W942508CH Datasheet, PDF(41/47 Page) Winbond – 8M x 4 BANKS x 8 BIT DDR SDRAM

English

English German Russian Spanish Italian Polish Chinese Japanese Korean French Portuguese	Language :

W942508CH Datasheet, PDF (41/47 Pages) Winbond – 8M x 4 BANKS x 8 BIT DDR SDRAM

◁

W942508CH

Timing Waveforms, continued

10.17 Write Interrupted by Read (CL = 2.5, BL = 4)

CLK

CMD

WRIT

READ

DQS

tWTR

D0 D1 D2 D3

Q0 Q1 Q2 Q3

Data must be masked by DM

10.18 Write Interrupted by Precharge (BL = 8)

CLK

CMD

WRIT

DQS

PRE

ACT

tWR

tRP

D0 D1 D2 D3 D4 D5 D6 D7

Data must be

masked by DM

Data masked by PRE

command, DQS input ignored.

- 41 -

Publication Release Date: May 21, 2003

Revision A3

▷