HD74HC423A Ver la hoja de datos (PDF) - Renesas Electronics
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HD74HC423A Datasheet PDF : 9 Pages
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HD74HC423A
Dual Retriggerable Monostable Multivibrators
REJ03D0626-0200
(Previous ADE-205-505)
Rev.2.00
Mar 30, 2006
Description
This multivibrator features output-pulse-duration control by two methods. The basic pulse duration is programmed by
selection of external resistance and capacitance values. Once triggered, the basic pulse duration may be extended by
retriggering the gated low-level-active (A) or high-level-active (B) inputs, or be reduced by use of the overriding clear.
The B input is a Schmitt trigger enabling jitter-free triggering from input signals with slow transition rates.
Features
• High Speed Operation
• 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
• Ordering Information
Part Name
Package Type
Package Code
(Previous Code)
Package
Abbreviation
HD74HC423AP
DILP-16 pin
PRDP0016AE-B
P
(DP-16FV)
HD74HC423AFPEL SOP-16 pin (JEITA)
PRSP0016DH-B
FP
(FP-16DAV)
Note: Please consult the sales office for the above package availability.
Taping Abbreviation
(Quantity)
—
EL (2,000 pcs/reel)
Function Table
Inputs
Clear
A
B
L
X
X
X
H
X
X
X
L
H
L
H
H
Note: 1. H; High level, L; Low level, X; Irrelevant
Outputs
Q
Q
L
H
L
H
L
H
Rev.2.00 Mar 30, 2006 page 1 of 8
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