SN54ALS1002A, SN74ALS1002A
QUADRUPLE 2-INPUT POSITIVE-NOR BUFFERS
SDAS238 – D2661, DECEMBER 1983 – REVISED MAY 1986
• Quad Versions of ’ALS805A
• Buffer Version of ’ALS02
• Package Options Include Plastic Small
Outline Packages, Ceramic Chip Carriers,
and Standard Plastic and Ceramic 300-mil
DIPs
• Dependable Texas Instruments Quality and
Reliability
description
These devices contain four independent 2-input
NOR buffers. They perform the Boolean functions
Y = A + B
The SN54ALS1002A is characterized for operation over the full military temperature range of
–55°C to 125°C. The SN74ALS1002A is
characterized for operation from 0°C to 70°C.
or Y = A•B in positive logic.
FUNCTION TABLE
(each gate)
INPUTS
A B
H X L
X HL
LLH
OUTPUT
Y
SN54ALS1002A ...J PACKAGE
SN74ALS1002A ...D OR N PACKAGE
(TOP VIEW)
1Y
1
1A
2
1B
3
2Y
4
2A
5
2B
6
GND
SN54ALS1002A . . . FK PACKAGE
7
(TOP VIEW)
14
13
12
11
10
V
CC
4Y
4B
4A
3Y
3B
9
3A
8
CC
GND
NC
V
3A
18
17
16
15
14
4B
NC
4A
NC
3Y
1A1YNC3B4Y
1B
NC
2Y
NC
2A
3 2 1 20 19
4
5
6
7
8
910111213
2B
NC – No internal connection
2
3
5
6
8
9
11
12
†
≥1
10
13
1
1Y
4
2Y
3Y
4Y
logic symbol
1A
1B
2A
2B
3A
3B
4A
4B
†
This symbol is in accordance with ANSI/IEEE Std 91-1984 and
IEC Publication 617-12.
Pin numbers shown are for D, J, and N packages.
logic diagram (positive logic)
1A
1B
2A
2B
3A
3B
4A
4B
1Y
2Y
3Y
4Y
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
POST OFFICE BOX 1443
• HOUSTON, TEXAS 77001
Copyright 1986, Texas Instruments Incorporated
5BASIC
1
SN54ALS1002A, SN74ALS1002A
UNIT
PARAMETER
TEST CONDITIONS
UNIT
V
V
PARAMETER
UNIT
QUADRUPLE 2-INPUT POSITIVE-NOR BUFFERS
SDAS238 – D2661, DECEMBER 1983 – REVISED MAY 1986
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC 7 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage 7 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range: SN54ALS1002A –55°C to 125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74ALS1002A 0°C to 70°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range –65°C to 150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
recommended operating conditions
SN54ALS1002A SN74ALS1002A
MIN NOM MAX MIN NOM MAX
V
CC
V
IH
V
IL
I
OH
I
OL
T
A
electrical characteristics over recommended operating-free-air temperature range (unless
otherwise noted)
†
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.
Supply voltage 4.5 5 5.5 4.5 5 5.5 V
High-level input voltage 2 2 V
Low-level input voltage 0.7 0.8 V
High-level output current –1 –2.6 mA
Low-level output current 12 24 mA
Operating free-air temperature –55 125 0 70 °C
SN54ALS1002A SN74ALS1002A
MIN TYP†MAX MIN TYP†MAX
V
IK
V
OH
OL
I
I
I
IH
I
IL
I
O
I
CCH
I
CCL
†
VCC = 4.5 V, II = –18 mA –1.5 –1.5 V
VCC = 4.5 V to 5.5 V, IOH = –0.4 mA VCC–2 VCC–2
VCC = 4.5 V, IOH = –1 mA 2.4 3.3 V
VCC = 4.5 V, IOH = –2.6 mA 2.4 3.2
VCC = 4.5 V, IOL = 12 mA 0.25 0.4 0.25 0.4
VCC = 4.5 V, IOL = 24 mA 0.35 0.5
VCC = 5.5 V, VI = 7 V 0.1 0.1 mA
VCC = 5.5 V, VI = 2.7 V 20 20 µA
VCC = 5.5 V, VI = 0.4 V –0.1 –0.1 mA
VCC = 5.5 V, VO = 2.25 V –30 –112 –30 –112 mA
VCC = 5.5 V, VI = 0 V 1.7 2.8 1.7 2.8 mA
VCC = 5.5 V, VI = 4.5 V 5.6 9 5.6 9 mA
switching characteristics (see Note 1)
FROM TO RL = 500 Ω,
(INPUT) (OUTPUT) TA = 25°C TA = MIN to MAX
t
PLH
t
PHL
NOTE 1: Load circuit and voltage waveforms are shown in Section 1.
2
A or B Y 4 2 10 2 8 ns
A or B Y 4 2 10 2 7 ns
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443
VCC = 5 V, VCC = 4.5 V to 5.5 V,
CL = 50 pF, CL = 50 pF,
RL = 500 Ω,
’ALS1002A SN54ALS1002A SN74ALS1002A
TYP MIN MAX MIN MAX
• HOUSTON, TEXAS 77001
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