CY7C4205/CY7C4215
CY7C4225/CY7C4245
Switching Waveforms (continued)
Figure 16. Write Programmable Registers
WCLK
tCLKH
LD
WEN
D0–D17
tCLK
tCLKL
tENS
tENS
tENH
tDS
tDH
PAE OFFSET
PAE OFFSET
PAF OFFSET
Figure 17. Read Programmable Registers
D0–D11
RCLK
tCLKH
LD
REN
Q0–Q17
tCLK
tENS
tENS
tCLKL
tENH
tA
UNKNOWN
PAE OFFSET
PAF OFFSET
PAE OFFSET
WCLK
WXO
WEN
Figure 18. Write Expansion Out Timing
tCLKH
Note 35
tXO
tENS
tXO
Note:
35. Write to Last Physical Location.
Document Number: 001-45652 Rev. *B
Page 18 of 25
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