AM49DL640BH56IS SPANSION [SPANSION], AM49DL640BH56IS Datasheet - Page 60

• Manufacturer Part Number: AM49DL640BH56IS
• Description: 64 Megabit (8 M x 8-Bit/4 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory
• Manufacturer: SPANSION [SPANSION]

pSRAM DATA RETENTION
Notes:
1. CE1#s ≥ V
2. Typical values are not 100% tested.
pSRAM POWER ON AND DEEP POWER DOWN
Note: Data cannot be retained during deep power-down standby mode.
58
CE#1
CE#2
CE#1
CE#2
V
DD
Parameter
Symbol
t
t
t
V
I
t
CHC
t
DPD
CHP
DR
CH
CS
DR
CC
– 0.2 V, CE2s ≥ V
Parameter Description
V
Data Retention Current
CE2 Setup Time
CE2 Hold Time
CE2 Pulse Width
CE2 Hold from CE#1
CE2 Hold from Power On
V
DD min
CC
for Data Retention
t
CHP
CC
A D V A N C E
– 0.2 V (CE1#s controlled) or CE2s ≤ 0.2 V (CE2s controlled).
Figure 33. Deep Power-down Timing
Figure 34. Power-on Timing
t
CHC
Test Setup
CS1#s ≥ V
V
(Note 1)
Am49DL640BH
CC
= 3.0 V, CE1#s ≥ V
I N F O R M A T I O N
t
DPD
CC
– 0.2 V (Note 1)
t
CH
CC
– 0.2 V
Min
300
2.7
10
30
0
0
t
CH
(Note 2)
Typ
1.0
December 5, 2003
Max
3.3
70
Unit
µA
ms
ns
µs
ns
µs
V