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MM74C221 PDF预览

MM74C221

更新时间: 2024-01-22 10:12:39
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 振荡器
页数 文件大小 规格书
6页 67K
描述
Dual Monostable Multivibrator

MM74C221 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:DIP, DIP16,.3Reach Compliance Code:unknown
风险等级:5.92JESD-30 代码:R-PDIP-T16
JESD-609代码:e0逻辑集成电路类型:MONOSTABLE MULTIVIBRATOR
端子数量:16最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP16,.3
封装形状:RECTANGULAR封装形式:IN-LINE
认证状态:Not Qualified子类别:Prescaler/Multivibrators
表面贴装:NO技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUALBase Number Matches:1

MM74C221 数据手册

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November 1987  
Revised January 1999  
MM74C221  
Dual Monostable Multivibrator  
Pulse stability will be limited by the accuracy of external  
timing components. The pulse width is approximately  
defined by the relationship tW(OUT) CEXT REXT. For fur-  
General Description  
The MM74C221 dual monostable multivibrator is a mono-  
lithic complementary MOS integrated circuit. Each multivi-  
brator features a negative-transition-triggered input and a  
positive-transition-triggered input, either of which can be  
used as an inhibit input, and a clear input.  
ther information and applications, see AN-138.  
Features  
Wide supply voltage range: 4.5V to 15V  
Once fired, the output pulses are independent of further  
transitions of the A and B inputs and are a function of the  
external timing components CEXT and REXT. The pulse  
Guaranteed noise margin: 1.0V  
High noise immunity: 0.45 VCC (typ.)  
width is stable over a wide range of temperature and VCC  
.
Low power TTL compatibility: fan out of 2 driving 74L  
Ordering Code:  
Order Number Package Number  
Package Description  
74MMC221N  
N16E  
16-Lead Plastic Dual-in-Line Package (PDIP), JEDEC MS-001, 0.300” Wide  
Connection Diagrams  
Truth Table  
Inputs  
Outputs  
Timing Component  
Clear  
A
X
H
X
L
B
X
X
L
Q
Q
H
H
H
L
X
X
H
H
L
L
L
H
H = HIGH Level  
L = LOW Level  
= One HIGH level pulse  
= One LOW level pulse  
Pin Assignments for DIP  
↑ = Transition from LOW-to-HIGH  
↓ = Transition from HIGH-to-LOW  
X= Irrelevant  
Top View  
© 1999 Fairchild Semiconductor Corporation  
DS005904.prf  
www.fairchildsemi.com  

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