參數(shù)資料
型號: HYB25M128160C
廠商: SIEMENS AG
英文描述: 128-Mbit direct RDRAM(128 Mbit 直接 RDRAM)
中文描述: 128 - Mbit的直接的RDRAM(128兆直接的RDRAM)
文件頁數(shù): 52/93頁
文件大?。?/td> 919K
代理商: HYB25M128160C
Direct RDRAM
128/144-MBit (256K
×
16/18
×
32s)
Data Book
52
2.00
Figure 32
REFB Register
Figure 33
CCA Register
11
0
14
0
0
15
0
0
13 12
Address: 041
16
Control Register: REFB
0
0
10 9
0
0
0
7
8
6
3
0
0
5
4
2
0
Read/write register.
Reset value is zero (from SETR/CLRR).
Refresh Bank register.
REFB4..REFB0 is the bank that will be refreshed
next during self-refresh. REFB4..0 is incremented
after each self-refresh activate and precharge
operation pair.
REFB4...REFB0
1
SPD04256
11
0
14
0
0
15
0
0
13 12
Address: 043
16
Control Register: CCA
0
0
10 9
ASYMA
0
0
7
8
6
3
5
4
2
0
Read/write register.
Reset value is zero (SETR/CLRR or SIO Reset).
CCA6...CCA0 - Current Control A. Controls the
I
OL
output current for the DQA8..DQA0 pins.
ASYMB0 control the asymmetry of the
V
OL
/
V
OH
voltage swing about the V
REF
reference voltage
for the DQA8...0 pins.
CCA6...CCA0
1
SPD04279
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