HD74LS76A Datasheet, PDF(5/7 Page) Hitachi Semiconductor – Dual J-K Flip-Flop(with Preset and Clear)

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HD74LS76A Datasheet, PDF (5/7 Pages) Hitachi Semiconductor – Dual J-K Flip-Flop(with Preset and Clear)

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HD74LS76A

Waveforms 1

Clock

10%

tTLH

tTHL

90% 90%

tw(L)

1.3 V 1.3 V

10%

tw(H)

tPLH

1.3 V 1.3 V

tPHL

1.3 V

tPHL

1.3 V

tPLH

VOH

VOL

Note:

VOH

1.3 V

VOL

Clock input pulse; tTLH â¤ 15 ns, tTHL â¤ 6 ns, PRR = 1 MHz, duty cycle = 50% and for fmax.,

tTLH = tTHL â¤ 2.5 ns

Waveforms 2

Clear

Preset

tTHL

tTLH

90%

1.3V

10%

tw (CLR)

90%

1.3V

10%

tPHL

1.3V

tPLH

tTHL

tTLH

90%

1.3V

10%

tw (PR)

90% 3V

1.3V

10%

tPLH

1.3V

VOH

VOL

VOH

1.3V

tPHL

VOL

Note: Crear and preset input pulse; tTLH â¤ 15 ns, tTHL â¤ 6 ns, PRR = 1 MHz,

Rev.3.00, Jul.22.2005, page 5 of 6

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