R1LP0408C-C Series
Operation Table
WE#
×
H
H
L
L
CS#
H
L
L
L
L
OE#
×
H
L
H
L
Mode
Not selected
Output disable
Read
Write
Write
V
CC
current
I
SB
, I
SB1
I
CC
I
CC
I
CC
I
CC
I/O0 to I/O7
High-Z
High-Z
Dout
Din
Din
Ref. cycle
Read cycle
Write cycle (1)
Write cycle (2)
Note: H: V
IH
, L: V
IL
,
×:
V
IH
or V
IL
Absolute Maximum Ratings
Parameter
Power supply voltage relative to V
SS
Terminal voltage on any pin relative to V
SS
Power dissipation
Operating temperature
Storage temperature range
Storage temperature range under bias
Symbol
V
CC
V
T
P
T
Topr
Tstg
Tbias
Value
−0.5
to +7.0
−0.5*
to V
CC
+ 0.3*
0.7
−20
to +70
−65
to +150
−20
to +85
1
2
Unit
V
V
W
°C
°C
°C
Notes: 1. V
T
min:
−3.0
V for pulse half-width
≤
30 ns.
2. Maximum voltage is +7.0 V.
DC Operating Conditions
(Ta =
−20
to +70°C)
Parameter
Supply voltage
Symbol
V
CC
V
SS
Input high voltage
Input low voltage
Note:
V
IH
V
IL
Min
4.5
0
2.2
−0.3*
1
Typ
5.0
0
Max
5.5
0
V
CC
+ 0.3
0.8
Unit
V
V
V
V
1. V
IL
min:
−3.0
V for pulse half-width
≤
30 ns.
Rev.2.00, May.26.2004, page 5 of 12