tc59ym916bkg24a ETC-unknow, tc59ym916bkg24a Datasheet - Page 21

• Manufacturer Part Number: tc59ym916bkg24a
• Description: The Second Generation 512-megabit Xdrtm Dram
• Manufacturer: ETC-unknow

DQN15…0
DQN15…0
DQN15…0
DQN15…0
Figure 8. Request Scheduling Examples
DQ15…0
DQ15…0
DQ15…0
DQ15…0
RQ11
RQ11
RQ11
RQ11
…RQ0
…RQ0
…RQ0
…RQ0
CFMN
CFMN
CFMN
CFMN
CFM
CFM
CFM
CFM
T
Note: DEL value is specified by DELA field.
T
Note: DEL value is specified by DELA field.
T
Note: DEL value is specified by {POP1, POP0} field.
DEL1
DEL1
PRE
DEL3
ACT
REFP
Note: DEL value is specified by {RA7, RA6} field.
T
DEL3
RD
0
0
0
0
ACT w/DEL=1 at T
to ACT w/DEL=0 at T
REFP w/DEL=3 at T
or REFP w/DEL=1 at T
T
T
T
DEL0
DEL0
DEL2
ACT
PRE
T
REFP
RD
DEL2
1
1
1
1
T
T
T
REFP
DEL1
T
DEL1
PRE
2
2
2
2
RD w/DEL=1 at T
to RD w/DEL=0 at T
T
T
T
DEL0
T
REFP
PRE
DEL0
3
3
3
3
t
CAC
0
T
T
T
T
is equivalent
0
4
4
4
1
4
.
is equivalent to REFP w/DEL=2 at T
2
or REFP w/DEL=0 at T
T
T
T
T
5
5
5
5
0
PRE w/DEL=3 at T
T
is equivalent
1
1
REFA w/DEL=3 at T
or REFI w/DEL=1 at T
T
T
T
or PRE w/DEL=1 at T
T
.
REFA
DEL3
6
6
6
6
T
T
T
T
REFA
DEL2
7
7
7
7
T
T
T
T
Q
REFA
DEL1
8
8
8
8
3
0
T
T
T
.
T
REFA
DEL0
9
9
9
TC59YM916BKG24A,32A,32B,40B,32C,40C
is equivalent to PRE w/DEL=2 at
9
6
is equivalent to REFI w/DEL=2 at T
8
2
T
T
T
or PRE w/DEL=0 at T
T
or REFP w/DEL=0 at T
10
10
10
10
1
T
T
T
T
11
11
11
11
T
T
T
T
DEL1
12
12
WR
12
12
T
T
T
T
DEL1
DEL3
REFI
13
13
WR
13
13
9
REFI w/DEL=3 at T
T
.
T
T
T
3
T
14
DEL2
REFI
14
14
14
.
t
14
CWD
WRM w/DEL=1 at T
to WRM w/DEL=0 at T
COL/RD and COL/WRACT Commands
or REFI w/DEL=1 at T
ROWP/REFP, REFA, REFI Commands
T
T
T
T
DEL1
REFI
15
15
15
15
7
T
T
T
T
DEL0
REFI
16
16
16
16
T
T
T
T
D
17
17
17
13
17
is equivalent to REFI w/DEL=2 at
12
T
T
T
T
18
18
18
18
13
15
is equivalent
ROWP/PRE Command
ROWA/ACT Command
.
or REFI w/DEL=0 at T
T
T
T
2004-12-15 21/76
T
19
19
19
19
T
T
T
T
20
20
20
20
T
T
T
T
21
21
21
21
Rev 0.1
T
T
T
t
t
t
T
t
CYCLE
CYCLE
CYCLE
t
22
22
22
CYCLE
22
CYCLE
16
T
T
T
.
T
23
23
23
23