K4D26323RA Datasheet, PDF(7/18 Page) Samsung semiconductor – 1M x 32Bit x 4 Banks Double Data Rate Synchronous RAM with Bi-directional Data Strobe and DLL

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K4D26323RA Datasheet, PDF (7/18 Pages) Samsung semiconductor – 1M x 32Bit x 4 Banks Double Data Rate Synchronous RAM with Bi-directional Data Strobe and DLL

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K4D26323RA-GC

* VDD / VDDQ=2.8V *

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

(DQS0~DQS3)

CK,CK CKE CS RAS CAS WE DMi

-7-

Rev. 2.0 (Jan. 2003)

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