GD75188 Quad Line Driver RS232

From the shop's description

Description The GD75188 is a monolithic quadruple line driver designed to interface data terminal equipment with data communication equipment in conformance with the specifications of ElAstandard RS-232C with a diode in series with each supply-voltage terminal as shown under typical applications. The device is characterized for operation from 0°C to 75°C 75188 Pin Configuration Pin No Pin Name Description 1 VCC- Negative Supply Voltage 2 1B Input in 1B 3 1Y Output Pin 1Y 4 2A Input in 2A 5 2B Input in 2B 6 2Y Output Pin 2Y 7 GND Ground pin 8 3Y Output Pin 3Y 9 3A Input in 3A 10 3B Input in 3B 11 4Y Output Pin 4Y 12 4A Input in 4A 13 4B Input in 4B 14 VCC+ Positive Supply Voltage Features Meets Specifications of EIA RS-232C Designed to be Interchangeable with SN75188 Current Limited Output .. 10mA Typical Power-Off Output Impedance … 3002 Min Slew Rate Control by Load Capacitor Flexible Supply Voltage Range Input Compatible with Most TTL and DTL Circuits. GD75188 Datasheet