MC74HC160ADR2G Просмотр технического описания (PDF) - ON Semiconductor

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производитель

MC74HC160ADR2G

Presettable Counters High−Performance Silicon−Gate CMOS

ON Semiconductor 

MC74HC160A

Sequence illustrated in waveforms:

1. Reset outputs to zero.

2. Preset to BCD seven.

3. Count to eight, nine, zero, one, two, and three.

4. Inhibit.

RESET (HC160A)

(ASYNCHRONOUS)

LOAD

P0

PRESET P1

DATA

INPUTS P2

P3

CLOCK

(HC160A)

CLOCK

(HC162A)

COUNT

ENABLES

ENABLE P

ENABLE T

Q0

Q1

OUTPUTS

Q2

Q3

RIPPLE

CARRY

OUT

7 89 0 1 2

3

COUNT

RESET LOAD

Figure 9. MC74HC160A Timing Diagram

INHIBIT

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