NLV74HC393ADR2G 查看數據表（PDF） - ON Semiconductor

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NLV74HC393ADR2G

Dual 4-Stage Binary Ripple Counter

ON Semiconductor 

MC74HC393A

SWITCHING WAVEFORMS

CLOCK

Q

tf

tr

90%

50%

10%

tw

1/fmax

tPLH

tPHL

90%

50%

10%

tTLH

tTHL

Figure 1.

VCC

tw

RESET

50%

VCC

GND

GND

tPHL

Q

CLOCK

50%

trec

VCC

50%

GND

DEVICE

UNDER

TEST

TEST

POINT

OUTPUT

CL*

Figure 2.

*Includes all probe and jig capacitance

Figure 3. Test Circuit

EXPANDED LOGIC DIAGRAM

CLOCK 1, 13

CQ

DQ

3, 11 Q1

CQ

DQ

4, 10 Q2

CQ

DQ

CQ

DQ

5, 9 Q3

6, 8 Q4

RESET 2, 12

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