k4h560438e Samsung Semiconductor, Inc., k4h560438e Datasheet - Page 7

• Manufacturer Part Number: k4h560438e
• Description: 256mb E-die Ddr Sdram
• Manufacturer: Samsung Semiconductor, Inc.

6.0 Block Diagram
DDR SDRAM 256Mb E-die (x4, x8)
CK, CK
ADD
LCKE
CK, CK
LRAS LCBR
Bank Select
CKE
(16Mb x 4 / 8Mb x 8 I/O x4 Banks)
CS
LWE
CK, CK
RAS
LCAS
Timing Register
CAS
Latency & Burst Length
Programming Register
8Mx8/ 4Mx16
8Mx8/ 4Mx16
8Mx8/ 4Mx16
8Mx8/ 4Mx16
Data Input Register
Column Decoder
Serial to parallel
WE
x8/16
x4/8
LWCBR
DM
x8/16
CK, CK
x4/8
Rev. 1.3 July. 2005
DQi
DM
x4/8
(L)WE
(L)DM
DDR SDRAM
Data Strobe