Datasheet > MM74HC221ACW

MM74HC221ACW

更新时间： 2024-09-23 14:53:47

品牌	Logo	应用领域
罗彻斯特 - ROCHESTER		时钟逻辑集成电路
页数	文件大小	规格书
12页	132K
描述
Monostable Multivibrator, HC/UH Series, 2-Func, CMOS, WAFER-16

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技术参数
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MM74HC221ACW 技术参数

生命周期：	Contact Manufacturer	包装说明：	DIE,
Reach Compliance Code：	unknown	HTS代码：	8542.39.00.01
风险等级：	5.63	Is Samacsys：	N
系列：	HC/UH	JESD-30 代码：	X-XUUC-N16
逻辑集成电路类型：	MONOSTABLE MULTIVIBRATOR	数据/时钟输入次数：	2
功能数量：	2	端子数量：	16
最高工作温度：	85 °C	最低工作温度：	-40 °C
输出极性：	COMPLEMENTARY	封装主体材料：	UNSPECIFIED
封装代码：	DIE	封装形状：	UNSPECIFIED
封装形式：	UNCASED CHIP	传播延迟（tpd）：	229 ns
最大供电电压 (Vsup)：	6 V	最小供电电压 (Vsup)：	2 V
标称供电电压 (Vsup)：	5 V	表面贴装：	YES
技术：	CMOS	温度等级：	INDUSTRIAL
端子形式：	NO LEAD	端子位置：	UPPER
Base Number Matches：	1

MM74HC221ACW 数据手册

September 1983

Revised February 1999

MM74HC221A

Dual Non-Retriggerable Monostable Multivibrator

is in seconds, R is in ohms, and C is in farads. All inputs

are protected from damage due to static discharge by

diodes to V_CCand ground.

General Description

The MM74HC221A high speed monostable multivibrators

(one shots) utilize advanced silicon-gate CMOS technol-

ogy. They feature speeds comparable to low power Schot-

tky TTL circuitry while retaining the low power and high

noise immunity characteristic of CMOS circuits.

Features

■ Typical propagation delay: 40 ns

■ Wide power supply range: 2V–6V

■ Low quiescent current: 80 µA maximum (74HC Series)

■ Low input current: 1 µA maximum

■ Fanout of 10 LS-TTL loads

Each multivibrator features both a negative, A, and a posi-

tive, B, transition triggered input, either of which can be

used as an inhibit input. Also included is a clear input that

when taken low resets the one shot. The MM74HC221A

can be triggered on the positive transition of the clear while

A is held LOW and B is held HIGH.

■ Simple pulse width formula T = RC

■ Wide pulse range: 400 ns to ∞ (typ)

■ Part to part variation: ±5% (typ)

The MM74HC221A is a non-retriggerable, and therefore

cannot be retriggered until the output pulse times out.

Pulse width stability over a wide range of temperature and

supply is achieved using linear CMOS techniques. The out-

put pulse equation is simply: PW = (R_EXT) (C_EXT); where

■ Schmitt Trigger A & B inputs enable infinite signal input

rise or fall times

Ordering Code:

Order Number

MM74HC221AM

MM74HC221ASJ

MM74HC221AMTC

MM74HC221AN

Package Number

M16A

Package Description

16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow

16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide

16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

16-Lead Plastic Dual-In-Line Package (PDIP), MS-001, 0.300” Wide

M16D

MTC16

N16E

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Connection Diagrams

Pin Assignments for DIP, SOIC, SOP and TSSOP

Timing Component

Top View

Note: Pin 6 and Pin 14 must be hard-wired to GND.

DS005325.prf

www.fairchildsemi.com

12 3 4 5 6 7...12

中文翻译

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与MM74HC221ACW相关器件

型号	品牌	获取价格	描述	数据表
MM74HC221AJ	NSC	获取价格	IC HC/UH SERIES, DUAL MONOSTABLE MULTIVIBRATOR, CDIP16, CERAMIC, DIP-16, Prescaler/Multivi
MM74HC221AJN	TI	获取价格	HC/UH SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDIP16, PLASTIC, DIP-16
MM74HC221AM	FAIRCHILD	获取价格	Dual Non-Retriggerable Monostable Multivibrator
MM74HC221AM/A+	TI	获取价格	IC,MONOSTABLE MULTIVIBRATOR,HC-CMOS,SOP,16PIN,PLASTIC
MM74HC221AMTC	FAIRCHILD	获取价格	Dual Non-Retriggerable Monostable Multivibrator
MM74HC221AMTCX	FAIRCHILD	获取价格	Monostable Multivibrator, HC/UH Series, 2-Func, CMOS, PDSO16, 4.40 MM, MO-153, TSSOP-16
MM74HC221AMTCX	ROCHESTER	获取价格	Monostable Multivibrator, HC/UH Series, 2-Func, CMOS, PDSO16, 4.40 MM, MO-153, TSSOP-16
MM74HC221AMX	TI	获取价格	HC/UH SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16, PLASTIC, SO-16
MM74HC221AMX	FAIRCHILD	获取价格	Monostable Multivibrator, HC/UH Series, 2-Func, CMOS, PDSO16, 0.150 INCH, MS-012, SOIC-16
MM74HC221AMX	ROCHESTER	获取价格	Monostable Multivibrator, HC/UH Series, 2-Func, CMOS, PDSO16, 0.150 INCH, MS-012, SOIC-16

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