km416rd8ac Samsung Semiconductor, Inc., km416rd8ac Datasheet - Page 10

• Manufacturer Part Number: km416rd8ac
• Description: 128/144mbit Rdram 256k X 16/18 Bit X 2*16 Dependent Banks Direct Rdramtm
• Manufacturer: Samsung Semiconductor, Inc.

KM416RD8AC(D)/KM418RD8AC(D)
CTM/CFM
CTM/CFM
CTM/CFM
a
previous COLC, and is aligned
with the present COLC, indicated
by the Start bit (S=1) position.
The COLM is associated with a
COL4
COL3
COL2
COL1
COL0
COL4
COL3
COL2
COL1
COL0
ROW2
ROW1
ROW0
DR4T DR2 BR0 BR3 RsvR R8
DR4F DR1 BR1 BR4 RsvR R7
DR3 DR0 BR2 RsvB AV=1 R6
DC4
DC3
DC2 COP1
DC1 COP0
DC0 COP2
T
T
T
0
0
8
S=1
M=1 MA6 MA4 MA2 MA0
S=1
a
MA7 MA5 MA3 MA1
MB7 MB4 MB1
MB6 MB3 MB0
MB5 MB2
T
T
T
1
1
9
ROWA Packet
COLM Packet
COLC Packet
COP3 BC3 BC0
T
T
T
2
2
10
RsvB BC2
BC4 BC1
RsvC
R5
R4
R3
C5
Figure 3: Packet Formats
T
T
T
3
3
11
R2
R1
R0
C4
C3
C2
C1
C0
Page 7
CTM/CFM
CTM/CFM
COL4
COL3
COL2
COL1
COL0
ROW2
ROW1
ROW0
CTM/CFM
COL4
ROW2
DQA8..0
DQB8..0
..COL0
..ROW0
DR4T DR2 BR0 BR3
DR4F DR1 BR1 BR4 ROP9 ROP7 ROP4 ROP1
DR3 DR0 BR2 RsvB AV=0 ROP6 ROP3 ROP0
T
T
8
12
S=1
M=0 DX3 XOP3 BX4 BX0
ROWR Packet
COLX Packet
T
b
0
ACT a0
WR b1
T
1
DX4 XOP4 RsvB BX1
DX2 XOP2 BX3
DX1 XOP1 BX2
DX0 XOP0
T
2
T
T
T
3
9
13
T
Rev. 1.01 Oct. 1999
4
Direct RDRAM
t
T
PACKET
5
ROP10
T
6
T
7
T
T
T
MSK (b1)
8
PRER c0
ROP8 ROP5
10
14
T
9
T
b
10
with the present COLC,
The COLX is aligned
indicated by the Start
bit (S=1) position.
T
11
T
12
PREX d0
T
T
T
13
ROP2
11
15
T
14
T
15
™