k4j55323qf-gc Samsung Semiconductor, Inc., k4j55323qf-gc Datasheet - Page 7
k4j55323qf-gc
Manufacturer Part Number
k4j55323qf-gc
Description
256mbit Gddr3 Sdram
Manufacturer
Samsung Semiconductor, Inc.
Datasheet
1.K4J55323QF-GC.pdf
(49 pages)
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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