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| HD74LS174 Datasheet, PDF (6/9 Pages) Hitachi Semiconductor – Hex/Quadruple D-type Flip-Flips(with clear) | |||
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HD74LS174 / HD74LS175
Waveform
CLR
CK
tTHL
1.3V
tw (CLR)
tTLH
1.3V
tTLH
tTHL tsu (CLR) tw (CK)
tw (CK)
90% 90%
10% 10%
1.3V 1.3V
tsu
th
1.3V 1.3V
tsu
th
D
1.3V
1.3V
1.3V
tPHL
tPLH
tPHL
Q
1.3V
1.3V
1.3V
tPLH
tPHL
tPLH
Q
(HD74LS175 only)
1.3V
1.3V
1.3V
Note: Input pulse; tTLH ⤠15 ns, tTHL ⤠6 ns, PRR = 1 MHz, and: for Æmax, tTLH = tTHL ⤠2.5 ns.
3V
0V
3V
0V
3V
0V
VOH
VOL
VOH
VOL
Rev.3.00, Jul.15.2005, page 6 of 8
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