k4h280838f Samsung Semiconductor, Inc., k4h280838f Datasheet - Page 6

• Manufacturer Part Number: k4h280838f
• Description: 128mb F-die Ddr Sdram
• Manufacturer: Samsung Semiconductor, Inc.

Block Diagram (8Mbit x 4
DDR SDRAM 128Mb F-die (x4, x8)
CK, CK
ADD
LCKE
CK, CK
LRAS LCBR
Bank Select
CKE
/
4Mbit x 8 I/O x 4 Banks)
CS
LWE
CK, CK
RAS
LCAS
Timing Register
CAS
Latency & Burst Length
Programming Register
4Mx8/ 2Mx16
4Mx8/ 2Mx16
4Mx8/ 2Mx16
4Mx8/ 2Mx16
Data Input Register
Column Decoder
Serial to parallel
WE
8/16
4/8
LWCBR
8/16
CK, CK
L(U)DM
4/8
Rev. 1.1 May. 2004
DQi
(L)DM
x4/x8
(L)WE
(L)DM
DDR SDRAM
Data Strobe