MC74VHC393D 查看數據表（PDF） - ON Semiconductor

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产品描述 (功能)

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MC74VHC393D

Dual 4-Bit Binary Ripple Counter

ON Semiconductor 

MC74VHC393

CP

50%

tw

1/fmax

tPLH

tPHL

Qn

50% VCC

VCC

tw

RD

50%

VCC

GND

GND

tPHL

Qn

50% VCC

trec

VCC

CP

50%

GND

Figure 6. Switching Waveforms

DEVICE

UNDER

TEST

TEST

POINT

OUTPUT

CL*

*Includes all probe and jig capacitance

Figure 7. Test Circuit

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