The SN75C188 is a monolithic, low-power, quadruple line driver that interfaces data terminal equipment with data communications equipment. This device is designed to conform to ANSI Standard EIA/TIA-232-E.

An external diode in series with each supply-voltage terminal is needed to protect the SN75C188 under certain fault conditions to comply with EIA/TIA-232-E.

The SN75C188 is characterized for operation from 0°C to 70°C.

H = high level, L = low level, X = don't care

• Bi-MOS Technology With TTL and CMOS Compatibility
• Meets or Exceeds the Requirements of ANSI EIA/TIA-232-E and ITU Recommendation V.28
• Very Low Quiescent Current...95 uA Typ VCC± = ±12 V
• Current-Limited Outputs...10 mA Typ
• CMOS-and TTL-Compatible Inputs
• On-Chip Slew Rate Limited to 30 V/us max
• Flexible Supply Voltage Range
• Characterized at VCC± of ±4.5 V and ±15 V
• Functionally Interchangeable With Texas Instruments SN75188, Motorola MC1488, and National Semiconductor DS14C88

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