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Part Name
Description
HD74AC670 View Datasheet(PDF) - Hitachi -> Renesas Electronics
Part Name
Description
View to exact match
HD74AC670
4 × 4 Register File with 3-State Output
Hitachi -> Renesas Electronics
HD74AC670 Datasheet PDF : 10 Pages
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HD74AC670
AC Operating Requirements: HD74AC670
Item
Symbol
V
CC
(V)*
1
Ta = +25
°
C
C
L
= 50 pF
Typ
Setup time
Data to
W
E
t
su
3.3
3.0
5.0
2.0
Setup time
3.3
3.0
W
A1
or W
A0
to
W
E
5.0
2.0
Hold time
W
E
to Data
t
h
3.3
3.0
5.0
2.5
Hold time
3.3
3.0
W
E
to W
A1
or W
A2
5.0
2.5
Pulse width
W
E
t
w
3.3
3.5
5.0
2.5
Latch width
t
latch
3.3
0.5
W
E
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
C
L
= 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
C
IN
4.5
C
PD
60
Unit
pF
pF
Condition
V
CC
= 5.5 V
V
CC
= 5.0 V
6
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