Specifications

CY14B108K
CY14B108M
Document Number: 001-47378 Rev. *K Page 28 of 36
Truth Table For SRAM Operations
HSB should remain HIGH for SRAM Operations.
Table 5. Truth Table for × 8 Configuration
CE WE OE Inputs and Outputs
[57]
Mode Power
H X X High Z Deselect/Power-down Standby
L H L Data out (DQ
0
–DQ
7
); Read Active
L H H High Z Output disabled Active
L L X Data in (DQ
0
–DQ
7
); Write Active
Table 6. Truth Table for × 16 Configuration
CE WE OE BHE
[58]
BLE
[58]
Inputs and Outputs
[57]
Mode Power
H X X X X High Z Deselect/Power-down Standby
L X X H H High Z Output disabled Active
LHLLLData out (DQ
0
–DQ
15
) Read Active
L H L H L Data out (DQ
0
–DQ
7
);
DQ
8
–DQ
15
in High Z
Read Active
L H L L H Data out (DQ
8
–DQ
15
);
DQ
0
–DQ
7
in High Z
Read Active
L H H L L High Z Output disabled Active
L H H H L High Z Output disabled Active
L H H L H High Z Output disabled Active
LLXLLData in (DQ
0
–DQ
15
) Write Active
LLXHLData in (DQ
0
–DQ
7
);
DQ
8
–DQ
15
in High Z
Write Active
LLXLHData in (DQ
8
–DQ
15
);
DQ
0
–DQ
7
in High Z
Write Active
Notes
57. Data DQ
0
–DQ
7
for × 8 configuration and Data DQ
0
–DQ
15
for × 16 configuration.
58. BHE
and BLE are applicable for × 16 configuration only.