tc59ym916bkg24a ETC-unknow, tc59ym916bkg24a Datasheet - Page 18

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

DQN15…0
DQN15…0
DQN15…0
DQN15…0
Figure 6. ACT-, RD-, WR-, PRE-to-WR Packet Interactions
DQ15…0
DQ15…0
DQ15…0
DQ15…0
RQ11
RQ11
RQ11
RQ11
AWd Case (activate-write different bank)
RWd Case (read-write different bank)
WWd Case (write-write different bank)
PWd Case (precharge-write different bank)
…RQ0
…RQ0
…RQ0
…RQ0
CFMN
CFMN
CFMN
CFMN
CFM
CFM
CFM
CFM
a: ROWA Packet with ACT, Ba, Ra
b: COL Packet with WR, Bb,Cb
a: COL Packet with RD, Ba,Ra
b: COL Packet with WR, Bb, Cb
a: COL Packet with WR, Ba, Ca
b: COL Packet with WR,Bb,Cb
a: ROWP Packet with PRR, Ba
b: COL Packet with WR, Bb,Cb
T
T
T
T
ACT
No limit
PRE
RD
WR
No limit
0
0
0
0
a
a
a
a
T
T
T
t
T
CC
WR
WR
1
1
1
1
b
b
T
T
T
T
WR
2
2
t ∆
2
2
b
RW
t
T
T
T
T
CAC
3
3
3
3
T
T
T
T
4
4
4
4
T
T
T
5
5
5
T
T
T
T
6
6
WR
6
6
a
Ba ≠ Bb
Ba ≠ Bb
Ba ≠ Bb
Ba ≠ Bb
Q (a)
t
T
T
T
T
CC
7
7
7
7
t
CWD
T
T
T
T
t
CYCLE
8
8
8
8
T
T
T
T
9
9
9
9
TC59YM916BKG24A,32A,32B,40B,32C,40C
D (b)
T
T
T
T
10
10
10
10
T
T
T
T
PRE
11
11
11
11
a
T
T
T
T
AWs Case (activate-write same bank)
RWs Case (read-activate same bank)
WWs Case (write-write same bank)
PWs Case (precharge-write same bank)
12
12
12
12
a: ROWA Packet with ACT, Ba, Ra
b: COL Packet with WR, Bb, Cb
a: COL Packet with RD, Ba, Ca
b: COL Packet with WR, Bb, Cb
a: COP Packet with WR,Ba, Ca
b: COL Packet with WR, Bb, Cb
a: ROWP Packet with PRE, Ba
b: COP Packet with WR, Bb, Cb
T
T
T
T
13
13
13
13
RD
a
t
RP
T
T
T
T
14
14
14
14
t
+ t
RP
RCD-W
T
T
T
T
15
15
15
15
t ∆
t
T
T
T
T
CAC
RW
16
16
16
16
T
T
T
T
t
t
ACT
ACT
17
17
17
17
RCD-W
RCD-W
B
a
T
T
T
T
WR
18
WR
18
18
18
b
b
T
T
T
T
2004-12-15 18/76
WR
19
19
19
19
b
Q (a)
T
T
t
T
T
CC
20
20
20
WR
20
t
a
CWD
Ba = Bb
Ba = Bb
Ba = Bb
Ba = Bb
T
T
T
t
T
CC
t
21
21
21
21
CYCLE
Rev 0.1
T
T
T
T
WR
22
22
22
22
b
D (b)
T
T
T
T
23
23
23
23