HD74LS21 View Datasheet(PDF) - Renesas Electronics
Part Name
Description
Manufacturer
HD74LS21 Datasheet PDF : 5 Pages
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HD74LS21
Dual 4-input Positive AND Gates
Features
• Ordering Information
Part Name
Package Type
Package Code
(Previous Code)
Package
Abbreviation
HD74LS21P
DILP-14 pin
PRDP0014AB-B
(DP-14AV)
P
HD74LS21FPEL SOP-14 pin (JEITA)
PRSP0014DF-B
FP
(FP-14DAV)
Note: Please consult the sales office for the above package availability.
Pin Arrangement
REJ03D0401–0200
Rev.2.00
Feb.18.2005
Taping Abbreviation
(Quantity)
—
EL (2,000 pcs/reel)
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
(Top view)
Circuit Schematic (1/2)
Inputs
A
B
C
D
VCC
20k
10k
8k
75
4.5k
1.5k 3k
Output
Y
GND
Rev.2.00, Feb.18.2005, page 1 of 4
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