K4H560438J SAMSUNG [Samsung semiconductor], K4H560438J Datasheet - Page 7

• Manufacturer Part Number: K4H560438J
• Description: 256Mb J-die DDR SDRAM Specification
• Manufacturer: SAMSUNG [Samsung semiconductor]

K4H560438J
K4H560838J
K4H561638J
6.0 Block Diagram (16Mb x 4 / 8Mb x 8 / 4Mb x 16 I/O x4 Banks)
CK, CK
ADD
LCKE
CK, CK
LRAS LCBR
Bank Select
CKE
CS
LWE
CK, CK
RAS
LCAS
Timing Register
CAS
8Mx8/ 4Mx16/ 2Mx32
8Mx8/ 4Mx16/ 2Mx32
8Mx8/ 4Mx16/ 2Mx32
8Mx8/ 4Mx16/ 2Mx32
Latency & Burst Length
7 of 24
Programming Register
Data Input Register
Column Decoder
Serial to parallel
WE
x8/16/32
x4/8/16
LWCBR
DM Input Register
x8/16/32
CK, CK
LUDM (x16)
LDM (x4x8)
x4/8/16
LDM (x4x8)
LUDM (x16)
Rev. 1.12 August 2008
DQi
x4/8/16
LWE
LUDM (x16)
LDM (x4x8)
DDR SDRAM
Data Strobe