Cypress CY7C1350G - Manual (Page 11)

CY7C1350G
Document #: 38-05524 Rev. *F Page 11 of 15
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 cycle description 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)
4 5 6 7 8 9 10
CLK
CE
WE
CEN
BW
[A:D]
ADV/LD
ADDRESS A3 A4 A5
D(A4)
Data
In-Out (DQ)
A1
Q(A5)
WRITE
D(A4)
STALL WRITE
D(A1)
1 2 3
READ
Q(A2)
STALL NOP READ
Q(A5)
DESELECT CONTINUE
DESELECT
DON’T CARE UNDEFINED
t CHZ
A2
D(A1) Q(A2) Q(A3)
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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