HD74AC670 Datasheet, PDF (4/10 Pages) Hitachi Semiconductor – 4 x 4 Register File with 3-State Output

HD74AC670
Logic Diagram
WE
WA1
WA0
RA1
OE
RA0
D4
D3
D2
D1
GD
Q
GD
Q
GD
Q
GD
Q
GD
Q
GD
Q
GD
Q
GD
Q
GD
Q
GD
Q
GD
Q
GD
Q
Word
0
GD
Q
Word
G D1
Q
Word
G D2
Q
Word
3
GD
Q
O4
O3
DC Characteristics (unless otherwise specified)
Item
Symbol Max
Unit
Maximum quiescent supply current I_CC
80
µA
Maximum quiescent supply current I_CC
8.0
µA
O2
O1
Condition
V_IN = V_CC or ground, V_CC = 5.5 V,
Ta = Worst case
V_IN = V_CC or ground, V_CC = 5.5 V,
Ta = 25°C
4