HM6264A Series
Truth Table
WE
×
×
H
H
L
L
Note:
CS1
H
×
L
L
L
L
CS2
×
L
H
H
H
H
OE
×
×
H
L
H
L
Output disabled
Read
Write
Write
Mode
Not selected
(power down)
I/O pin
High Z
High Z
High Z
Dout
Din
Din
HM6264A Series
V
CC
current
I
SB
, I
SB1
I
SB
, I
SB1
I
CC
I
CC
I
CC
I
CC
Read cycle
Write cycle 1
Write cycle 2
Note
×:
Don’t care.
Absolute Maximum Ratings
Parameter
Terminal voltage
*1
Power dissipation
Operating temperature
Storage temperature
Storage temperature (under bias)
Symbol
V
T
P
T
Topr
Tstg
Tbias
Rating
–0.5
*2
to +7.0
1.0
0 to +70
–55 to +125
–10 to +85
Unit
V
W
°C
°C
°C
Notes: 1. With respect to V
SS.
2. –3.0 V for pulse width
≤
50 ns
Recommended DC Operating Conditions
(Ta = 0 to +70°C)
Parameter
Supply voltage
Symbol
V
CC
V
SS
Input voltage
V
IH
V
IL
Note:
1. –3.0 V for pulse width
≤
50 ns
Min
4.5
0
2.2
–0.3
*1
Typ
5.0
0
—
—
Max
5.5
0
6.0
0.8
Unit
V
V
V
V
3
HITACHI [ HITACHI SEMICONDUCTOR ]
