k4r881869m Samsung Semiconductor, Inc., k4r881869m Datasheet - Page 6
k4r881869m
Manufacturer Part Number
k4r881869m
Description
288mbit Rdram 512k X 18 Bit X 2*16 Dependent Banks Direct Rdramtm
Manufacturer
Samsung Semiconductor, Inc.
Datasheet
1.K4R881869M.pdf
(64 pages)
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K4R881869M
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
64x72
Mux
R
72
PRER
Figure 2: 288 Mbit Direct RDRAM Block Diagram
ACT
RCLK
64x72
DRAM Core
CTM CTMN
TCLK
512x128x144
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
64x72
XOP Decode
COLX
Match
5
DX
PREX
5
BX
5
Packet Decode
COP
72
S
Preliminary
Direct RDRAM
Match
Rev. 0.9 Jan. 2000
RQ4..RQ0 or
COL4..COL0
5
1:8 Demux
DC
COLC
72
5
9
PREC
Internal DQA Data Path
Mux
5
Column Decode & Mask
BC
Buffer
Write
9
7
C
Mux
9
8
MB
RD, WR
COLM
DQA8..DQA0
RCLK
8
MA
9
9
9
™
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