UPD488448FB-C80-45-DQ2 Просмотр технического описания (PDF) - NEC => Renesas Technology
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UPD488448FB-C80-45-DQ2 Datasheet PDF : 80 Pages
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µPD488448 for Rev. P
Block Diagram
DQB7..DQB0
8
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
DQA7..DQA0
8
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
6
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
32x64
32x64
512x64x128
Internal DQB Data Path
64
Bank 0
64
Bank 1
8
8
•
•
•
Bank 2
•
•
•
Bank 13
8
Bank 14
Bank 15
Match
XOP Decode
PREX
Match
Write
Buffer
Mux
Mux
Column Decode & Mask
PREC
RD, WR
32x64
64
Internal DQA Data Path
64
•
8
8
•
•
8
8
•
•
8
•
Bank 16
Bank 17
Bank 18
•
•
•
Bank 29
Bank 30
Bank 31
8
•
•
•
8
6
Data Sheet M14837EJ3V0DS00
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