IS61C1024AL, IS64C1024AL
DATA RETENTION SWITCHING CHARACTERISTICS
Symbol
Parameter
V
DD
for Data Retention
Data Retention Current
Test Condition
See Data Retention Waveform
V
DD
= 2.0V,
CE1
≥
V
DD
– 0.2V
or CE2
≤
0.2V
V
IN
≥
V
DD
– 0.2V, or V
IN
≤
V
SS
+ 0.2V
See Data Retention Waveform
See Data Retention Waveform
Com.
Ind.
Auto.
Min.
2.0
—
—
—
0
200
—
—
Typ.
(1)
ISSI
Max.
5.5
400
450
500
—
—
Unit
V
µA
®
V
DR
I
DR
t
SDR
t
RDR
Note:
Data Retention Setup Time
Recovery Time
ns
ns
t
RC
1. Typical Values are measured at V
DD
= 5V, T
A
= 25
o
C and not 100% tested.
DATA RETENTION WAVEFORM (CE1 Controlled)
CE1
t
SDR
VDD
4.5V
Data Retention Mode
t
RDR
2.2V
V
DR
CE1
≥
VDD - 0.2V
CE1
GND
DATA RETENTION WAVEFORM (CE2 Controlled)
Data Retention Mode
VDD
4.5V
CE2
2.2V
V
DR
0.4V
GND
CE2
≤
0.2V
t
SDR
t
RDR
10
Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
Rev. B
01/24/05
ISSI [ INTEGRATED SILICON SOLUTION, INC ]
