K4H511638D Datasheet, PDF(7/24 Page) Samsung semiconductor – 512Mb D-die DDR SDRAM Specification 66 TSOP-II with Pb-Free (RoHS compliant)

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K4H511638D Datasheet, PDF (7/24 Pages) Samsung semiconductor – 512Mb D-die DDR SDRAM Specification 66 TSOP-II with Pb-Free (RoHS compliant)

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DDR SDRAM 512Mb D-die (x8, x16)

6.0 Block Diagram (16Mb x 8 / 8Mb x 16 I/O x4 Banks)

Preliminary

DDR SDRAM

CK, CK

ADD

Bank Select

CK, CK

x8/16

LWE

Data Input Register

Serial to parallel

LDM (x8)

LUDM (x16)

x8/16/32

8Mx16/ 4Mx32

x16/32

x8/16

DQi

Column Decoder

Latency & Burst Length

LCKE

LRAS LCBR LWE

LCAS

Programming Register

LWCBR

LDM (x8)

LUDM (x16)

CK, CK

Timing Register

DM Input Register

Data Strobe

CK, CK CKE

RAS CAS

LDM (x8)

LUDM (x16)

Rev. 0.3 June. 2005

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