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HD74HC4020 Datasheet, PDF (1/7 Pages) Hitachi Semiconductor – 14-stage Binary Counter
HD74HC4020
14-stage Binary Counter
REJ03D0645-0200
(Previous ADE-205-531)
Rev.2.00
Mar 30, 2006
Description
The HD74HC4020 is a 14 stage counter. This device is incremented on the falling edge (negative transition) of the
input clock, and all its output is reset to a low level by applying a logical high on its reset input.
Features
• High Speed Operation: tpd (Clock to Q1) = 14 ns typ (CL = 50 pF)
• High Output Current: Fanout of 10 LSTTL Loads
• Wide Operating Voltage: VCC = 2 to 6 V
• Low Input Current: 1 µA max
• Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)
• Ordering Information
Part Name
Package Type
Package Code
(Previous Code)
Package
Abbreviation
HD74HC4020P
DILP-16 pin
PRDP0016AE-B
P
(DP-16FV)
HD74HC4020FPEL SOP-16 pin (JEITA)
PRSP0016DH-B
(FP-16DAV)
FP
Note: Please consult the sales office for the above package availability.
Taping Abbreviation
(Quantity)
—
EL (2,000 pcs/reel)
Function Table
Clock
X
Note: 1. X: Don’t care
Reset
L
L
H
Outputs State
No change
Advance to next state
All output are low
Rev.2.00 Mar 30, 2006 page 1 of 6