Datasheet > SN65176BDR

SN65176BDR

更新时间： 2024-11-15 17:15:23

品牌	Logo	应用领域
友台半导体 - UMW		/
页数	文件大小	规格书
6页	1054K
描述
RS-485 / RS-422芯片

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数据手册

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SN65176BDR 数据手册

SN75176B/

SN65176B

UMW

SN75176B/SN65176B Multipoint RS-485/RS-422 Transceivers

FEATURES

DESCRIPTION

The SN75176B / SN65176B 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.

•

Meets EIA Standard RS485 for Multipoint Bus

Transmission and is Compatible with RS-422.

•

Small Outline (SOIC) Package Option Available

for Minimum Board Space.

22 ns Driver Propagation Delays.

Single +5V Supply.

•

The driver and receiver outputs feature TRI-STATE

capability, 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

•

−7V to +12V Bus Common Mode Range

Permits ±7V Ground Difference Between

Devices on the Bus.

Thermal Shutdown Protection.

•

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.

Combined Impedance of a Driver Output and

the high impedance state.

DC specifications are guaranteed over the

-40° 105°C

temperature and 4.75V to 5.25V supply voltage

range.

•

Receiver Input is Less Than One RS485 Unit

Load, Allowing up to 32 Transceivers on the

Bus.

•

70 mV Typical Receiver Hysteresis.

Connection and Logic Diagram

Figure 1. Top View

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam

during storage or handling to prevent electrostatic damage to the MOS gates.

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