lh5164a Sharp Microelectronics of the Americas, lh5164a Datasheet - Page 6

• Manufacturer Part Number: lh5164a
• Manufacturer: Sharp Microelectronics of the Americas

LH5164A/AH
6
NOTE: To control data hold at CE
NOTE:
CE
CE
1
2
CONTROL (NOTE)
CONTROL
during the data retention mode.
WE = 'HIGH.'
CE
V
I/O
CC
A
2
1
0
- I/O
- A
CE
CE
CE
V
OE
CC
12
V
1
V
1
2
8
4.5 V
2.2 V
CCDR
4.5 V
0.8 V
CCDR
0 V
0 V
1
, fix the input level of CE
t
CDR
Figure 4. Low Voltage Data Retention
t
CDR
Figure 5. Read Cycle
DATA RETENTION MODE
DATA RETENTION MODE
CE
2
CE
between V
1
t
AA
2
V
CCDR
t
t
0.2 V
LZ1
LZ2
t
t
t
t
ACE1
ACE2
OLZ
RC
CCDR
- 0.2 V
t
OE
to V
CCDR
- 0.2 V or 0 V to 0.2 V
DATA VALID
t
t
R
R
CMOS 64K (8K
t
OH
t
t
t
HZ1
HZ2
OHZ
8) Static RAM
5164A-3
5164A-6