HCF4538 查看數據表（PDF） - STMicroelectronics

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HCF4538

DUAL MONOSTABLE MULTIVIBRATOR

STMicroelectronics 

HCF4538B

TABLE 1 : Functional Terminal Connections

FUNCTION

VDD to Term. N°

VSS to Term. N°

Input Pulse to

Term. N°

Other Connections

Mono (1) Mono (2) Mono (1) Mono (2) Mono (1) Mono (2) Mono (1) Mono (2)

Leading Edge Trigger/

Retriggerable

3, 5

11, 13

4

12

Leading Edge Trigger/Non

Retriggerable

3

13

4

12

5, 7

11, 9

Trailing Edge Trigger/

Retriggerable

3

13

4

12

5

11

Trailing Edge Trigger/Non

Retriggerable

3

13

5

11

4, 6

12, 10

A Retriggerable one-shot multivibrator has an output pulse width which is extended on full time period (T) after application of the last trigger

pulse.

A Non-Retriggerable one-shot multivibrator has a time period (T) referenced from the application of the firs trigger pulse.

LOGIC DIAGRAM

3/10

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