k4j55323qf-gc Samsung Semiconductor, Inc., k4j55323qf-gc Datasheet - Page 7

• Manufacturer Part Number: k4j55323qf-gc
• Description: 256mbit Gddr3 Sdram
• Manufacturer: Samsung Semiconductor, Inc.

BLOCK DIAGRAM (2Mbit x 32I/O x 4 Bank)
K4J55323QF-GC
ADDR
iCK
LCKE
* iCK : internal clock
LRAS LCBR
iCK
Bank Select
CKE
LWE
CS
LCAS
RAS
Timing Register
CAS
Latency & Burst Length
Programming Register
Data Input Register
- 7 -
Column Decoder
Serial to parallel
2M x 32
2M x 32
2M x 32
2M x 32
Input Buffer
WDQS
WE
LWCBR
Input Buffer
DMi
32
128
128
CK,CK
Output
DLL
256M GDDR3 SDRAM
32
DQi
LDMi
LWE
LDMi
Rev 1.7 (Jan. 2005)
x32
RDQS