HD74LS21 Datasheet, PDF (1/5 Pages) Hitachi Semiconductor – Dual 4-input Positive AND Gates

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 V_CC
13 _2D
12 _2C
11 _NC
10 _2B
9 _2A
8 2Y
(Top view)
Circuit Schematic (1/2)
Inputs
A
B
C
D
V_CC
20k
10k
8k
75
4.5k
1.5k 3k
Output
Y
GND
Rev.2.00, Feb.18.2005, page 1 of 4