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HD74ALVC16834 Datasheet, PDF (8/15 Pages) Hitachi Semiconductor – 18-bit Universal Bus Driver with 3-state Outputs and Inverted Latch Enable | |||
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HD74ALVC16834
Switching Characteristics (Ta = â40 to 85°C) (cont)
Item
Setup time
Hold time
Pulse width
Symbol VCC (V) Min Typ Max Unit From (Input)
t su
2.5±0.2 2.1 â
â
ns Data before CLKâ
2.7
2.1 â
â
3.3±0.3 1.7 â
â
2.5±0.2 1.2 â
â
Data before LEâ
2.7
1.6 â
â
CLK âHâ
3.3±0.3 1.3 â
â
2.5±0.2 1.4 â
â
Data before LEâ
2.7
1.5 â
â
CLK âLâ
3.3±0.3 1.2 â
â
th
2.5±0.2 0.6 â
â
ns Data after CLKâ
2.7
0.6 â
â
3.3±0.3 0.7 â
â
2.5±0.2 0.8 â
â
Data after LEâ
2.7
0.8 â
â
CLK âHâ or âLâ
3.3±0.3 0.9 â
â
tw
2.5±0.2 3.3 â
â
ns LE âLâ
2.7
3.3 â
â
3.3±0.3 3.3 â
â
2.5±0.2 3.3 â
â
CLK âHâ or âLâ
2.7
3.3 â
â
3.3±0.3 3.3 â
â
Switching Characteristics (Ta = 0 to 85°C)
Item
Symbol VCC (V) Min
Typ
Propagation CL=0pF *1 tPLH, tPHL 3.3±0.165 0.9
â
delay time
CL=50pF
3.3±0.165 1.0
â
CL=0pF *1
3.3±0.165 1.5
â
CL=50pF
3.3±0.165 1.7
â
CL=50pF
t *1, 2
SSO
3.3±0.165 1.7
â
Output rise / CL=50pF tTLH, tTHL 3.3±0.165 1.0
â
fall time
*1
Notes: 1. This parameter is characterized but not tested.
2. tSSO : Simultaneous switching output time.
Max Unit FROM
(Input)
2.0 ns A
4.5
3.0
CLK
4.5
4.8
CLK, A
2.5 volts/
ns
TO
(Output)
Y
Y
Y
Y
8
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