K4H280438F-UC Datasheet, PDF(6/23 Page) Samsung semiconductor – 128Mb F-die DDR SDRAM Specification 66 TSOP-II with Pb-Free (RoHS compliant)

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K4H280438F-UC Datasheet, PDF (6/23 Pages) Samsung semiconductor – 128Mb F-die DDR SDRAM Specification 66 TSOP-II with Pb-Free (RoHS compliant)

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DDR SDRAM 128Mb F-die (x4, x8)

Block Diagram (8Mbit x 4 / 4Mbit x 8 I/O x 4 Banks)

DDR SDRAM

CK, CK

ADD

Bank Select

CK, CK

4/8

Data Input Register

Serial to parallel

8/16

4Mx8/ 2Mx16

8/16

4/8

(L)WE

(L)DM

x4/x8

DQi

Column Decoder

Latency & Burst Length

LCKE

LRAS LCBR LWE

Programming Register

LCAS

LWCBR

Timing Register

CK, CK

(L)DM

Data Strobe

CK, CK CKE

RAS CAS

L(U)DM

Rev. 1.1 May. 2004

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