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HD74ALVCH16721 Datasheet, PDF (7/12 Pages) Hitachi Semiconductor – 3.3-V 20-bit Flip Flops with 3-state Outputs | |||
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HD74ALVCH16721
Switching Characteristics
(Ta = â40 to 85°C)
Item
Symbol VCC (V) Min
Typ
Max Unit FROM TO
(Input) (Output)
Maximum clock frequency fmax
2.5±0.2 150
â
â
MHz
2.7
150
â
â
3.3±0.3 150
â
â
Propagation delay time tPLH
2.5±0.2 1.0
â
5.6
ns CLK
Q
tPHL
2.7
1.0
â
5.1
3.3±0.3 1.0
â
4.3
Output enable time
tZH
2.5±0.2 1.0
â
6.1
ns OE
Q
tZL
2.7
1.0
â
5.8
3.3±0.3 1.0
â
4.8
Output disable time
tHZ
2.5±0.2 1.0
â
5.5
ns OE
Q
tLZ
2.7
1.0
â
4.7
3.3±0.3 1.0
â
4.4
Setup time
tsu
2.5±0.2 4.0
â
â
ns Data before CLKâ
2.7
3.6
â
â
3.3±0.3 3.1
â
â
2.5±0.2 3.4
â
â
CLKEN before CLKâ
2.7
3.1
â
â
3.3±0.3 2.7
â
â
Hold time
th
2.5±0.2 0
â
â
ns Data after CLKâ
2.7
0
â
â
3.3±0.3 0
â
â
2.5±0.2 0
â
â
CLKEN after CLKâ
2.7
0
â
â
3.3±0.3 0
â
â
Pulse width
tw
2.5±0.2 3.3
â
â
ns
2.7
3.3
â
â
3.3±0.3 3.3
â
â
Input capacitance
Output capacitance
CIN
3.3
â
CO
3.3
â
3.5
â
pF
7.0
â
pF
Rev.4.00, Oct.02.2003, page 7 of 11
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