SN75188N (MC 1488P) PDIP14The SN75188N is a monolithic Quadruple Line Driver designed to interface data terminal equipment with data communications equipment in conformance with ANSI EIA/TIA-232-E using a diode in series with each supply-voltage terminal as shown under typical applications. It is characterized for operation over the full military temperature range of -55 to 125°C., Slew rate control by load capacitor, Flexible supply-voltage range, Input compatible with most TTL circuits, 10mA Typical current-limited output, 300R Minimum power-OFF output impedance, Pb-free product