HMS12832M4 Datasheet, PDF (2/9 Pages) Hanbit Electronics Co.,Ltd – SRAM MODULE 512KByte (128K x 32-Bit)

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FUNCTIONAL BLOCK DIAGRAM
HMS12832M4
DQ0 - DQ31
A0 - A16
/CE1
/CE2
/CE3
/WE
/OE
/CE4
TRUTH TABLE
32
17
A0-16
DQ 0-7
/WE
/OE ^U1
/CE
A0-16
DQ 8-15
/WE
/OE ^U2
/CE
A0-16
DQ16-23
/WE
/OE ^U3
/CE
A0-16
DQ24-31
/WE
/OE ^U4
/CE
PRESENCE-DETECT
PD0 = Open
PD1 = Open
MODE
STANDBY
NOT SELECTED
READ
WRITE
/OE
/CE
/WE
DQ
X
H
X
HIGH-Z
H
L
H
HIGH-Z
L
L
H
Dout
X
L
L
Din
POWER
STANDBY
ACTIVE
ACTIVE
ACTIVE
2
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