LH5164AHD-80L View Datasheet(PDF) - Sharp Electronics
Part Name
Description
MFG CO.
'LH5164AHD-80L' PDF : 12 Pages View PDF
LH5164A/AH
CMOS 64K (8K × 8) Static RAM
CE1 CONTROL (NOTE)
DATA RETENTION MODE
VCC
tCDR
tR
4.5 V
2.2 V
VCCDR
CE1
0V
CE1 ≥ VCCDR - 0.2 V
CE2 CONTROL
VCC
CE2
4.5 V
DATA RETENTION MODE
tCDR
tR
VCCDR
0.8 V
0V
CE2 0.2 V
NOTE: To control data hold at CE1, fix the input level of CE2 between VCCDR to VCCDR - 0.2 V or 0 V to 0.2 V
during the data retention mode.
Figure 4. Low Voltage Data Retention
5164A-6
A0 - A12
CE1
CE2
OE
I/O1 - I/O8
NOTE: WE = 'HIGH.'
6
tRC
tAA
tACE1
tLZ1
tACE2
tHZ1
tLZ2
tOE
tOLZ
tHZ2
tOHZ
DATA VALID
tOH
Figure 5. Read Cycle
5164A-3
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