ST78C36CJ44TR-F

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The ST78C36CJ44TR-F is a quad-channel UART interface integrated circuit manufactured by MaxLinear, Inc. It features four independent asynchronous serial communication channels within a single package. The device supports data rates up to 1.5 Mbps and operates with a supply voltage range of 3.0 V to 5.5 V. Each channel includes a 16-byte transmit FIFO and a 16-byte receive FIFO to enhance throughput and reduce CPU overhead. The component is housed in a 44-pin PLCC (Plastic Leaded Chip Carrier) surface-mount package, designated as the TR suffix indicating reel packaging. It complies with RoHS standards and is designed for industrial temperature ranges.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Quad-channel architecture providing four independent UART interfaces
• Integrated 16-byte FIFOs for both transmission and reception per channel
• Internal oscillator and timer/counter functionality
• Support for standard RS-232 and RS-485 communication protocols

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• Industrial automation control systems requiring multiple serial ports
• Telecommunications equipment with multi-line interface needs
• Embedded systems with high-density serial communication requirements
• Point-of-sale terminals and payment systems

UARTs (Universal Asynchronous Receiver Transmitter) Procurement Notes

Verify the specific ordering suffix and manufacturer documentation before procurement. Confirm that the 44-PLCC package matches the target PCB footprint. Check current availability status as this component may be subject to discontinuation or limited stock. Ensure compatibility with the required operating voltage and temperature range for the intended application environment.

UARTs (Universal Asynchronous Receiver Transmitter) Selection Notes

Select this component when a design requires four distinct UART interfaces in a compact form factor. Compare against dual-channel alternatives if fewer ports are sufficient to reduce cost. Verify that the 16-byte FIFO depth meets the system's latency and throughput requirements. Consider the PLCC package constraints during PCB layout and assembly process planning.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

This part belongs to the ST78C36 series of quad UARTs from MaxLinear (formerly Exar/Sipex). It is functionally similar to other industry-standard quad UARTs but offers specific integration features like internal oscillators. The ST78C36CJ44TR-F represents the tape-and-reel version of the standard ST78C36CJ44, facilitating automated surface-mount assembly processes.

UARTs (Universal Asynchronous Receiver Transmitter) Replacement Considerations

Direct pin-to-pin replacements may include the XR82C684CJTR-F or ST16C2550 variants, though electrical characteristics and FIFO depths differ. Verify register compatibility and timing parameters before substituting. Consult official datasheets for any functional differences in modem control signals or interrupt handling.