lh5164ash Sharp Microelectronics of the Americas, lh5164ash Datasheet - Page 5

• Manufacturer Part Number: lh5164ash
• Manufacturer: Sharp Microelectronics of the Americas

CMOS 64K (8K
DATA RETENTION CHARACTERISTICS (T
NOTES:
1. CE
2. t
Data retention supply voltage
Data retention supply current
Chip disable to data retention
Recovery time
NOTE: To control data hold at CE
CE
CE
RC
2
1
2
CONTROL
= Read cycle time
CONTROL (NOTE)
should be
during the data retention.
PARAMETER
CE
V
CC
V
2
CCDR
V
8) Static RAM
CC
CE
V
CC
- 0.5 V
V
V
1
- 0.2 V or
2.5 V
2.5 V
0.2 V
CCDR
CCDR
0 V
0 V
1
, fix the input level of CE
0.2 V when CE
SYMBOL
V
I
t
CCDR
t
CCDR
CDR
CDR
t
R
Figure 4. Low Voltage Data Retention
t
CDR
CE
1
DATA RETENTION MODE
DATA RETENTION MODE
1
CE
V
V
CCDR
CE
2
CCDR
V
2
CE
between V
1
CE
CCDR
2
A
0.2 V or
- 0.2 V.
V
1
CE
= 3 V,
CCDR
CONDITIONS
0.2 V
= -40 to +85 C)
– 0.2 V
2
V
CCDR
CCDR
- 0.2 V
0.2 V or
to V
– 0.2 V
CCDR
T
T
A
A
- 0.2 V or 0 V to 0.2 V
= 25 C
= 40 C
t
t
R
R
MIN.
2.0
t
RC
0
MAX.
5.5
0.2
0.4
0.6
UNIT
ns
ns
V
LH5164ASH
A
A
A
5164ASH-6
NOTE
1
1
2
5