CY7C4255-15(2004) 查看數據表（PDF） - Cypress Semiconductor
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CY7C4255-15 Datasheet PDF : 22 Pages
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Switching Waveforms (continued)
Empty Flag Timing
WCLK
D0 –D17
WEN
tDS
tENS
RCLK
EF
D0
tENH
tFRL[18]
tSKEW2
REN
OE
Q0 –Q17
Full FlagTiming
NO WRITE
WCLK
D0 –D17
tSKEW1 [15]
FF
tWFF
CY7C4255
CY7C4265
tREF
tDS
tENS
D1
tENH
tFRL[18]
tREF
tSKEW2
tREF
tA
D0
4255–10
NO WRITE
tDS
tSKEW1 [15]
DATA WRITE
tWFF
tWFF
DATA WRITE
WEN
RCLK
REN
tENS
tENH
tENS
tENH
OE
Q0 –Q17
LOW
tA
DATA IN OUTPUT REGISTER
DATA READ
tA
NEXT DATA READ
4255–11
Document #: 38-06004 Rev. *B
Page 9 of 22
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