CD74AC20_14 Datasheet, PDF (1/13 Pages) Texas Instruments – Dual 4-input positive-nand gates

CD74AC20
DUAL 4ĆINPUT POSITIVEĆNAND GATES
D AC Types Feature 1.5-V to 5.5-V Operation
and Balanced Noise Immunity at 30% of the
Supply
D Speed of Bipolar F, AS, and S, With
Significantly Reduced Power Consumption
D Balanced Propagation Delays
D ±24-mA Output Drive Current
– Fanout to 15 F Devices
D SCR-Latchup-Resistant CMOS Process and
Circuit Design
D Exceeds 2-kV ESD Protection Per
MIL-STD-883, Method 3015
SCHS229B – SEPTEMBER 1998 – REVISED NOVEMBER 2002
E OR M PACKAGE
(TOP VIEW)
1A ₁
1B 2
NC 3
1C 4
1D 5
1Y 6
GND 7
14 ^V_CC
13 2D
12 2C
11 NC
10 2B
9 2A
8 2Y
description/ordering information
The AC device contains two independent 4-input NAND gates. This device 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
PDIP – E
Tube
CD74AC20E
CD74AC20E
–55°C to 125°C
SOIC – M
Tube
CD74AC20M
Tape and reel CD74AC20M96
AC20M
† _{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
L
L
X
X
X
H
X
L
X
X
H
X
X
L
X
H
X
X
X
L
H
logic diagram (positive logic)
1A
1B
1C
1D
1
2
4
5
6 _1Y
2A
2B
2C
2D
9
10
12
13
8 _2Y
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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.
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Copyright  2002, Texas Instruments Incorporated
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