74221 View Datasheet(PDF) - NXP Semiconductors.

Part Name

Description

Manufacturer

74221

Dual Monostable Multivibrators (with Schmitt Trigger Input)

NXP Semiconductors. 

Philips Semiconductors

Dual non-retriggerable monostable

multivibrator with reset

Product specification

74HC/HCT221

DC CHARACTERISTICS FOR 74HCT

For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.

Output capability: standard (except for nREXT/CEXT)

ICC category: MSI

Note to HCT types

The value of additional quiescent supply current (∆ICC) for a unit load of 1 is given in the family specifications.

To determine ∆ICC per input, multiply this value by the unit load coefficient shown in the table below.

INPUT

nB

nA

nRD

UNIT LOAD COEFFICIENT

0.30

0.50

0.50

December 1990

8

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