Datasheet > M74HC4538TTR

M74HC4538TTR

更新时间： 2024-11-03 05:10:55

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		振荡器
页数	文件大小	规格书
18页	590K
描述
Dual retriggerable monostable multivibrator

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数据手册
替代型号

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M74HC4538TTR 数据手册

M74HC4538

Dual retriggerable monostable multivibrator

Features

■ High speed:

= 25 ns (typ.) at V = 6 V

■ Low power dissipation

standby state:

SO-16

= 4 μA (max.) at T = 25 °C

active state:

= 200 μA (max.) at V = 6 V

DIP-16

■ High noise immunity:

= V = 28 % V (min.)

NIH

NIL

■ Symmetrical output impedance:

|I | = I = 4 mA (min.)

TSSOP16

■ Balanced propagation delays:

_PLH≅ t

PHL

Description

■ Wide operating voltage range:

(opr) = 2 to 6 V

The M74HC4538 is a high speed CMOS monostable

multivibrator fabricated with silicon gate C²MOS

technology.

■ Wide output pulse width range:

= 120 ns ~ 60 s over at V = 4.5 V

WOUT

■ Pin and function compatible with

Each multivibrator features both a negative A, and a

positive B, edge 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

74 series 4538

monostable multivibrators are retriggerable. That is,

they may be triggered repeatedly while their outputs are

generating a pulse and the pulse will be extended.

Pulse width stability over a wide range of temperature

and supply is achieved using linear CMOS techniques.

The output pulse equation is simply: PW = 0.7 (R)(C)

where PW is in seconds, R in Omhs and C is in Farads.

All the inputs are equipped with protection circuits

against static discharge and transient excess voltage.

Table 1.

Device summary

Order code

Package

Packaging

M74HC4538B1R

DIP-16

SO-16

Tube

M74HC4538RM13TR

M74HC4538TTR

Tape and reel

TSSOP16

May 2008

Rev 2

1/18

www.st.com

12 3 4 5 6 7...18

中文翻译

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M74HC4538TTR 替代型号

型号	品牌	替代类型	描述	数据表
CD74HC4538PWRG4	TI	类似代替	High-Speed CMOS Logic Dual Retriggerable Precision Monostable Multivibrator

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