HD74LS192P 데이터 시트보기 (PDF) - Renesas Electronics

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HD74LS192P

Synchronous Up / Down Decade Counter (dual clock lines)

Renesas Electronics 

HD74LS192

Waveforms 3

tPLH, tPHL, (Load, Clear→Q)

tTLH

tTHL

3V

Clear

90% 90%

1.3V 1.3V

10%

10%

0V

tw (CLR)

tTLH

tTHL

≥ 20ns

3V

Data Inputs

(A to D)

90%

90%

1.3V

1.3V

10%

10%

0V

tsu

th

tsu

Load

tTHL

3V

90%

90%

1.3V

1.3V

1.3V 1.3V

10% 10%

0V

tPHL

tPLH

tTLH

tPHL

VOH

Q

1.3V

1.3V

1.3V

VOL

Note: Input pulse: tTLH ≤ 7 ns, tTHL ≤ 7 ns

Rev.2.00, Feb.18.2005, page 9 of 10

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