P4C1024L
DATA RETENTION
Symbol
Parameter
Test Conditions
Min
VDR
VCC for Data Retention
CE1 ≥ VCC -0.2V, CE2 ≤ 0.2V,
VIN ≥ VCC -0.2V or VIN ≤ 0.2V
2.0
I (1)
CCDR
Data Retention Current
VDR = 2.0V
VDR = 3.0V
tCDR
Chip Deselect to Data
Retention Time
See Retention Waveform
0
tR
Operating Recovery Time
5
1. CE1 ≥ VDR -0.2V, CE2 ≥ VDR -0.2V or CE2 ≤ 0.2V; or CE1 ≤ 0.2V, CE2 - 0.2V; VIN ≥ VDR -0.2V or VIN ≤ 0.2V
Max Unit
5.5
V
30 µA
50 µA
ns
ms
LOW VCC DATA RETENTION WAVEFORM 1 (CE1 CONTROLLED)
LOW VCC DATA RETENTION WAVEFORM 2 (CE2 CONTROLLED)
DATA RETENTION MODE
VCC
4.5V
tCDR
CE2
VIL 2.2V
VDR
CE2 ≤ -0.2V
4.5V
tR
VIL
Document # SRAM125 REV C
Page 7 of 10