PD488588 Datasheet, PDF (5/79 Pages) Elpida Memory – 288M bits Direct Rambus DRAM

µPD488588
Block Diagram
DQB8..DQB0
9
RQ7..RQ5 or
ROW2..ROW0
3
1:8 Demux
CTM CTMN SCK, CMD SIO0, SIO1 CFM CFMN
2
2
RCLK
RQ4..RQ0 or
COL4..COL0
5
1:8 Demux
DQA8..DQA0
9
RCLK
Packet Decode
ROWR
ROWA
11 5 5 9
ROP DR BR R
AV
TCLK
Control Registers
RCLK
COLX
6
5
5
Packet Decode
COLC
5
5
5
7
REFR Power Modes DEVID
XOP DX BX COP DC BC C
M
S
COLM
8
8
MB MA
Match
DM
Mux
Row Decode
PRER
ACT
Sense Amp ^{DRAM Core}
64x72
64x72
512x128x144
Internal DQB Data Path
72
Bank 0
72
Bank 1
9
9
•
•
•
Bank 2
•
•
•
Bank 13
9
Bank 14
Bank 15
Match
XOP Decode
PREX
Match
Write
Buffer
Mux
Mux
Column Decode & Mask
PREC
RD, WR
64x72
72
Internal DQA Data Path
72
•
9
9
•
•
9
9
•
•
9
•
Bank 16
Bank 17
Bank 18
•
•
•
Bank 29
Bank 30
Bank 31
9
•
•
•
9
Data Sheet E0039N30 (Ver. 3.0)
5