is62vv25616ll Integrated Silicon Solution, Inc., is62vv25616ll Datasheet - Page 9

• Manufacturer Part Number: is62vv25616ll
• Description: 256k X 16 Low Voltage, 1.8v Ultra Low Power Cmos Static Ram
• Manufacturer: Integrated Silicon Solution, Inc.

DATA RETENTION SWITCHING CHARACTERISTICS
IS62VV25616LL
Integrated Silicon Solution, Inc. — www.issi.com —
Rev. B
08/07/02
DATA RETENTION WAVEFORM
WRITE CYCLE NO. 4
Symbol
V
I
t
t
DR
SDR
RDR
DR
ADDRESS
2.3V
2.0V
GND
UB, LB
D
Parameter
Vdd for Data Retention
Data Retention Current
Data Retention Setup Time
Recovery Time
V
V
CE
OUT
WE
D
OE
CE
DD
DR
IN
LOW
DATA UNDEFINED
(UB/LB Controlled)
t
HZWE
t
SDR
See Data Retention Waveform
Test Condition
See Data Retention Waveform
V
See Data Retention Waveform
ADDRESS 1
DD
t
= 1.0V, CE V
(CE Controlled)
SD
t
t
SA
WORD 1
WC
t
PBW
HIGH-Z
DATA
VALID
IN
DD
Data Retention Mode
1-800-379-4774
– 0.2V
CE
V
t
t
DD
HD
HA
t
Ð 0.2V
SA
ADDRESS 2
t
t
SD
WC
WORD 2
t
PBW
Min.
1.0
t
—
RC
0
DATA
VALID
IN
Max.
2.25
10
—
—
t
RDR
t
LZWE
t
HD
t
Unit
HA
µA
ns
ns
V
UB_CSWR4.eps
ISSI
®
9