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X9521 Datasheet, PDF (16/26 Pages) Xicor Inc. – Dual DCP, EEPROM Memory
X9521 – Preliminary Information
TIMING DIAGRAMS
Figure 22. Bus Timing
tF
tHIGH tLOW
tR
SCL
tSU:STA
SDA IN
tSU:DAT
tHD:STA
SDA OUT
tHD:DAT
tA tDH
tSU:STO
tBUF
Figure 23. WP Pin Timing
START
SCL
Clk 1
SDA IN
WP
tSU:WP
Clk 9
tHD:WP
Figure 24. Write Cycle Timing
SCL
SDA
8th bit of last byte
ACK
tWC
Stop
Condition
Start
Condition
REV 1.1.9 1/30/03
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Characteristics subject to change without notice. 16 of 26