"The MC1488, SN55188, and SN75188 are monolithic quadruple line drivers designed to interface data terminal equipment with data communications equipment in conformance with ANSI TIA/EIA-232-E, using a diode in series with each supply-voltage terminal as shown under typical applications. The SN55188 is characterized for operation over the full military temperature range of −55°C to 125°C. The MC1488 and SN75188 are characterized for operation from 0°C to 70°C.

Features:

Meet or Exceed the Requirements of ANSI TIA/EIA-232-E and ITU Recommendation V.28
Current-Limited Output: 10 mA Typical
Power-Off Output Impedance: 300 Ω Minimum
Slew Rate Control by Load Capacitor
Flexible Supply-Voltage Range
Input Compatible With Most TTL Circuits
"