K4H281638L-LCB3 View Datasheet(PDF) - Samsung

Part Name

Description

Manufacturer

K4H281638L-LCB3

128Mb L-die DDR SDRAM

Samsung 

K4H281638L

6.0 Block Diagram (2Mb x 16 I/O x4 Banks)

DDR SDRAM

CK, CK

ADD

Bank Select

CK, CK

x4/8/16

LWE

Data Input Register

Serial to parallel

LUDM (x16)

x8/16/32

1Mx32

1Mx32

1Mx32

1Mx32

32

16

16

DQi

Column Decoder

Latency & Burst Length

LCKE

LRAS LCBR LWE

Programming Register

LCAS

LWCBR

LUDM (x16)

CK, CK

Timing Register

DM Input Register

Data Strobe

CK, CK CKE

CS

RAS CAS

WE

LUDM (x16)

9 of 32

Rev. 1.2 Feburary 2009

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