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| HD74LS193 Datasheet, PDF (9/12 Pages) Hitachi Semiconductor – Synchronous Up/Down 4-bit Binary Counters(dual clock lines) | |||
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HD74LS193
Waveforms 3
tPLH, tPHL, (Load, ClearâQ)
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 11
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