ATAR090G050-TKQWC1

RF Transceiver ICS Overview

The ATAR090G050-TKQWC1 is a 4-bit microcontroller from the ATAR090 family, manufactured by Microchip Technology. It features a MARC4 CPU core with a maximum clock frequency of 4 MHz and operates within a supply voltage range of 1.8 V to 6.5 V. The device includes 2 Kbytes of MROM and 256 bytes of RAM. It provides 12 bidirectional I/O lines and supports an operating temperature range of -40°C to 85°C. Packaged in a lead-free SSOP-20 format, it integrates RF communication capabilities.

RF Transceiver ICS Feature Summary

• Integrates radio frequency transmission and reception functions for wireless data communication.
• Includes multifunction timer/counter with IR remote control carrier generator.
• Supports bi-phase, Manchester, and pulse-width modulator/demodulator modes.
• Features low sleep current consumption below 1 µA.

RF Transceiver ICS Applications

• Infrared (IR) remote control systems
• Radio frequency (RF) data communication modules
• Wireless sensor nodes requiring low power operation

RF Transceiver ICS Procurement Notes

Verify the specific suffix TKQWC1 against the official Microchip datasheet to confirm package type, temperature grade, and lead finish compliance. Ensure the ordering part number matches the required RoHS status and manufacturing revision. Cross-reference the component marking with the datasheet documentation to prevent substitution errors during assembly.

RF Transceiver ICS Selection Notes

Select this component when a combined MCU and RF transceiver solution is required for simple wireless protocols. The 4-bit architecture suits cost-sensitive applications with limited code complexity. Consider the wide supply voltage range for battery-powered designs without complex regulation. Verify that the integrated RF modulation schemes meet the target communication standard requirements.

RF Transceiver ICS Part Context

This device belongs to the ATAR090 series of 4-bit single-chip microcontrollers designed for high integration in communication applications. It combines processing capabilities with RF front-end functions, reducing external component count compared to separate MCU and transceiver solutions. The series targets consumer electronics and industrial remote control interfaces.

RF Transceiver ICS Replacement Considerations

Consult Microchip documentation for direct pin-compatible substitutes within the ATAR090 family. Verify functional equivalence regarding RF parameters and memory size before replacing.