tc59ym916bkg24a ETC-unknow, tc59ym916bkg24a Datasheet - Page 29

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

DQN15…0
DQN15…0
DQ15…0
DQ15…0
Figure 12. Write/Read Interaction
RQ11
RQ11
…RQ0
…RQ0
CFMN
CFMN
CFM
CFM
T
T
WR
RD
a1
a1
0
0
T
T
1
1
T
T
WR
RD
a2
a2
2
2
T
T
t
3
3
CWD
D(a1)
T
T
4
4
t
CAC
T
T
5
5
D(a2)
t
∆WR
t
t
T
CC
T
∆RW
6
6
Q(a1)
T
T
7
7
t
T
T
DR
8
8
Q(a2)
t
T
T
CC
9
9
TC59YM916BKG24A,32A,32B,40B,32C,40C
T
T
WR
10
10
b1
t
RW-BUB,XDR DRAM
T
T
Transaction a: WR
Transaction a: WR
Transaction b: RD
Transaction b: RD
RD
11
11
b1
t
CWD
t
WR-BUB, XDR DRAM
T
T
WR
12
12
b2
T
T
13
13
RD
b2
D(b1)
t
T
CAC
T
14
14
T
T
15
15
D(b2)
T
T
a1 = {Ba, Ca1}
b1 = {Bb, Cb1}
a1 = {Ba, Ca1}
b1 = {Bb, Cb1}
16
16
Write/Read Turnaround Example
Read/Write Turnaround Example
T
T
17
17
Q(b1)
T
T
18
18
T
T
2004-12-15 29/76
19
19
Q(b2)
T
T
20
20
a2 = {Ba, Ca2}
b2 = {Bb, Cb2}
a2 = {Ba, Ca2}
b2 = {Bb, Cb2}
T
T
21
21
Rev 0.1
T
T
t
t
CYCLE
CYCLE
22
22
T
T
23
23