HD74LVC244A
Switching Characteristics
Ta = –40 to 85°C
Item
Propagation delay time
Symbol VCC (V)
t PLH
2.7
t PHL
3.3±0.3
5.0±0.5
Output enable time
t ZH
2.7
t ZL
3.3±0.3
5.0±0.5
Output disable time
t ZH
2.7
t LZ
3.3±0.3
5.0±0.5
Between outut pins skew *1 tOSLH
t OSHL
2.7
3.3±0.3
5.0±0.5
Min Typ Max Unit From (Input) To (Output)
— — 7.5 ns A
Y
1.5 — 6.5 ns
— — 5.0 ns
— — 9.0 ns G
Y
1.5 — 8.0 ns
— — 6.5 ns
— — 8.0 ns G
Y
1.5 — 7.0 ns
— — 6.0 ns
— — — ns
— — 1.0 ns
— — 1.0 ns
Input capacitance
CIN
2.7
— 3.0 — pF
Output capacitance
CO
2.7
— 15.0 — pF
Note: 1. This parameter is characterized but not tested.
tosLH = | tPLHm - tPLHn|, tosHL = | tPHLm - tPHLn|
5