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DM74ALS21A Datasheet(PDF) 1 Page - Fairchild Semiconductor

Part No. DM74ALS21A
Description  Dual 4-Input AND Gate
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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DM74ALS21A Datasheet(HTML) 1 Page - Fairchild Semiconductor

   
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© 2000 Fairchild Semiconductor Corporation
DS006185
www.fairchildsemi.com
September 1986
Revised February 2000
DM74ALS21A
Dual 4-Input AND Gate
General Description
This device contains two independent gates, each of which
performs the logic AND function.
Features
s Switching specifications at 50 pF
s Switching specifications guaranteed over full tempera-
ture and VCC range
s Advanced oxide-isolated, ion-implanted Schottky TTL
process
s Functionally and pin for pin compatible with Schottky
and low power Schottky TTL counterpart
s Improved AC performance over Schottky and low power
Schottky counterparts
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Function Table
Y
= ABCD
H
= HIGH Logic Level
L
= LOW Logic Level
X
= Either LOW or HIGH Logic Level
Order Number
Package Number
Package Description
DM74ALS21AM
M14A
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
DM74ALS21AN
N14A
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Inputs
Output
AB
CD
Y
XXX
L
L
XX
L
X
L
XL
X
X
L
L
XXX
L
HH
HHH


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