tc59ym916bkg24a ETC-unknow, tc59ym916bkg24a Datasheet - Page 43

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

Ba,Bb,Bc,Bd,Be,
Bf,Bg and Bh are
different banks.
Bc/Rc = Ba/Ra
RQ11…RQ0
RQ11…RQ0
RQ11…RQ0
RQ11…RQ0
RQ11…RQ0
RQ11…RQ0
Figure 44. Refresh Transactions
DQN15…0
DQN15…0
DQN15…0
DQ15…0
DQ15…0
DQ15…0
RQ11
…RQ0
CFMN
CFMN
CFMN
(ACT)
(PRE)
(ACT)
(PRE)
(ALL)
(ALL)
CFM
CFM
CFM
Bb = Ba
Bi = Ba
T
T
REFA
T
REFA
REFA
REFA
REFA
24
0
a0
0
a0
a0
g0
g0
T
T
T
25
1
1
t
T
T
T
REFP
REFP
RR
26
2
2
e1
e1
Transaction a: REF
Transaction b: REF
Transaction a: REF
Transaction b: REF
Transaction d: REF
Transaction e: REF
Transaction g: REF
Transaction h: REF
Transaction c: REF
Transaction c: REF
Transaction f: REF
Transaction i: REF
T
T
T
27
3
3
T
T
T
REFA
REFA
REFA
This REFI increments REFR.
REFI
28
4
4
b0
b0
h0
h0
T
T
t
T
RAS
29
5
5
T
T
T
REFP
REFP
30
6
6
f1
f1
i0 = {Bi, REFR + 1}
T
T
T
a0 = {Ba, REFR}
b0 = {Bb, REFR}
a0 = {Ba, REFR}
b0 = {Bb, REFR}
d0 = {Bd, REFR}
e0 = {Be, REFR}
g0 = {Bg, REFR}
h0 = {Bh, REFR}
c0 = {Bc, REFR}
c0 = {Bc, REFR}
f0 = {Bc, REFR}
31
7
7
T
T
T
REFA
REFA
REFA
REFA
32
8
t
8
c0
c0
i0
i0
RC
T
T
T
TC59YM916BKG24A,32A,32B,40B,32C,40C
33
9
9
t
REF
T
T
T
REFP
REFP
REFP
REFP
REFP
10
10
34
a1
a1
a1
g1
g1
T
T
T
35
11
11
T
T
T
REFA
REFA
12
12
36
a1 = {Ba }
b1 = {Bb }
c1 = {Bc }
d0
d0
a1 = {Ba}
b1 = {Bb}
c1 = {Bc}
d1 = {Bd}
e1 = {Be}
g1 = {Bg}
h1 = {Bh}
f1 = {Bf}
i1 = {Bi}
t
RP
T
T
T
13
13
37
T
T
T
REFP
REFP
REFP
REFP
14
14
38
h1
h1
b1
b1
T
T
T
15
15
39
T
T
T
REFA
REFA
REFA
16
16
40
b0
e0
e0
T
T
T
17
17
41
Interleaved Refresh Example
T
T
REFP
REFP
18
42
c1
c1
2004-12-15 43/76
T
T
19
43
Refresh Transaction
REFA
c0
T
T
REFA
REFA
20
44
f0
f0
T
T
21
45
Rev 0.1
T
T
REFP
REFP
t
t
CYCLE
CYCLE
22
46
d1
d1
T
T
23
47