LH5P1632 View Datasheet(PDF) - Sharp Electronics
Part Name
Description
MFG CO.
'LH5P1632' PDF : 10 Pages View PDF
CMOS 512K (32K × 16) Pseudo-Static RAM
LH5P1632
TRUTH TABLE
INPUT
CE UOE LOE/RFSH
H
D
D
L
L
L
L
H
L
L
L
H
L
H
H
L
D
D
L
D
H
L
H
D
L
D
L
L
L
D
H
D
NOTES:
D = Don’t care.
High-Z = High impedance.
UWR
D
H
H
H
H
L
L
H
L
H
D
LWR
D
H
H
H
H
L
H
L
H
L
D
OUTPUT
I/O9 – I/O16
I/O1 – I/O8
High-Z
High-Z
DOUT
High-Z
DOUT
High-Z
DOUT
DOUT
High-Z
High-Z
DIN
DIN
High-Z
DIN
DOUT
High-Z
DIN
High-Z
DIN
DOUT
DIN
High-Z
MODE
UPPER BYTE
LOWER BYTE
Standby
Read
Read
CE only refresh
Read
Read
CE only refresh
CE only refresh CE only refresh
Write
Write
Write
CE only refresh
CE only refresh
Write
Write
Read
Read
Write
Auto Refresh
NOTE
Inhibit
Inhibit
CE
VIH
VIL
A0 - A14
VIH
VIL
LOE/RFSH VIH
UOE
VIL
LWR VIH
UWR VIL
I/O1
-
I/O16
VOH
VOL
tRC
tP
tCE
tP
tAS
tAH
ADDRESS
INPUT
tOEH
tOEL
tOES
tRCS
tRCH
tCEA
tOEA
tOLZ
tCLZ
tCHZ
tOHZ
VALID-DATA
OUTPUT
Figure 4. Read Cycle
5P1632-3
5
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