DS89C21 - 差动 CMOS 线路驱动器和接收器对

DS89C21是TI德州仪器公司的一款无产品，DS89C21是差动 CMOS 线路驱动器和接收器对，本站介绍了DS89C21的封装应用图解、特点和优点、功能等，并给出了与DS89C21相关的TI元器件型号供参考。

DS89C21 - 差动 CMOS 线路驱动器和接收器对 - 无 - RS-422收发器 - 德州仪器

产品描述

The DS89C21 is a differential CMOS line driver and receiver pair, designed to meet the requirements of TIA/EIA-422-A (RS-422) electrical characteristics interface standard. The DS89C21 provides one driver and one receiver in a minimum footprint. The device is offered in an 8-pin SOIC package.

The CMOS design minimizes the supply current to 6 mA, making the device ideal for use in battery powered or power conscious applications.

The driver features a fast transition time specified at 2.2 ns, and a maximum differential skew of 2 ns making the driver ideal for use in high speed applications operating above 10MHz.

The receiver can detect signals as low as 200 mV, and also incorporates hysteresis for noise rejection. Skew is specified at 4 ns maximum.

The DS89C21 is compatible with TTL and CMOS levels (DI and RO).

产品特性

Meets TIA/EIA-422-A (RS-422) and CCITT V.11 Recommendation
LOW POWER Design—15 mW Typical
Guaranteed AC Parameters:
- Maximum Driver Skew 2.0 ns
- Maximum Receiver Skew 4.0 ns
Extended Temperature Range: −40°C to +85°C
Available in SOIC Packaging
Operates over 20 Mbps
Receiver OPEN Input Failsafe Feature

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