W40S01 View Datasheet(PDF) - Cypress Semiconductor

Part Name

Description

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W40S01

SDRAM Buffer - 4 DIMM

Cypress Semiconductor 

Signaling from System Core Logic

Start Condition

Slave Address

(First Byte)

Command Code

(Second Byte)

Byte Count

(Third Byte)

SDATA

MSB

LSB

11010010

MSB

LSB

MSB

MSB

Last Data Byte

(Last Byte)

Stop Condition

LSB

SCLOCK

123 45678A12 345678A1234

1234567 8A

SDATA

Signaling by Clock Device

Acknowledgment Bit

from Clock Device

SDATA

SCLOCK

tSTHD

tLOW

tR

tHIGH

tF

tDSU

tDHD

tSP

tSPSU

tSTHD

tSPF

tSPSU

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