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參數(shù)資料
| 型號： | DS75176B |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Multipoint RS-485/RS-422 Transceivers |
| 中文描述： | 多點RS-485/RS-422收發(fā)器 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 237K |
| 代理商： | DS75176B |
DS75176B/DS75176BT
Multipoint RS-485/RS-422 Transceivers
General Description
The DS75176B is a high speed differential TRI-STATE
bus/line transceiver designed to meet the requirements of
EIA standard RS485 with extended common mode range
(+12V to 7V), for multipoint data transmission. In addition, it
is compatible with RS-422.
The driver and receiver outputs feature TRI-STATE capabil-
ity, for the driver outputs over the entire common mode
range of +12V to 7V. Bus contention or fault situations that
cause excessive power dissipation within the device are
handled by a thermal shutdown circuit, which forces the
driver outputs into the high impedance state.
DC specifications are guaranteed over the 0 to 70C tem-
perature and 4.75V to 5.25V supply voltage range.
Features
n
Meets EIA standard RS485 for multipoint bus
transmission and is compatible with RS-422.
n
Small Outline (SO) Package option available for
minimum board space.
n
22 ns driver propagation delays.
n
Single +5V supply.
n
7V to +12V bus common mode range permits ±7V
ground difference between devices on the bus.
n
Thermal shutdown protection.
n
High impedance to bus with driver in TRI-STATE or with
power off, over the entire common mode range allows
the unused devices on the bus to be powered down.
n
Pin out compatible with DS3695/A and SN75176A/B.
n
Combined impedance of a driver output and receiver
input is less than one RS485 unit load, allowing up to 32
transceivers on the bus.
n
70 mV typical receiver hysteresis.
Connection and Logic Diagram
00875901
Top View
Order Number DS75176BN, DS75176BTN, DS75176BM or DS75176BTM
See NS Package Number N08E or M08A
TRI-STATE is a registered trademark of National Semiconductor Corp.
July 2004
DS75176B/DS75176BT
Multipoint
RS-485/RS-422
T
ransceivers
2004 National Semiconductor Corporation
DS008759
www.national.com
相關(guān)PDF資料 |
PDF描述 |
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| DS75176BT | Multipoint RS-485/RS-422 Transceivers |
| DS75208 | Dual Line Receivers |
| DS75325N | Memory Drivers |
| DS75325 | Memory Drivers |
| DS75361N | Dual TTL-to-MOS Driver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS75176BJ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Transceiver |
| DS75176BM | 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
| DS75176BM/BN WAF | 制造商:Texas Instruments 功能描述: |
| DS75176BM/NOPB | 功能描述:RS-422/RS-485 接口 IC MULTIPOINT RS-485/ RS-422 XCVR RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
| DS75176BM/NOPB | 制造商:Texas Instruments 功能描述:Transceiver IC |
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