Texas Instruments SN75C3238 3-V To 5.5-V Multichannel RS-232 Line Driver/Receiver SN75C3238PW

The SN75C3238PW is a multichannel RS-232 line driver/receiver designed to operate with a supply voltage ranging from 3 V to 5.5 V. It features five line drivers and three line receivers, along with a dual charge-pump circuit that provides ±15-kV ESD protection on the serial-port connection pins. This device supports data signaling rates from 250 kbit/s to 1 Mbit/s and includes an always-active noninverting output (ROUT1B) for applications that require continuous data transmission even when powered down. The SN75C3238PW incorporates an auto-powerdown plus feature, which reduces standby current to 1 µA when inactive for 30 seconds, enhancing battery life in portable applications. It is suitable for various applications, including battery-powered systems, PDAs, laptops, and modems. The device is inter-operable with other Texas Instruments RS-232 products, such as the SN65C3243 and SN75C3243, making it a versatile choice for engineers looking to implement RS-232 communication in their designs.