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SN74HC21-Q1 Datasheet, PDF (1/8 Pages) Texas Instruments – DUAL 4-INPUT POSITIVE-AND GATE
SN74HC21ĆQ1
DUAL 4ĆINPUT POSITIVEĆAND GATE
D Qualification in Accordance With
AEC-Q100†
D Qualified for Automotive Applications
D Customer-Specific Configuration Control
Can Be Supported Along With
Major-Change Approval
D Wide Operating Voltage Range of 2 V to 6 V
D Outputs Can Drive up to Ten LSTTL Loads
D Low Power Consumption, 20-µA Max ICC
D Typical tpd = 11 ns
D ±4-mA Output Drive at 5 V
D Low Input Current of 1 µA Max
† Contact factory for details. Q100 qualification data available on
request.
SCLS597 − NOVEMBER 2004
D OR PW PACKAGE
(TOP VIEW)
1A 1
1B 2
NC 3
1C 4
1D 5
1Y 6
GND 7
14 VCC
13 2D
12 2C
11 NC
10 2B
9 2A
8 2Y
description/ordering information
This device contains two independent 4-input AND gates. It performs the Boolean function
Y + A • B • C • D or Y + A ) B ) C ) D in positive logic.
ORDERING INFORMATION
TA
PACKAGE‡
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
SOIC − D
−40°C to 125°C
TSSOP − PW
Reel of 2500
Reel of 2000
SN74HC21QDRQ1
SN74HC21QPWRQ1
HC21Q
HC21Q
‡ Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
FUNCTION TABLE
(each gate)
INPUTS
OUTPUT
A
B
C
D
Y
H
H
H
H
H
L
X
X
X
L
X
L
X
X
L
X
X
L
X
L
X
X
X
L
L
logic diagram (positive logic)
1A
1B
1C
1D
1
2
4
5
6 1Y
2A
2B
2C
2D
9
10
12
13
8 2Y
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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
Copyright  2004, Texas Instruments Incorporated
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