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CY7C4261
CY7C4271
Document #: 38-06015 Rev. *B
Page 10 of 18
Switching Waveforms (continued)
DATA WRITE 2
DATA WRITE 1
tENS
tSKEW1
DATA IN OUTPUT REGISTER
Empty Flag Timing
WEN1
WCLK
Q0 –Q8
EF
REN1,
REN2
OE
tDS
tENH
RCLK
tREF
tA
tFRL
D0 –D8
DATA READ
tSKEW1
tFRL
tREF
tDS
tENS
tENH
tENS
WEN2
(if applicable)
tENH
tENS
tENH
tREF
LOW
[19]
[19]
Q0 –Q8
REN1,
REN2
WEN1
WEN2
(if applicable)
D0 –D8
NEXT DATA READ
DATA WRITE
NO WRITE
DATA IN OUTPUT REGISTER
Full Flag Timing
FF
WCLK
OE
RCLK
tA
DATA READ
tSKEW1
tDS
tENS
tENH
tWFF
tA
tSKEW1
tENS
tENH
tWFF
DATA WRITE
NO WRITE
tWFF
LOW
[14]
[14]