K4J55323QF-GC Datasheet, PDF (34/49 Pages) Samsung semiconductor – 256Mbit GDDR3 SDRAM

K4J55323QF-GC
Nonconsecutive WRITE to WRITE
T0
T1
T2
/CK
CK
COMMAND
WRITE
NOP
NOP
ADDRESS
WDQS
Bank,
Col b
t_DQSS (NOM)
DQ
DM
256M GDDR3 SDRAM
T3 T3n T4 T4n T5 T5n T6 T6n T7
WRITE
Bank,
Col n
NOP
NOP
NOP
NOP
DI DI_DON’TDI_CAREDI
b
b
b
b
DI DI DI
n
n
n
DON’T CARE
TRANSITIONING DATA
NOTE :
1. DI b, etc. = data-in for column b, etc.
2. Three subsequent elements of data-in are applied in the programmed order following DI b.
3. Three subsequent elements of data-in are applied in the programmed order following DI n.
4. burst of 4 is shown.
5. Each WRITE command may be to any bank.
6. Write latency is set to 3
- 34 -
Rev 1.8 (Apr. 2005)