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HCC4538

更新时间： 2024-11-11 22:54:59

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
14页	303K
描述
DUAL MONOSTABLE MULTIVIBRATOR

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中文翻译

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数据手册

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HCC4538 数据手册

HCC4538B

HCF4538B

DUAL MONOSTABLE MULTIVIBRATOR

RETRIGGERABLE/RESETTABLE

CAPABILITY

TRIGGER AND RESET PROPAGATION DE-

LAYS INDEPENDENT OF R_X, C_X

TRIGGERING FROM LEADING OR TRAILING

EDGE

Q AND Q BUFFERED OUTPUTS AVAILABLE

SEPARATE RESETS

WIDE RANGE OF OUTPUT-PULSE WIDTHS

QUIESCENT CURRENT SPECIFIED TO 20V

FOR HCC DEVICE

5V, 10V, AND 15V PARAMETRIC RATINGS

SCHMITT TRIGGER INPUT ALLOWS UN-

LIMITER RISE AND FALL TIMES ON + TR AND

– TR INPUTS

INPUT CURRENT OF 100nA AT 18V AND 25°C

FOR HCC DEVICE

100% TESTED FOR QUIESCENT CURRENT

MEETS ALLREQUIREMENTS OF JEDECTEN-

TATIVESTANDARDN°13A, ”STANDARD SPE-

CIFICATIONS FOR DESCRIPTION OF ”B”

SERIES CMOS DEVICES”

(Plastic Package)

(Ceramic Package)

(Micro Package)

(Chip Carrier)

ORDER CODES :

HCC4538BF

HCF4538BEY

HCF4538BM1

HCF4538BC1

DESCRIPTION

The HCC4538B (extended temperature range) and

HCF4538B (intermediate temperature range) are

monolithic integrated circuit, available in 16-lead

dual in-line plastic or-ceramic package and plastic

micropackage. TheHCC/HCF4538B dualprecision

monostable multivibrator provides stable retrigger-

able/resettable one-shot operation for any fixed-

voltage timing application. An external resistor (R_X)

and an external capacitor (C_X) control the timing and

accuracy for the circuit. Adjustment of R_Xand C_X

provides a wide range of output pulse widths from

the Q and Q terminals. The time delay from trigger

input to output transition (trigger propagation delay)

and the time delay from reset input to output transi-

tion (reset propagation delay) are independent of R_X

and C_X. Precision control of output pulse widths is

achieved through linear CMOS techniques. Lead-

ing-edge-triggering (+ TR) and trailing-edge-trigger-

ing (– TR) inputs are provided for triggering from

either edge of an input pulse. An unused + TR input

should be tied to V_SS. An unused – TR input should

be tied to V_DD. A RESET (on low level) is provided

for immediate termination of the output pulse or to

PIN CONNECTIONS

September 1988

1/14

12 3 4 5 6 7...14

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