IS61C256AL
DATA RETENTION SWITCHING CHARACTERISTICS
Symbol Parameter
Test Condition
VDR VDDforDataRetention
See Data Retention Waveform
IDR
Data Retention Current
VDD = 2.0V, CE ≥ VDD – 0.2V
VIN ≥ VDD – 0.2V, or VIN ≤ VSS + 0.2V
tSDR DataRetentionSetupTime SeeDataRetentionWaveform
tRDR RecoveryTime
See Data Retention Waveform
Note:
1. Typical Values are measured at VDD = 5V, TA = 25oC and not 100% tested.
Com.
Ind.
DATA RETENTION WAVEFORM (CE Controlled)
VDD
4.5V
tSDR
Data Retention Mode
2.2V
VDR
CE
GND
CE ≥ VDD - 0.2V
ISSI ®
Min. Typ.(1)
2.0
— 50
—
0
tRC
Max. Unit
5.5 V
90 µA
100
— ns
— ns
tRDR
8
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
Rev. B
10/23/06