at52br1664at ATMEL Corporation, at52br1664at Datasheet - Page 32

• Manufacturer Part Number: at52br1664at
• Description: 16-megabit Flash 4-megabit Sram Stack Memory
• Manufacturer: ATMEL Corporation

Data Retention Electric Characteristic
T
Note:
Data Retention Timing Diagram 1
Data Retention Timing Diagram 2
32
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
AT52BR1664A(T)
RC
Parameter
V
Data Retention Current
Chip Deselect to Data
Retention Time
Operating Recovery Time
CC
is read cycle time.
for Data Retention
SCS1

VDR
VCC
2.7V
VSS
SCS2
VDR
VCC
2.7V
VSS
0.4V
IH
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
IN
IN
IN
IN
> V
< V
> V
< V
t
CC
SS
CC
SS
CDR
t
CDR
+ 0.2V
+ 0.2V
CC
SS
CC
SS
- 0.2V or
- 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
DATA RETENTION MODE
DATA RETENTION MODE
SCS1 > VCC - 0.2V
SCS2 < 0.2V
t
Min
RC
1.2
0
(2)
t
R
t
R
Typ
0.2
(1)
Max
3.3
6
3361C–STKD–1/04
Unit
µA
ns
ns
V