參數(shù)資料
型號: K4N51163QC-ZC33
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 512Mbit gDDR2 SDRAM
中文描述: 512MB的GDDR2 SDRAM的
文件頁數(shù): 37/64頁
文件大小: 1420K
代理商: K4N51163QC-ZC33
- 37 -
Rev 1.5 Oct. 2005
512M gDDR2 SDRAM
K4N51163QC-ZC
CMD
NOP
NOP
NOP
NOP
NOP
NOP
NOP
DQs
NOP
CK/CK
DOUT A
0
DOUT A
1
DOUT A
2
DOUT A
3
READ A
CAS
CL =3
RL = 3
DQS
=< t
DQSCK
T0
T2
T1
T3
T4
T5
T6
T7
T8
DOUT A
4
DOUT A
5
DOUT A
6
DOUT A
7
CMD
Post CAS
READ A
NOP
NOP
NOP
NOP
NOP
DQ’s
NOP
CK/CK
T0
Tn-1
T1
Tn
Tn+1
Tn+2
Tn+3
Tn+4
Tn+5
DOUT A
0
DOUT A
1
DOUT A
2
DOUT A
3
DQS
DIN A
0
DIN A
1
DIN A
2
DIN A
3
WL = RL - 1 = 4
RL =5
Post CAS
WRITE A
t
RTW
(Read to Write turn around time)
NOP
The minimum time from the burst read command to the burst write command is defined by a read-to-write-turn-around-time, which is 4
clocks in case of BL = 4 operation, 6 clocks in case of BL = 8 operation.
Burst Read Operation: RL = 3 (AL = 0 and CL = 3, BL = 8)
Burst Read followed by Burst Write: RL = 5, WL = (RL-1) = 4, BL = 4
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