MC74HC4538ADG 查看數據表（PDF） - ON Semiconductor

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MC74HC4538ADG

Dual Precision Monostable Multivibrator (Retriggerable, Resettable)

ON Semiconductor 

MC74HC4538A

tr

tf

90%

A

10%

B

tf

RESET

tTLH

Q

90%

10%

tTHL

Q

90%

10%

50%

50%

tw(L)

tPHL

50%

tf

90%

10%

trec

tPLH

50%

trr

50%

τ + trr

(RETRIGGERED PULSE)

Figure 9. Switching Waveform

VCC

GND

VCC

GND

VCC

GND

DEVICE

UNDER

TEST

TEST POINT

OUTPUT

CL*

*Includes all probe and jig capacitance

Figure 10. Test Circuit

http://onsemi.com

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