am42bds640ag Meet Spansion Inc., am42bds640ag Datasheet - Page 70

• Manufacturer Part Number: am42bds640ag
• Description: 64 Megabit 4 M ? 16-bit Cmos 1.8 Volt-only, Simultaneous Operation, Burst Mode Flash Memory And 16 Mbit 1 M ? 16-bit Static Ram Preliminary
• Manufacturer: Meet Spansion Inc.

SRAM DATA RETENTION
Notes:
1. CE1#s
2. Typical values are not 100% tested.
November 1, 2002
Parameter
Symbol
t
t
V
I
SDR
RDR
DR
DR
V
2.7 V
CE2s
V
0.4 V
GND
V
2.7V
2.2V
V
CE1#s
GND
DR
CC
CC
DR
V
CC
– 0.2 V, CE2s
Parameter Description
V
Data Retention Current
Data Retention Set-Up Time
Recovery Time
CC
for Data Retention
Figure 39. CE1#s Controlled Data Retention Mode
V
Figure 40. CE2s Controlled Data Retention Mode
CC
– 0.2 V (CE1#s controlled) or CE2s
t
SDR
t
SDR
P R E L I M I N A R Y
Test Setup
CS1#s
V
(Note 1)
See data retention waveforms
Am42BDS640AG
CC
= 1.2 V, CE1#s
Data Retention Mode
Data Retention Mode
V
CC
CE1#s V
CE2s < 0.2 V
– 0.2 V (Note 1)
V
CC
0.2 V (CE2s controlled).
CC
- 0.2 V
– 0.2 V
Min
1.0
t
RC
0
t
RDR
t
RDR
(Note 2)
Typ
1.0
Max
2.2
8
Unit
µA
ns
ns
V
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