K4H510438 Datasheet, PDF (7/24 Pages) Samsung semiconductor – 512Mb B-die DDR SDRAM Specification

DDR SDRAM 512Mb B-die (x4, x8, x16)
6.0 Block Diagram (32Mb x 4 / 16Mb x 8 / 8Mb x 16 I/O x4 Banks)
DDR SDRAM
CK, CK
ADD
Bank Select
x4/8/16
LWE
CK, CK
Data Input Register
Serial to parallel
LDM (x4x8)
LUDM (x16)
x8/16/32
16Mx8/ 8Mx16/ 4Mx32
16Mx8/ 8Mx16/ 4Mx32
16Mx8/ 8Mx16/ 4Mx32
16Mx8/ 8Mx16/ 4Mx32
x8/16/32 x4/8/16
x4/8/16
DQi
Column Decoder
Latency & Burst Length
LCKE
LRAS LCBR LWE
LCAS
Programming Register
LWCBR
LDM (x4x8)
LUDM (x16)
CK, CK
Timing Register
DM Input Register
Data Strobe
CK, CK CKE
CS
RAS CAS
WE
LDM (x4x8)
LUDM (x16)
Rev. 1.3 June. 2005