Datasheet > HD74HC221RP

HD74HC221RP

更新时间： 2024-11-28 20:01:43

品牌	Logo	应用领域
日立 - HITACHI		时钟光电二极管逻辑集成电路
页数	文件大小	规格书
8页	51K
描述
HC/UH SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16, FP-16DN

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HD74HC221RP 数据手册

HD74HC221

Dual Monostable Multivibrators (with Schmitt Trigger Input)

Description

Each multivibrator features both a negative, A, and a positive, B, transition triggered input, either of which

can be used as an inhibit. Also included is a clear inpt that when taken low resets the one shot. The

HD74HC221 can be triggered on the positive transition of teh clear while A is held low and B is held high.

This device is a non-retriggerable, and therefore cannot be retriggered until the output pulse times out.

The output pulse equation is simply:

t_W= 0.7·(Rext)·(Cext)

Features

•

High Speed Operation

High Output Current: Fanout of 10 LSTTL Loads

Wide Operating Voltage: V_CC= 2 to 6 V

Low Input Current: 1 µA max

Low Quiescent Supply Current

Function Table

Inputs

Outputs

Clear

12 3 4 5 6 7 8

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型号	品牌	获取价格	描述	数据表
HD74HC221RP-EL	HITACHI	获取价格	HC/UH SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16, FP-16DN
HD74HC221T	HITACHI	获取价格	Monostable Multivibrator, HC/UH Series, 2-Func, CMOS, PDSO16, TSOP-16
HD74HC237	RENESAS	获取价格	3-to-8-line Decoder/Demultiplexer with Address Latch
HD74HC237	HITACHI	获取价格	3-to-8-line Decoder/Demultiplexer with Address Latch
HD74HC237FP	HITACHI	获取价格	Decoder/Driver, HC/UH Series, True Output, CMOS, PDSO16, FP-16DA
HD74HC237FP	RENESAS	获取价格	HC/UH SERIES, OTHER DECODER/DRIVER, TRUE OUTPUT, PDSO16, FP-16DA
HD74HC237FP-E	RENESAS	获取价格	HC/UH SERIES, OTHER DECODER/DRIVER, TRUE OUTPUT, PDSO16, FP-16DA
HD74HC237FPEL	RENESAS	获取价格	暂无描述
HD74HC237FP-EL	HITACHI	获取价格	暂无描述
HD74HC237P-E	RENESAS	获取价格	暂无描述