Electrical Circuit Board Chips High Speed 75ALS180 SN75ALS180

Electrical Circuit Board Chips High Speed 75ALS180 SN75ALS180

75ALS180 SN75ALS180 DIFFERENTIAL DRIVER AND RECEIVER PAIRS

FEATURES

Meet or Exceed the Requirements of TIA/EIA-422-B, TIA/EIA-485-A† and ITU Recommendation V.11

High-Speed Advanced Low-Power Schottky Circuitry

Designed for 25-Mbaud Operation in Both Serial and Parallel Applications

Low Skew Between Devices . . . 6 ns Max

Low Supply-Current Requirements . . . 30 mA Max

Individual Driver and Receiver I/O Pins With Dual VCC and Dual GND

Wide Positive and Negative Input/Output Bus Voltage Ranges

Driver Output Capacity . . . ±60 mA

Thermal Shutdown Protection

Driver Positive- and Negative-Current Limiting

Receiver Input Impedance . . . 12 kΩ Min Receiver Input Sensitivity . . . ±200 mV Max

Receiver Input Hysteresis . . . 60 mV Typ

Operate From a Single 5-V Supply

Glitch-Free Power-Up and Power-Down Protection

description/ordering information

The SN65ALS180 and SN75ALS180 differential driver and receiver pairs are integrated circuits designed for bidirectional data communication on multipoint bus-transmission lines. They are designed for balanced transmission lines and meet TIA/EIA-422-B, TIA/EIA-485-A, and ITU Recommendation V.11.

The SN65ALS180 and SN75ALS180 combine a 3-state differential line driver and a differential input line receiver, both of which operate from a single 5-V power supply. The driver and receiver have active-high and active-low enables, respectively, that can be connected together externally to function as a direction control. The driver differential outputs and the receiver differential inputs are connected to separate terminals for greater flexibility and are designed to offer minimum loading to the bus when the driver is disabled or VCC = 0. These ports feature wide positive and negative common-mode voltage ranges, making the device suitable for party-line applications.

‡ All typical values are at VCC = 5 V and TA = 25°C

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