IS65C256AL
IS62C256AL
DATA RETENTION SWITCHING CHARACTERISTICS
Symbol Parameter
Test Condition
See Data Retention Waveform
V
DD
= 2.0V,
CE
≥
V
DD
– 0.2V
V
IN
≥
V
DD
– 0.2V, or V
IN
≤
V
SS
+ 0.2V
Com.
Ind.
Auto.
Min.
2.0
—
—
—
0
—
—
—
Typ.
ISSI
Max.
5.5
15
20
50
—
—
ns
ns
Unit
V
µA
®
V
DR
I
DR
V
DD
for Data Retention
Data Retention Current
t
SDR
t
RDR
Note:
Data Retention Setup Time See Data Retention Waveform
Recovery Time
See Data Retention Waveform
t
RC
1. Typical Values are measured at V
DD
= 5V, T
A
= 25
o
C and not 100% tested.
DATA RETENTION WAVEFORM (CE Controlled)
CE
t
SDR
VDD
4.5V
Data Retention Mode
t
RDR
2.2V
V
DR
CE
≥
VDD - 0.2V
CE
GND
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. A
03/17/06
9