参数资料
型号: HY5R256HC
英文描述: -|2.5V|8K|40|Direct RDRAM - 256M
中文描述: - |为2.5V | 8K的| 40 |直接RDRAM的- 256M
文件页数: 4/64页
文件大小: 4542K
代理商: HY5R256HC
4
Rev.0.9/Dec.2000
Direct RDRAM
256/288-Mbit (512Kx16/18x32s) Preliminary
Figure 2: 256/288 Mbit Direct RDRAM Block Diagram
Bank 31
DQA8..DQA0
1
8
W
1
W
8
Bank 30
Bank 29
Bank 18
Bank 17
Bank 16
Bank 15
Bank 14
Bank 13
Bank 1
Bank 0
S
1
DQB8..DQB0
9
1:8 Demux
1:8 Demux
Packet Decode
COLC
9
5
3
ROW2..ROW0
COL4..COL0
CTM CTMN
CFM CFMN
2
SCK,CMD
RCLK
TCLK
Control Registers
DC
COP
S
C
BC
MA
MB
DX
XOP
M
BX
DR
R
ROP
AV
BR
8
8
7
5
5
5
5
5
6
9
5
5
11
Write
Buffer
Match
Match
Mux
Match
DM
DEVID
512x128x144
Internal DQB Data Path
Column Decode & Mask
PREC
72
9
9
72
9
REFR
Row Decode
Mux
ACT
RD, WR
Power Modes
DRAM Core
Mux
XOP Decode
PREX
9
9
9
9
72
9
9
9
PRER
COLX
COLM
2
SIO0,SIO1
Sense Amp
64x72
Internal DQA Data Path
Packet Decode
ROWR
ROWA
RCLK
RCLK
R
T
R
T
RQ7..RQ5 or
RQ4..RQ0 or
S
0
S
0
S
S
1
1
S
1
S
S
1
1
S
1
S
S
S
2
3
3
64x72
S
1
72
S
0
S
0
S
S
1
1
S
1
S
S
1
1
S
1
S
S
S
2
3
3
64x72
Bank 2
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