74HC221 Dual non-retriggerable monostable multivibrator

Philips

Description

INTEGRATED CIRCUITS DATA SHEET For a complete data sheet, please also download: * The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications The 74HC/HCT221 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL).

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Datasheet Specifications

Part number: 74HC221
Manufacturer: Philips
File Size: 250.63 KB
Datasheet: 74HC221_PhilipsSemiconductors.pdf
Description: Dual non-retriggerable monostable multivibrator

Features

* Pulse width variance is typically less than ± 5%
* Pin-out identical to “123”
* Overriding reset terminates output pulse
* nB inputs have hysteresis for improved noise immunity
* Output capability: standard (except for nREXT/CEXT)
* ICC category: MSI

Applications

* pulse stability will only be limited by the accuracy of the external timing components. The output pulse width is defined by the following relationship: tW = CEXTREXTIn2 tW = 0.7CEXTREXT Pin assignments for the “221” are identical to those of the “123” so that the “221” can be substituted for those

74HC221 Distributors

📁 Related Datasheet

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74HC221 Dual non-retriggerable monostable multivibrator Philips

Philips 74HC221-like datasheet