S-25A128B Datasheet, PDF (7/26 Pages) Seiko Instruments Inc – Write protect function during the low power supply voltage

Rev.1.3_01
CS
SCK
tCSH.CL
SI
FOR AUTOMOTIVE 125°C OPERATION SPI SERIAL E²PROM
S-25A128B
tCDS
tCSS.CL
tDS
tDH
MSB IN
tCSH.CH
tCSS.CH
tRSK
tFSK
LSB IN
High-Z
SO
Figure 4 Serial Input Timing
CS
SCK
SI
SO
tSKS.HL
tSKH.HL
tOZ.HL
tSKH.HH
tSKS.HH
tOD.HH
HOLD
Figure 5 Hold Timing
7