km416rd8ac Samsung Semiconductor, Inc., km416rd8ac Datasheet - Page 7

• 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)
DQB8..DQB0
9
9
9
Internal DQB Data Path
ROWR
11
ROP
AV
9
Packet Decode
DM
ROW2..ROW0
Match
RQ7..RQ5 or
5
9
1:8 Demux
DR
3
5
9
72
Row Decode
BR
Sense Amp
ROWA
9
32x72
Mux
R
72
Figure 2: 128/144 Mbit Direct RDRAM Block Diagram
PRER
ACT
RCLK
32x72
DRAM Core
CTM CTMN
TCLK
512x64x144
REFR
SCK,CMD
2
Control Registers
Power Modes
Bank 13
Bank 14
Bank 15
Bank 16
Bank 17
Bank 18
Bank 29
Bank 30
Bank 31
Page 4
Bank 0
Bank 1
Bank 2
SIO0,SIO1
2
DEVID
CFM CFMN
RCLK
XOP
6
M
32x72
XOP Decode
COLX
Match
5
DX
PREX
5
BX
5
Packet Decode
COP
72
S
Rev. 1.01 Oct. 1999
Direct RDRAM
Match
RQ4..RQ0 or
COL4..COL0
5
1:8 Demux
DC
COLC
72
5
PREC
9
Internal DQA Data Path
Mux
5
Column Decode & Mask
BC
Buffer
Write
9
6
C
Mux
9
8
MB
RD, WR
COLM
DQA8..DQA0
RCLK
8
MA
9
9
9
™