA
6.5
10
6.5
10
20
32
20
32
mA
† All typical values are at VCC = 5 V, TA = 25°C.
‡ The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
RL = 500 Ω,
TA = MIN to MAX§
SN54AS805B
tPLH
tPHL
A or B
Y
SN74AS805B
MIN
MAX
MIN
MAX
1
4.8
1
4.3
1
4.8
1
4.3
§ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
4
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
UNIT
ns
SN54ALS805A, SN54AS805B, SN74ALS805A, SN74AS805B
HEX 2-INPUT NOR DRIVERS
SDAS023C – DECEMBER 1982 – REVISED JANUARY 1995
PARAMETER MEASUREMENT INFORMATION
SERIES 54ALS/74ALS AND 54AS/74AS DEVICES
7V
RL = R1 = R2
VCC
S1
RL
R1
Test
Point
From Output
Under Test
CL
(see Note A)
From Output
Under Test
RL
Test
Point
From Output
Under Test
CL
(see Note A)
CL
(see Note A)
LOAD CIRCUIT FOR
BI-STATE
TOTEM-POLE OUTPUTS
LOAD CIRCUIT
FOR OPEN-COLLECTOR OUTPUTS
3.5 V
Timing
Input
Test
Point
LOAD CIRCUIT
FOR 3-STATE OUTPUTS
3.5 V
High-Level
Pulse
1.3 V
R2
1.3 V
1.3 V
0.3 V
0.3 V
Data
Input
tw
th
tsu
3.5 V
1.3 V
3.5 V
Low-Level
Pulse
1.3 V
0.3 V
1.3 V
0.3 V
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
VOLTAGE WAVEFORMS
PULSE DURATIONS
3.5 V
Output
Control
(low-level
enabling)
1.3 V
1.3 V
0.3 V
tPZL
Waveform 1
S1 Closed
(see Note B)
tPLZ
[3.5 V
1.3 V
tPHZ
tPZH
Waveform 2
S1 Open
(see Note B)
1.3 V
VOL
0.3 V
VOH
1.3 V
0.3 V
[0 V
3.5 V
1.3 V
Input
1.3 V
0.3 V
tPHL
tPLH
VOH
In-Phase
Output
1.3 V
1.3 V
VOL
tPLH
tPHL
VOH
Out-of-Phase
Output
(see Note C)
1.3 V
1.3 V
VOL
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES, 3-STATE OUTPUTS
NOTES: A. CL includes probe and jig capacitance.
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. When measuring propagation delay items of 3-state outputs, switch S1 is open.
D. All input pulses have the following characteristics: PRR ≤ 1 MHz, tr = tf = 2 ns, duty cycle = 50%.
E. The outputs are measured one at a time with one transition per measurement.
Figure 1. Load Circuits and Voltage Waveforms
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
5
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