HD74AC670 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics
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HD74AC670 Datasheet PDF : 10 Pages
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HD74AC670
AC Operating Requirements: HD74AC670
Item
Symbol
VCC (V)*1
Ta = +25°C
CL = 50 pF
Typ
Setup time
Data to WE
t su
3.3
3.0
5.0
2.0
Setup time
3.3
3.0
WA1 or WA0 to WE
5.0
2.0
Hold time
WE to Data
th
3.3
3.0
5.0
2.5
Hold time
3.3
3.0
WE to WA1 or WA2
5.0
2.5
Pulse width
WE
tw
3.3
3.5
5.0
2.5
Latch width
t latch
3.3
0.5
WE to 1
5.0
0.5
Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V
Voltage Range 5.0 is 5.0 V ± 0.5 V
Ta = –40°C
to +85°C
CL = 50 pF
Guaranteed Minimum
5.5
6.0
4.0
4.5
5.5
6.0
4.5
4.5
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
5.5
7.0
4.5
5.0
10.0
10.0
10.0
10.0
Unit
ns
ns
ns
ns
ns
ns
Capacitance
Item
Input capacitance
Power dissipation capacitance
Symbol
Typ
CIN
4.5
CPD
60
Unit
pF
pF
Condition
VCC = 5.5 V
VCC = 5.0 V
6
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