at52br3224 ATMEL Corporation, at52br3224 Datasheet - Page 35

• Manufacturer Part Number: at52br3224
• Description: Single Plane Flash Combined With Sram
• Manufacturer: ATMEL Corporation

Data Retention Electric Characteristic
T
Notes:
Data Retention Timing Diagram 1
Data Retention Timing Diagram 2
1682A–10/01
A
V
I
t
t
Symbol
CCDR
CDR
R
= -40 ° C to 85 ° C
DR
1. Typical values are under the condition of T
2. t
RC
Parameter
V
Data Retention Current
Chip Deselect to Data
Retention Time
Operating Recovery Time
CC
is read cycle time.
for Data Retention
SCS2
VCC
VDR
2.7V
VSS
0.4V
Test Condition
SCS1 > V
SCS2 < V
SUB, SLB > V
V
V
Vcc=1.5V,
SCS1 > V
SCS2 < V
SUB, SLB > V
V
V
See Data Retention Timing Diagram
SCS1
IN
IN
IN
IN
VCC
VDR
2.7V
VSS
> V
< V
> V
< V
IH
CC
SS
CC
SS
t
CDR
+ 0.2V
+ 0.2V
CC
SS
- 0.2V or
CC
SS
- 0.2V or
A
+ 0.2V or
+ 0.2V or
- 0.2V or
- 0.2V or
= 25°C. Typical values are sampled and not 100% tested.
CC
CC
- 0.2V
- 0.2V
t
CDR
DATA RETENTION MODE
SCS2 < 0.2V
DATA RETENTION MODE
SCS1 > VCC - 0.2V
AT52BR3224(T)/3228(T)
SL
LL
t
R
Min
1.2
t
RC
0
t
R
Typ
0.1
0.1
Max
3.3
10
2
Unit
µA
µA
ns
ns
V
35