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參數(shù)資料
| 型號： | Si9241AEY |
| 廠商： | Vishay Intertechnology,Inc. |
| 英文描述： | Single-Ended Bus Transceiver(提供雙向串行通訊的單端總線收發(fā)器) |
| 中文描述： | 單端總線收發(fā)器（提供雙向串行通訊的單端總線收發(fā)器） |
| 文件頁數(shù)： | 4/5頁 |
| 文件大?。?/td> | 41K |
| 代理商： | SI9241AEY |
1
2
3
4
5
6
7
8
Top View
Narrow Body
SO Package
TX
CS
V
DD
FAULT
V
BAT
K
GND
RX
Si9241AEY
Vishay Siliconix
www.vishay.com
4
Document Number: 70787
S-02936
—
Rev. D, 22-Jan-01
Part Number
Temperature Range
Si9241AEY
–
40 to 125 C
Pin Number
Symbol
Description
1
V
DD
Positive Power Supply
2
TX
Transmit, Input
3
CS
Chip Select, Input
4
FAULT
Fault, Open Drain Output
5
GND
Ground Connection
6
K
Transmit/Receive, Bidirectional
7
V
BAT
Battery Power Supply
8
RX
Receiver, Output
The Si9241AEY can be either in transmit or receive mode and
it contains over temperature, and short circuit V
BAT
fault
detection circuits.
The voltage on K is internally compared to V
BAT/2
. If the
voltage on the K pin is less than V
BAT/2
then RX output will be
“
low.
”
If the voltage on the K pin is greater than V
BAT/2
then RX
output will be
“
high.
”
In order to be in transmit mode, CS must be set
“
low.
”
When
CS and TX are set
“
low
”
the internal MOSFET will turn on,
causing the K pin to be
“
low.
”
In the transmit mode, the
processor monitors RX and TX. When the two mirror each
other there is no fault. In the event of over temperature, or short
circuit to V
BAT
, the Si9241AEY will turn off the K output to
protect the IC and the external open drain FAULT pin will be
asserted. The K pin will stay in high impedance and RX will
follow the K pin. The fault will be reset when CS is toggled high.
RX, CS and TX pins have an internal pull up resistor to V
DD
while the K pin has internal pull down resistors. When any one
of the TX, V
BAT
or GND pins is open the K output is off.
When CS is set
“
high
”
the Si9241AEY is in receive mode and
the internal MOSFET for the K pin is turned off. The RX output
will follow the K pin. If CS is
“
low
”
while the IC is receiving data,
an incorrect fault signal will occur.
To inhibit the short detect, tie CS and TX together.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SI9241AEY | 制造商:Vishay Siliconix 功能描述:IC BUS DRIVER SMD 9241 SOIC8 |
| SI9241AEY_01 | 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:Single-Ended Bus Transceiver |
| SI9241AEY-E3 | 功能描述:IC SINGLE-ENDED BUS TXRX 8SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:75 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SOIC 包裝:管件 |
| SI9241AEY-T1 | 功能描述:總線收發(fā)器 Single Ended Bus Transceiver RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| SI9241AEY-T1-E3 | 功能描述:總線收發(fā)器 Bus Tranceiver RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
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