K4Y50164UC Datasheet, PDF (14/76 Pages) Samsung semiconductor – 512Mbit XDR TM DRAM(C-die)

K4Y50164UC
K4Y50084UC
K4Y50044UC
K4Y50024UC
XDR^TM DRAM
Figure 3 : Request Packet Formats
CCFFMM
CCFFMMNN
RQ11..0
RQ11..0
T₀ T₁ T₂ T₃ T₄ T₅ T₆ T₇ T₈ T₉ T₁₀ T₁₁ T₁₂ T₁₃ T₁₄ T₁₅ T₁₆ T₁₇ T₁₈ T₁₉ T₂₀ T₂₁ T₂₂ T₂₃
t_{CYCLE ACT}
a0
RD
WRM
PRE
PDN
a1
a2
a3
-
DQ15..0
DQN15..0
ROWA Packet
t_CYCLE
CFM
CFMN
RQ11
RQ10
RQ9
RQ8
RQ7
RQ6
RQ5
RQ4
RQ3
RQ2
RQ1
RQ0
OP DEL
3A
OP R
28
RR
97
RR
10 6
RR
11 5
rsrv R
4
rsrv R
3
rsrv R
2
rsrv R
1
BA R
20
BA SR
1
1
BA SR
0
0
COL Packet
t_CYCLE
OP DEL
3C
OP rsrv
2
OP rsrv
1
OP rsrv
0
WR C
X7
CC
86
CC
95
rsrv C
4
rsrv SC
3
BC SC
2
2
BC SC
1
1
BC SC
0
0
COLM Packet
t_CYCLE
ROWP Packet
t_CYCLE
COLX Packet
t_CYCLE
OP M
37
MM
36
MM
25
MM
14
MC
07
CC
86
CC
95
rsrv C
4
rsrv SC
3
BC SC
2
2
BC SC
1
1
BC SC
0
0
OP POP
32
OP ROP
22
OP ROP
11
OP ROP
00
POP RA
17
POP RA
06
rsrv RA
5
rsrv RA
4
rsrv RA
3
BP RA
22
BP RA
11
BP RA
00
OP rsrv
3
OP rsrv
2
OP rsrv
1
OP rsrv
0
rsrv rsrv
rsrv rsrv
rsrv rsrv
rsrv rsrv
XOP rsrv
3
XOP rsrv
2
XOP rsrv
1
XOP rsrv
0
14 of 76
Rev. 1.1 August 2006