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PRELIMINARY
CYU01M16SFCU
MoBL3™
Document #: 38-05603 Rev. *B
Page 10 of 12
Write Cycle 4 (BHE/BLE Controlled, OE LOW)[15, 16, 20, 21]
Truth Table[22]
CE1
CE2
WE
OE
BHE
BLE
Inputs/Outputs
Mode
Power
H
XXXX
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
Active (ICC)
L
H
HL
HL
Data Out (I/O0–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
HHHH
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/O0–I/O15)
Write (Upper Byte and Lower
Byte)
Active (ICC)
L
H
L
X
H
L
Data In (I/O0–I/O7);
I/O8–I/O15 in High Z
Write (Lower Byte Only)
Active (ICC)
L
H
L
X
L
H
Data In (I/O8–I/O15);
I/O0 –I/O7 in High Z
Write (Upper Byte Only)
Active (ICC)
Note:
22. H = Logic HIGH, L = Logic LOW, X = Don’t Care.
Switching Waveforms (continued)
DATA I/O
ADDRESS
t
HD
t
SD
t
SA
t
HA
t
AW
t
WC
CE1
WE
VALID DATA
tBW
BHE/BLE
t
SCE
CE2
tPWE
DON’T CARE