AT52BR1664-90CU Atmel, AT52BR1664-90CU Datasheet - Page 31

• Manufacturer Part Number: AT52BR1664-90CU
• Manufacturer: Atmel

Specifications of AT52BR1664-90CU

• Operating Supply Voltage (max): 3.3V
• Operating Temperature (max): 85C
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Compliant

Data Retention Electric Characteristic
T
Notes:
Data Retention Timing Diagram 1
Data Retention Timing Diagram 2
2212C–STKD–09/02
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
Parameter
V
Data Retention Current
Chip Deselect to Data
Retention Time
Operating Recovery Time
RC
CC
is read cycle time.
for Data Retention
SCS1
VCC
VDR
2.3V
VSS
SCS2
VDR
VCC
2.3V
VSS
IH
0.4V
Test Condition
SCS1 > V
SCS2 ≤ 0.2V or
V
V
V
SCS1 > V
SCS2 ≤ V
V
See Data Retention Timing Diagram
CC
SS
CC
SS
≤ V
≤ V
- 0.2V,
= 3.0V,
IN
IN
t
CDR
≤ V
t
≤ V
SS
CC
CC
CDR
+ 0.2V or
-0.2V,
- 0.2V or
A
CC
CC
= 25°C. Typical values are sampled and not 100% tested.
DATA RETENTION MODE
DATA RETENTION MODE
SCS1 > VCC - 0.2V
SCS2 < 0.2V
AT52BR1662(T)/1664(T)
t
Min
RC
1.2
0
(2)
t
R
t
R
0.4
Typ
(1)
Max
3.3
9.5
0.7
Unit
µA
µA
ns
ns
V
31