HYB39S256800T-8A Просмотр технического описания (PDF) - Infineon Technologies

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HYB39S256800T-8A

256 MBit Synchronous DRAM

Infineon Technologies 

19. Precharge Termination of a Burst

Burst Length = 8 , CAS Latency = 2

T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22

CLK

tCK2

CKE High

CS

RAS

CAS

WE

BS

AP

RAx

RAy

RAz

Addr

RAx

CAx

DQM

RAy

CAy

tRP

DQ Hi-Z

DAx0 DAx1 DAx2 DAx3

Activate

Command

Bank A

Write

Precharge

Command

Bank A

Command

Bank A

Precharge Termination

of a Write Burst. Write

data is masked.

Activate

Command

Bank A

Read

Command

Bank A

RAz

CAz

tRP

tRP

Ay0 Ay1 Ay2

Az0 Az1 Az2

Precharge

Command

Bank A

Activate

Command

Bank A

Read

Command

Bank A

Precharge

Command

Bank A

Precharge Termination

of a Read Burst.

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