MICRF002YM Equivalent & Substitute Parts

Part Overview

The MICRF002YM is a QwikRadio® RF receiver IC designed for ASK/OOK modulation in the 300–440 MHz frequency band with -95 dBm sensitivity and 10 kbps maximum data rate. This component is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production support. Substitute parts are selected based on functional compatibility in frequency range, modulation support, data rate capability, and physical mounting requirements.

Substiute Parts

MICRF002YM

Microchip TechnologyIn Stock: 2000MICRF002YM Datasheet

Current PartRFQ

ATA8510-GHQW

Microchip TechnologyIn Stock: 2634ATA8510-GHQW Datasheet

MFR RecommendedRFQ

ATA8515-GHQW

Microchip TechnologyIn Stock: 1699ATA8515-GHQW Datasheet

MFR RecommendedRFQ

MICRF219AYQS

Microchip TechnologyIn Stock: 1630MICRF219AYQS Datasheet

MFR RecommendedRFQ

MICRF220AYQS

Microchip TechnologyIn Stock: 22314MICRF220AYQS Datasheet

MFR RecommendedRFQ

MICRF230YQS

Microchip TechnologyIn Stock: 1555MICRF230YQS Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the MICRF002YM is determined by the following critical parameters:

• Frequency Coverage: Substitute parts must support the 300–440 MHz band or a compatible subset (315 MHz, 433 MHz, 868 MHz, 915 MHz)
• Modulation Support: ASK and OOK modulation capability required
• Sensitivity: Minimum -95 dBm or better
• Data Rate: Support for 10 kbps or higher
• Supply Voltage Compatibility: Operating voltage range must overlap or be compatible with system design
• Package and Mounting: Surface mount configuration required
• Regulatory Compliance: ROHS3 compliance and EAR99 classification maintained

Substitute parts are grouped into two categories:

Category 1: Direct RF Receiver Replacements

• MICRF219AYQS, MICRF220AYQS, MICRF230YQS
• These are single-function RF receivers with similar pinout and package compatibility
• Suitable for direct board-level substitution with minimal redesign

Category 2: Integrated TxRx + MCU Solutions

• ATA8510-GHQW, ATA8515-GHQW
• These are combined transceiver and microcontroller units
• Require system redesign but offer enhanced functionality and integration

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Minimal Redesign)

MICRF220AYQS is the primary substitute for MICRF002YM in applications requiring RF receiver functionality only. This part maintains ASK/OOK modulation support, covers the 300–450 MHz band, and provides superior sensitivity (-112.5 dBm vs. -95 dBm). The 16-QSOP package requires PCB layout adjustment but eliminates the need for system architecture changes. Supply voltage differs (3–3.6 V vs. 4.75–5.5 V), requiring voltage regulation redesign. Product status is active with full ROHS3 compliance.

MICRF219AYQS offers equivalent functionality with identical data rate (10 kbps) and lower sensitivity (-110 dBm). This part is suitable when the original 10 kbps specification is critical and higher sensitivity is not required. Active product status ensures long-term availability.

MICRF230YQS is limited to 433.92 MHz fixed frequency operation and is suitable only for applications operating exclusively at this frequency. ISM modulation differs from ASK/OOK, requiring protocol verification before selection.

For Integrated Solutions (System Redesign)

ATA8510-GHQW and ATA8515-GHQW combine RF transceiver and microcontroller functionality in a 32-VFQFN package. These parts support ASK and FSK modulation across 315, 433, 868, and 915 MHz bands. Superior sensitivity (-125 dBm) and integrated MCU capability enable system consolidation. Supply voltage range (1.9–3.6 V) differs significantly from MICRF002YM, requiring complete power architecture redesign. Both parts maintain ROHS3 compliance and active product status. ATA8515-GHQW has MSL 3 rating (168 hours) versus ATA8510-GHQW MSL 1 (unlimited).

Frequently Asked Questions (FAQ)

Q: Can MICRF220AYQS directly replace MICRF002YM on the same PCB?

A: No. While both are 16-pin surface mount RF receivers, MICRF002YM uses 16-SOIC packaging and MICRF220AYQS uses 16-QSOP packaging. Pinout compatibility must be verified, and PCB layout modifications are required. Supply voltage differs (4.75–5.5 V vs. 3–3.6 V), necessitating voltage regulation changes.

Q: What is the key difference between MICRF219AYQS and MICRF220AYQS?

A: Both support 300–450 MHz and ASK/OOK modulation. MICRF220AYQS provides higher sensitivity (-112.5 dBm vs. -110 dBm) and double the data rate (20 kbps vs. 10 kbps). MICRF220AYQS includes RSSI (Received Signal Strength Indicator) functionality. Selection depends on application requirements for sensitivity and data rate.

Q: Why do ATA8510-GHQW and ATA8515-GHQW require system redesign?

A: These are integrated TxRx + MCU devices in 32-VFQFN packages, fundamentally different from the single-function RF receiver MICRF002YM. They require firmware development, different PCB layout, and system architecture changes. They are suitable for new designs requiring transceiver and processing capability, not direct replacement scenarios.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and EAR99 classification, matching the regulatory status of MICRF002YM.

Q: Which substitute part has the best sensitivity?

A: ATA8510-GHQW and ATA8515-GHQW both provide -125 dBm sensitivity, superior to MICRF002YM (-95 dBm). Among single-function RF receivers, MICRF220AYQS offers the best sensitivity at -112.5 dBm.

Q: What is the moisture sensitivity level (MSL) difference between ATA8510-GHQW and ATA8515-GHQW?

A: ATA8510-GHQW has MSL 1 (unlimited shelf life), while ATA8515-GHQW has MSL 3 (168-hour floor life after moisture exposure). MSL 1 is preferred for long-term storage and supply chain flexibility.