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CY7C135
CY7C1342
Document #: 38-06038 Rev. *B
Page 6 of 12
Switching Waveforms
Notes:
14. R/W is HIGH for read cycle.
15. Device is continuously selected, CE = VIL and OE = VIL.
16. Address valid prior to or coincident with CE transition LOW.
17. CEL = CER =LOW; R/WL = HIGH
tRC
t
AA
tOHA
DATA VALID
PREVIOUS DATA VALID
DATA OUT
ADDRESS
Either Port Address Access
1342–9
Read Cycle No. 1[14,15]
tACE
tLZOE
tDOE
tHZOE
tHZCE
DATA VALID
DATA OUT
SEM
or CE
OE
tLZCE
tPU
ICC
ISB
tPD
Either Port CE/OE Access
1342–10
Read Cycle No. 2[14,16]
[13]
VALID
tDDD
tWDD
MATCH
MATCH
R/WR
DATAINR
DATAOUTL
twc
ADDRESSR
t
PWE
VALID
t
SD
t
HD
ADDRESS
L
1342–11
Read Timing with Port-to-Port[17]