11 / 14 page
CY7C1351G
Document #: 38-05513 Rev. *D
Page 11 of 14
NOP, STALL and DESELECT Cycles[19, 20, 22]
ZZ Mode Timing[23,24]
Notes:
22. The IGNORE CLOCK EDGE or STALL cycle (Clock 3) illustrates CEN being used to create a pause. A write is not performed during this cycle.
23. Device must be deselected when entering ZZ mode. See truth table for all possible signal conditions to deselect the device.
24. DQs are in high-Z when exiting ZZ sleep mode.
Switching Waveforms (continued)
READ
Q(A3)
456
789
10
A3
A4
A5
D(A4)
123
CLK
CE
WE
CEN
BW[A:D]
ADV/LD
ADDRESS
DQ
COMMAND
WRITE
D(A4)
STALL
WRITE
D(A1)
READ
Q(A2)
STALL
NOP
READ
Q(A5)
DESELECT
CONTINUE
DESELECT
DON’T CARE
UNDEFINED
tCHZ
A1
A2
Q(A2)
D(A1)
Q(A3)
tDOH
Q(A5)
t
ZZ
I
SUPPLY
CLK
ZZ
t
ZZREC
ALL INPUTS
(except ZZ)
DON’T CARE
I
DDZZ
t
ZZI
t
RZZI
Outputs (Q)
High-Z
DESELECT or READ Only
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