CY62157CV30/33
Document #: 38-05014 Rev. *F Page 10 of 13
Write Cycle No. 4 (BHE/BLE Controlled, OE LOW)[19]
Truth Table
CE1CE2WE 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/OO–I/O15) Read Active (ICC)
L H H L H L Data Out (I/OO–I/O7);
I/O8–I/O15 in High Z Read Active (ICC)
L H H L L H Data Out (I/O8–I/O15);
I/O0–I/O7 in High Z Read Active (ICC)
L H H H L L High Z Output Disabled Active (ICC)
L H H H H L High Z Output Disabled Active (ICC)
L H H H L H High Z Output Disabled Active (ICC)
L H L X L L Data In (I/OO–I/O15) Write Active (ICC)
L H L X H L Data In (I/OO–I/O7);
I/O8–I/O15 in High Z Write Active (ICC)
L H L X L H Data In (I/O8–I/O15);
I/O0–I/O7 in High Z Write Active (ICC)
Switching Waveforms (continued)
DATA I/O
ADDRESS
t
HD
t
SD
t
SA
t
HA
t
AW
tWC
CE1
WE
DATA
IN
VALID
NOTE 20
t
BW
BHE/BLE
tSCE
CE2
t
PWE
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