HD74LS273RP Просмотр технического описания (PDF) - Renesas Electronics

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HD74LS273RP

Octal D-type Positive-edge-triggered Flip-Flops (with Clear)

Renesas Electronics 

HD74LS273

Waveforms 1

tTLH

tTHL

Data

10%

90%

1.3 V

90%

1.3 V

10%

tsu

th

tsu

th

tTLH

tTHL

Clock

Q

90% 90%

1.3 V 1.3 V

10%

tw

10%

tw

tPLH

1.3 V

1.3 V

tPHL

1.3 V

Notes: Input pulse; tTLH ≤ 15 ns, tTHL ≤ 6 ns,

Clock input; PRR = 1 MHz, duty cycle 50%

Data input; PRR = 500 kHz, duty cycle 50%

1.3 V

Waveforms 2

Clear

Clock

Q

tTHL

tTLH

90%

1.3V

10%

tw

tPHL

90%

1.3V

10%

tw

tTHL

90%

1.3V

10%

tw

1.3V

Note: Input pulse: tTLH ≤ 15 ns, tTHL ≤ 6 ns, PRR = 1 MHz.

tTLH

90%

1.3V

10%

tPLH

1.3V

3V

0V

3V

0V

VOH

VOL

3V

0V

3V

0V

VOH

VOL

Rev.3.00, Jul.15.2005, page 4 of 6

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