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CY62157DV30 MoBL®
Document #: 38-05392 Rev. *H
Page 9 of 12
Truth Table
CE1
CE2
WE
OE
BHE
BLE
Inputs/Outputs
Mode
Power
H
X
X
X
X
X
High Z
Deselect/Power-Down
Standby (ISB)
X
L
X
X
X
X
High Z
Deselect/Power-Down
Standby (ISB)
X
X
X
X
H
H
High Z
Deselect/Power-Down
Standby (ISB)
L
H
H
L
L
L
Data Out (I/O0–I/O15)
Read (Upper byte and Lower Byte)
Active (ICC)
L
H
H
L
H
L
Data Out (I/O0–I/O7);
High Z (I/O8–I/O15)
Read (Lower Byte only)
Active (ICC)
L
H
H
L
L
H
High Z (I/O0–I/O7);
Data Out (I/O8–I/O15)
Read (Upper Byte only)
Active (ICC)
L
H
H
H
L
H
High Z
Output Disabled
Active (ICC)
L
H
H
H
H
L
High Z
Output Disabled
Active (ICC)
L
H
H
H
L
L
High Z
Output Disabled
Active (ICC)
L
H
L
X
L
L
Data In (I/O0–I/O15)
Write (Upper byte and Lower Byte)
Active (ICC)
L
H
L
X
H
L
Data In (I/O0–I/O7);
High Z (I/O8–I/O15)
Write (Lower Byte only)
Active (ICC)
L
H
L
X
L
H
High Z (I/O0–I/O7);
Data In (I/O8–I/O15)
Write (Upper Byte only)
Active (ICC)
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