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AT89C51RC2-RLTUM
high-performance 8051-compatible 8-bit microcontroller with 32 KB Flash
Specifications
Key details
| Part Number | AT89C51RC2-RLTUM |
|---|---|
| Manufacturer | Microchip Technology |
| Category | 8-bit Microcontroller |
| Lifecycle Status | Obsolete |
| Series | AT89C51RC2 |
| Package / Case | 44-lead VQFP |
| Pin Count | 44 |
| Operating Temperature | -40°C to +85°C |
| Last Verified | 2026-07-18 |
Overview
Part information
AT89C51RC2-RLTUM Overview
AT89C51RC2-RLTUM is a Microchip Technology high-performance 8051-compatible 8-bit microcontroller with 32 KB Flash supplied in 44-lead VQFP. This page uses the exact orderable code because package, grade, temperature and option suffixes can change compatibility.
Key Technical Specifications
| Core | 8051-compatible 8 bit |
|---|---|
| Program Memory | 32 KB Flash |
| Maximum Clock | Up to 60 MHz family specification |
| Supply Voltage | 2.7 V to 5.5 V |
| Package / Packing | VQFP-44, tape and reel |
Package and Ordering Notes
The listed package is 44-lead VQFP with 44 pins, leads, lands or contacts. The featured image is a generic package illustration for form-factor identification and is not an actual date-code or lot photograph. Lifecycle is recorded as Obsolete; confirm current factory support and last-time-buy constraints before design-in.
Sourcing Guidance
AT89C51RC2-RLTUM is a legacy or obsolete orderable code. Source only with date-code, label, package and traceability checks appropriate to the application.
For an accurate quotation, include the full MPN, target quantity, acceptable date-code range, packaging format and destination. Icearth can help review traceability documents, label photos and electrical/package alignment before order placement.
Manufacturer Documentation
Technical values were checked against Microchip Technology documentation. Use the linked datasheet as the controlling source and re-check revisions before PCB release or firmware qualification.
Sourcing notes
Lifecycle and sourcing review
Obsolete
This part has a legacy lifecycle status. Submit the exact MPN, quantity, delivery destination and date-code requirements for a sourcing review.
AT89C51RC2-RLTUM is a legacy or obsolete orderable code. Source only with date-code, label, package and traceability checks appropriate to the application.
Alternatives
Potential alternative part numbers
Verify package, pinout, voltage, firmware behavior and qualification before substitution.