SN65ALS180DR

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SN65ALS180DR

IC TRANSCEIVER FULL 1/1 14SOIC

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規格

Supplier Texas Instruments
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Transceiver
Protocol RS422, RS485
NumberofDrivers/Receivers 1/1
Duplex Full
ReceiverHysteresis 60 mV
Voltage-Supply 4.75V ~ 5.25V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 14-SOIC (0.154, 3.90mm Width)

概述

Description

SN65ALS180DR is a Texas Instruments RS-485/RS-422 differential transceiver from the SN65ALS family. It provides a single driver/receiver pair that lets a digital device communicate over a balanced twisted-pair bus. Key features typically include differential signaling, DE/RE (driver enable and receiver enable) controls, a fail-safe receiver (ensures a valid logic output when the bus is idle or open), undervoltage lockout, short-circuit protection, and 5-V operation. The DR suffix indicates packaging—D usually means a small-outline package (often 8-pin), and R denotes tape-and-reel packaging. Typical applications are industrial automation, process control, building automation, and any RS-485/RS-422 network requiring reliable, robust single-channel transceiver operation. For exact electrical specs (data rate, input thresholds, supply voltage range) and final packaging details, consult the TI SN65ALS180DR datasheet.

Features

Here are the typical features of TI SN65ALS180DR (RS-485/RS-422 transceiver, 1-channel):
- One differential driver and receiver pair (RS-485/RS-422 compatible)
- 3.0 V to 5.5 V supply operation
- Half-duplex differential bus interface
- Data rate up to about 20 Mbps (high-speed RS-485 range)
- DI, RO, DE, RE control pins for data and direction
- Fail-safe receiver: RO defaults high when input is open, shorted, or idle
- 3-state outputs with enable control
- ESD/EMI robust design for harsh environments
- -40°C to +125°C operation (industrial temperature range)
- 8-pin package (SOP-like) with DR suffix indicating Tape & Reel packaging
Note: Please consult the datasheet for exact electrical characteristics, pinout, and packaging details.

Package

8-pin SOIC (Small Outline Integrated Circuit) package; DR suffix denotes SOIC with Tape & Reel.

Pinout

Pin count: 8 pins.
Function: One-channel differential line transceiver (RS-485/RS-422) with both driver and receiver. It includes DI (driver input), DE (driver enable), RO (receiver output), RE (receiver enable), A and B differential bus pins, plus Vcc and GND. When DE is asserted, the DI input drives the A/B bus; when DE is deasserted and RE is asserted, RO provides the received data from the A/B pair.

Manufacturer

- Manufacturer: Texas Instruments (TI).
- Company type: American multinational semiconductor design and manufacturing company, specializing in analog and embedded processing integrated circuits.

Application

Applications of SN65ALS180DR:
- High-speed differential transceiver for RS-485/RS-422 style networks
- Industrial automation and process control
- Building automation and remote instrumentation
- Data links between microcontrollers/FPGA and peripherals
- Backplane or cabling interconnects requiring robust, low-power differential signaling over twisted pairs

Equivalent

SN65ALS180DR is a differential RS-485/RS-422 transceiver. Drop‑in equivalents include:
- TI: SN65HVD180 (and SN65HVD178)
- Analog Devices: ADM485
- Maxim Integrated: MAX485
Note: verify exact pinout, supply voltage, and fail‑safe features; use a cross‑reference check for packaging/compatibility.

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