K4D263238D Datasheet, PDF(6/18 Page) Samsung semiconductor – 1M x 32Bit x 4 Banks Double Data Rate Synchronous DRAM with Bi-directional Data Strobe and DLL

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K4D263238D Datasheet, PDF (6/18 Pages) Samsung semiconductor – 1M x 32Bit x 4 Banks Double Data Rate Synchronous DRAM with Bi-directional Data Strobe and DLL

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K4D263238D

BLOCK DIAGRAM (1Mbit x 32I/O x 4 Bank)

128M DDR SDRAM

CK,CK

ADDR

Bank Select

CK, CK

Intput Buffer

LWE

Data Input Register

Serial to parallel

LDMi

1Mx32

x32

DQi

Column Decoder

Latency & Burst Length

LCKE

LRAS LCBR LWE

LCAS

Programming Register

LWCBR

Timing Register

DLL

CK,CK

LDMi

Data Strobe

CK,CK CKE CS RAS CAS WE DMi

-6-

Rev. 1.3 (Jul. 2002)

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