W942508CH Datasheet, PDF(38/47 Page) Winbond – 8M x 4 BANKS x 8 BIT DDR SDRAM

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W942508CH Datasheet, PDF (38/47 Pages) Winbond – 8M x 4 BANKS x 8 BIT DDR SDRAM

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W942508CH

Timing Waveforms, continued

10.11 Read Interrupted by Read (CL = 2, BL = 2, 4, 8)

CLK

CMD

ADD

ACT

tRCD

Row

Address

READ A

READ B

READ C

READ D

READ E

tCCD

COl,Add,A

Col,Add,B

Col,Add,C

Col,Add,D

Col,Add,E

DQS

QA0 QA1 QB0 QB1 QC0

10.12 Burst Read Stop (BL = 8)

CLK

CMD

READ

BST

CAS Latency=2

DQS

CAS Latency

Q0 Q1 Q2 Q3 Q4 Q5

CAS Latency=2.5

DQS

CAS Latency

Q0 Q1 Q2 Q3 Q4 Q5

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