CY14B101LA データシートの表示（PDF） - Cypress Semiconductor
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CY14B101LA Datasheet PDF : 24 Pages
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PRELIMINARY
CY14B101LA, CY14B101NA
Truth Table For SRAM Operations
HSB must remain HIGH for SRAM operations.
Table 3. Truth Table for x8 Configuration
CE
WE
OE
Inputs/Outputs[2]
H
X
X High Z
L
H
L Data Out (DQ0–DQ7);
L
H
H High Z
L
L
X Data in (DQ0–DQ7);
Mode
Deselect/Power Down
Read
Output Disabled
Write
Table 4. Truth Table for x16 Configuration
CE
WE
OE BHE[3] BLE[3]
Inputs/Outputs[2]
H
X
X
X
X High-Z
L
X
X
H
H High-Z
L
H
L
L
L Data Out (DQ0–DQ15)
L
H
L
H
L Data Out (DQ0–DQ7);
DQ8–DQ15 in High-Z
L
H
L
L
H Data Out (DQ8–DQ15);
DQ0–DQ7 in High-Z
L
H
H
L
L High-Z
L
H
H
H
L High-Z
L
H
H
L
H High-Z
L
L
X
L
L Data In (DQ0–DQ15)
L
L
X
H
L Data In (DQ0–DQ7);
DQ8–DQ15 in High-Z
L
L
X
L
H Data In (DQ8–DQ15);
DQ0–DQ7 in High-Z
Mode
Deselect/Power Down
Output Disabled
Read
Read
Read
Output Disabled
Output Disabled
Output Disabled
Write
Write
Write
Power
Standby
Active
Active
Active
Power
Standby
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Document #: 001-42879 Rev. *C
Page 16 of 24
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