K4H560838F-UC Datasheet, PDF (6/19 Pages) Samsung semiconductor – 256Mb F-die DDR400 SDRAM Specification

DDR SDRAM 256Mb F-die (x8, x16)
Block Diagram (8Mb x 8 / 4Mb x 16 I/O x 4 Banks)
DDR SDRAM
CK, CK
ADD
Bank Select
CK, CK
8/16
(L)WE
Data Input Register
Serial to parallel
L(U)DM
16/32
4Mx16 / 2Mx32
4Mx16 / 2Mx32
4Mx16 / 2Mx32
4Mx16 / 2Mx32
16/32
8/16
x8/x16
DQi
Column Decoder
LCKE
Latency & Burst Length
LRAS LCBR LWE
Programming Register
LCAS
LWCBR
CK, CK
L(U)DM
Timing Register
DM Input Register
Data Strobe
CK, CK CKE
CS
RAS CAS
WE
L(U)DM
Rev. 1.1 August. 2003