ChongMing Group (HK) Int'l Co., Ltd
CHONGMING GROUP (HK) INT'L CO., LTD.
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SN65LBC173ADR UART Interface IC RS-422/RS-485 Interface IC Quad Differential Line Receivers
Feature
D Designed for TIA/EIA-485, TIA/EIA-422, and ISO 8482 Applications
D Signaling Rate† Exceeding 50 Mbps
D Fail-Safe in Bus Short-Circuit, Open-Circuit, and Idle-Bus Conditions
D ESD Protection on Bus Inputs Exceeds 6 kV
D Common-Mode Bus Input Range –7 V to 12 V
D Low Standby Power Consumption <20 μA
D Pin-Compatible Upgrade for AM26LS32,
Description
The SN65LBC173A and SN75LBC173A are 1A quadruple differential line receivers with 3-state outputs, designed for TIA/EIA-485 (RS-485), TIA/EIA-422 (RS-422), and ISO 8482 (Euro RS-485) applications.
Each receiver operates over a wide range of positive and negative common-mode input voltages, and features ESD protection to 6 kV, making it suitable for high-speed multipoint data transmission applications in harsh environments. These devices are designed using LinBiCMOSt, facilitating low power consumption and robustness.
The G and G inputs provide enable control logic for either positive- or negative-logic enabling all four drivers. When disabled or powered off, the receiver inputs present a high-impedance to the bus for reduced system loading.
The SN75LBC173A is characterized for operation over the temperature range of 0°C to 70°C. The SN65LBC173A is characterized over the temperature range from −40°C to 85°C.