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HD74LS273 データシートの表示(PDF) - Renesas Electronics

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HD74LS273 Datasheet PDF : 7 Pages
1 2 3 4 5 6 7
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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