Pin Assignment
HT23C512
Pin Description
Pin Name
A0~A15
D0~D7
CE/CE/OE1/OE1
OE/OE/NC
VSS
VDD
I/O
Description
I
Address inputs
O
Data outputs
I
Chip enable/Output enable input
I
Output enable input
I
Negative power supply
I
Positive power supply
Operation Truth Table
Mode
Read
Deselect
Standby
CE/CE
H/L
H/L
L/H
Note: H=VIH, L=VIL, X=VIH or VIL
OE/OE
H/L
L/H
X
A0~A15
Valid
X
X
D0~D7
Data Out
High Z
High Z
2
24th Aug ’98