S-25A128B Datasheet, PDF (8/26 Pages) Seiko Instruments Inc – Write protect function during the low power supply voltage

FOR AUTOMOTIVE 125°C OPERATION SPI SERIAL E²PROM
S-25A128B
Rev.1.3_01
CS
SCK
ADDR
SI ^{LSB IN}
tOD
SO
tSCK
tHIGH
tOZ
tLOW
tOD
tOH
tOH
LSB OUT
tRO
tFO
Figure 6 Serial Output Timing
tWS1
CS
tWH1
WP
Figure 7 Valid Timing in Write Protect
tWS2
CS
tWH2
WP
Figure 8 Invalid Timing in Write Protect
8