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參數(shù)資料
| 型號(hào)： | FM3570M20 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 2mm TERMINAL STRIP |
| 中文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, PDSO20 |
| 封裝： | PLASTIC, SOP-20 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大小： | 93K |
| 代理商： | FM3570M20 |
1
www.fairchildsemi.com
F
R
FM3570 Rev. A
FM3570
CPU CONFIGURATION CONTROLLER
Register/Multiplexer for Microprocessor VID
General Description
The Fairchild FM3570 replaces the CPU motherboard’s configu-
ration switches with an electronic implementation consisting of a
4/5-bit multiplexed, 1-bit latched port, standard 2-wire bus inter-
face, and non-volatile latches.
The FM3570 multiplexes the I-port input signals with two internal
non-volatile registers that can be loaded through the serial port.
The multiplexer is selected via the serial port and defaults to the
I-port upon power-up. Pull-up resistors are provided on the input
port to accommodate connections to open-drain outputs and to
eliminate the need for external resistors. The device has open-
drain outputs for easy interface to devices with different V
DD
levels.
Block Diagram
Preliminary
March 2001
SOPRA
SOPRB
IIC
Interface
Start/Stop
Logic
Shift
Register
Slave Address
Register
Comparator
Control Logic
Mux3
Mux2
Non_Mux_Out
Y[4:0]
Mux1
I[4:0]
IIC Read Logic
SDA
SCL
ASEL
OVRD
MUXSEL
MXSB, MXSA
The serial port is an IIC compatible slave-only interface and
supports both 100kbit and 400kbit modes of operation. The port
is used to read the I-Port, write data to the internal non-volatile
registers and select whether the I-port or one of the internal non-
volatile registers is output to the Y-port. The FM3570 is fabricated
with advanced CMOS technology to achieve high density and low
power operation.
Features
I
Extended Operating Voltage Range 3.0V-5.5V
I
IIC Compatible Slave Interface.
I
ESD performance: Human body model > 2000V
I
Choice of 2.5V Outputs or Open-Drain Outputs
2001 Fairchild Semiconductor Corporation
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FM3570M20_Q | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 4/5-Bit Multiplexed 1Bit Latched Port RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| FM3570M20X | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 4/5-Bit Multiplexed 1Bit Latched Port RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| FM3570MT20 | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 4/5-Bit Multiplexed 1Bit Latched Port RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| FM3570MT20X | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 4/5-Bit Multiplexed 1Bit Latched Port RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| FM358 | 制造商:Black Box Corporation 功能描述:GigaStation Snap Fittings, Blank (10-Pack), Black |
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