Cypress CY7C1380FV25 - Manual (Page 20)

CY7C1380DV25, CY7C1380FV25
CY7C1382DV25, CY7C1382FV25
Document #: 38-05546 Rev. *E Page 20 of 29
Switching Waveforms
Read Cycle Timing [25]
tCYC
t
CL
CLK
ADSP
t
ADH
t
ADS
ADDRESS
t
CH
OE
ADSC
CE
tAH tAS
A1
tCEH tCES
GW, BWE,
BWx
Data Out (Q) High-Z
tCLZ
tDOH
tCO
ADV
tOEHZ
tCO
Single READ BURST READ
tOEV
tOELZ tCHZ
ADV
suspends
burst.
Burst wraps around
to its initial state
tADVH tADVS
tWEH tWES
tADH tADS
Q(A2) Q(A2 + 1) Q(A2 + 2) Q(A1) Q(A2) Q(A2 + 1) Q(A2 + 3)
A2 A3
Deselect
cycle
Burst continued with
new base address
DON’T CARE UNDEFINED
Note:
25. On this diagram, when CE is LOW, CE
1
is LOW, CE
2
is HIGH and CE
3
is LOW. When CE is HIGH, CE
1
is HIGH or CE
2
is LOW or CE
3
is HIGH.
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