參數(shù)資料
型號(hào): FAN6550M
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 通用總線功能
中文描述: BUS TERMINATOR SUPPORT CIRCUIT, PDSO16
封裝: SOIC-16
文件頁數(shù): 10/12頁
文件大小: 99K
代理商: FAN6550M
FAN6550
PRODUCT SPECIFICATION
10
REV. 1.0.2 3/11/02
Table 2. Termination Solutions Summary By Bus Type
Bus
Description
Gunning
Transceiver
Bus Plus
Driving
Method
Open Drain
VDDQ
3.3V
Note 10
VTT
V
REF
1.0V±2%
Note 11
Fairchild
Solutions
FAN6550;
Mode: V
REF
Input = 1.5V,
V
CC
= 3.3V
Industry
System
Components
300 to 500MHz
Processor;
PC Chipsets;
GTLP 16xxx
Buffers;
Fairchild,
Texas Instr.
DDR SDRAM;
Hitachi,
Fujitsu,
NEC, Micro,
Mitsubishi
GTL+
1.5V±10%
Note12
DDR
(SSTL-2)
Series Stub
Terminated
Logic for 2V
Symmetric
Drive,
Series
Resistance
2.5V±10%
0.5x
(V
DDQ
)
±3%
2.5V
FAN6550,
ML6554CU,
or ML6553CS;
Mode: V
REF
Input = Floating
or Forced,
V
CC
= 3.3V
ML6553CS;
Mode: V
REF
Input = Open,
V
CC
= V
DDQ
ML6553CS;
Mode: V
REF
Input = Open,
VCC = VDDQ
RAMBUS
RAMBUS
Signaling
Logic
Open Drain
None
Speci
fi
ed
2.5V
2.0V
nDRAM,
RAMBUS,
Intel, Toshiba
LV-TTL
Low Voltage
TTL Logic or
PECL or
3.3V VME
Symmetric
Drive
3.3±10%
V
DDQ
/2
3.3V
Processors or
backplanes;
LV-TTL
SDRAM,
EDO RAM
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