Cypress Semiconductor NoBL CY7C1352G Scheda tecnica - Pagina 10

Sfoglia online o scarica il pdf Scheda tecnica per Hardware del computer Cypress Semiconductor NoBL CY7C1352G. Cypress Semiconductor NoBL CY7C1352G 13. 4-mbit (256k x 18) pipelined sram with nobl architecture

Switching Waveforms
NOP, STALL, and DESELECT Cycles
1
CLK
CEN
CE
ADV/LD
WE
BW
[A:B]
A1
ADDRESS
Data
In-Out (DQ)
WRITE
D(A1)
[22, 23]
ZZ Mode Timing
CLK
ZZ
I
SUPPLY
ALL INPUTS
(except ZZ)
Notes:
21. 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.
22. Device must be deselected when entering ZZ mode. See cycle description table for all possible signal conditions to deselect the device.
23. DQs are in high-Z when exiting ZZ sleep mode.
Document #: 38-05514 Rev. *D
(continued)
[18, 19, 21]
2
3
4
A2
A3
D(A1)
READ
STALL
READ
Q(A2)
Q(A3)
DON'T CARE
t
ZZ
t
ZZI
I
DDZZ
5
6
7
A4
Q(A2)
Q(A3)
WRITE
STALL
NOP
D(A4)
UNDEFINED
t RZZI
DESELECT or READ Only
CY7C1352G
8
9
10
A5
t
CHZ
D(A4)
Q(A5)
READ
DESELECT
CONTINUE
Q(A5)
DESELECT
t
ZZREC
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