CY7C1470V25-250AXC CYPRESS [Cypress Semiconductor], CY7C1470V25-250AXC Datasheet - Page 22
CY7C1470V25-250AXC
Manufacturer Part Number
CY7C1470V25-250AXC
Description
Manufacturer
CYPRESS [Cypress Semiconductor]
Datasheet
1.CY7C1470V25-250AXC.pdf
(27 pages)
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Document #: 38-05290 Rev. *E
Switching Waveforms
NOP, STALL and DESELECT Cycles
ZZ Mode Timing
Notes:
24. The IGNORE CLOCK EDGE or STALL cycle (Clock 3) illustrated CEN being used to create a pause. A Write is not performed during this cycle.
25. Device must be deselected when entering ZZ mode. See cycle description table for all possible signal conditions to deselect the device.
26. I/Os are in High-Z when exiting ZZ sleep mode.
In-Out (DQ)
ADDRESS
ADV/LD
Data
BWx
CEN
CLK
WE
CE
ALL INPUTS
(except ZZ)
Outputs (Q)
WRITE
D(A1)
[25, 26]
I
A1
1
SUPPLY
CLK
ZZ
READ
Q(A2)
A2
2
(continued)
t ZZI
[21, 22, 24]
STALL
t ZZ
I DDZZ
3
D(A1)
READ
Q(A3)
PRELIMINARY
A3
4
Q(A2)
WRITE
D(A4)
DON’T CARE
A4
DON’T CARE
5
High-Z
STALL
6
Q(A3)
UNDEFINED
NOP
7
DESELECT or READ Only
t RZZI
t ZZREC
Q(A5)
D(A4)
READ
A5
8
CY7C1470V25
CY7C1472V25
CY7C1474V25
DESELECT
9
Page 22 of 27
CONTINUE
DESELECT
Q(A5)
10
t
CHZ
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