MC74HC160A Просмотр технического описания (PDF) - ON Semiconductor

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MC74HC160A

Presettable Counters High−Performance Silicon−Gate CMOS

ON Semiconductor 

MC74HC160A

SWITCHING WAVEFORMS

tr

tf

CLOCK

90%

50%

VCC

10%

GND

ANY

90%

50%

OUTPUT 10%

tw

1/fmax

tPLH

tPHL

tTLH

tTHL

Figure 3.

tr

ENABLE T

RIPPLE

CARRY

OUT

90%

50%

10%

tPLH

90%

50%

10%

tTLH

tf

tPHL

Figure 5.

VCC

GND

tTHL

RESET

tPHL

ANY

OUTPUT

CLOCK

tw

50%

50%

trec

50%

Figure 4.

INPUTS

P0, P1,

P2, P3

LOAD

CLOCK

VALID

50%

tsu

th

50%

tsu

th

trec

50%

Figure 6.

VCC

GND

VCC

GND

VCC

GND

VCC

GND

VCC

GND

VALID

ENABLE T

VCC

OR

50%

ENABLE P

GND

tsu

th

CLOCK

VCC

50%

GND

Figure 7.

TEST CIRCUIT

TEST POINT

OUTPUT

DEVICE

UNDER

TEST

CL*

*Includes all probe and jig capacitance

Figure 8.

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