k4h281638l Samsung Semiconductor, Inc., k4h281638l Datasheet - Page 7

• Manufacturer Part Number: k4h281638l
• Description: 128mb L-die Ddr Sdram
• Manufacturer: Samsung Semiconductor, Inc.

DDR SDRAM
K4H281638L
6.0 Block Diagram (2Mb x 16 I/O x4 Banks)
LWE
x4/8/16
CK, CK
Data Input Register
LUDM (x16)
Serial to parallel
Bank Select
x8/16/32
1Mx32
1Mx32
32
16
16
1Mx32
DQi
CK, CK
1Mx32
ADD
Column Decoder
Latency & Burst Length
Data Strobe
Programming Register
LCKE
LRAS LCBR
LWE
LUDM (x16)
LCAS
LWCBR
CK, CK
DM Input Register
Timing Register
LUDM (x16)
CK, CK
CKE
CS
RAS
CAS
WE
Rev. 1.1 October 2008
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