K4H560438E-GCCC Datasheet, PDF(6/18 Page) Samsung semiconductor – 256Mb E-die DDR 400 SDRAM Specification 60Ball FBGA (x4/x8)

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K4H560438E-GCCC Datasheet, PDF (6/18 Pages) Samsung semiconductor – 256Mb E-die DDR 400 SDRAM Specification 60Ball FBGA (x4/x8)

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DDR SDRAM 256Mb E-die (x4, x8)

Block Diagram (64Mbit x 4 / 32Mbit x 8 I/O x 4 Banks)

DDR SDRAM

CK, CK

ADD

Bank Select

CK, CK

x4/8

Data Input Register

Serial to parallel

x8/16

8Mx8/ 4Mx16

x8/16

x4/8

LWE

LDM (x4x8)

x4/8

DQi

Column Decoder

Latency & Burst Length

LCKE

LRAS LCBR LWE

Programming Register

LCAS

Timing Register

LWCBR

CK, CK

DM Input Register

CK, CK CKE

RAS CAS

LDM (x4x8)

Data Strobe

Rev. 1.1 September. 2003

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