DM74ALS21A(2007) Просмотр технического описания (PDF) - Fairchild Semiconductor
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DM74ALS21A Datasheet PDF : 4 Pages
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DM74ALS21A
Dual 4-Input AND Gate
May 2007
tm
Features
■ Switching specifications at 50pF
■ Switching specifications guaranteed over full
temperature and VCC range
■ Advanced oxide-isolated, ion-implanted Schottky TTL
process
■ Functionally and pin for pin compatible with Schottky
and low power Schottky TTL counterpart
■ Improved AC performance over Schottky and low
power Schottky counterparts
General Description
This device contains two independent gates, each of
which performs the logic AND function.
Ordering Information
Package
Order Number Number
Package Description
DM74ALS21AM
M14A 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Function Table
Y = ABCD
Inputs
A
B
C
D
X
X
X
L
X
X
L
X
X
L
X
X
L
X
X
X
H
H
H
H
H = HIGH Logic Level
L = LOW Logic Level
X = Either LOW or HIGH Logic Level
Output
Y
L
L
L
L
H
©1986 Fairchild Semiconductor Corporation
DM74ALS21A Rev. 1.2
www.fairchildsemi.com
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