DDR SDRAM 512Mb C-die (x4, x8, x16)
DDR SDRAM
6.0 Block Diagram (32Mb x 4 / 16Mb x 8 / 8Mb x 16 I/O x4 Banks)
LWE
x4/8/16
CK, CK
Data Input Register
Serial to parallel
LDM (x4x8)
LUDM (x16)
Bank Select
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
CK, CK
ADD
Column Decoder
Latency & Burst Length
Data Strobe
Programming Register
LWCBR
LCKE
LDM (x4x8)
LUDM (x16)
LRAS LCBR
LWE
LCAS
CK, CK
DM Input Register
Timing Register
LDM (x4x8)
LUDM (x16)
CK, CK
CKE
CS
RAS
CAS
WE
Rev. 1.1 June. 2005