Microchip Technology AT89C51RE2-SLRUM
IC MCU 8BIT 128KB FLASH 44PLCC
Answer first: this page is a purchasing reference for the exact part number AT89C51RE2-SLRUM from Microchip Technology. Use it to start datasheet, package, manufacturer and RFQ verification; do not treat page text as a live stock, price or lead-time promise.
Key Parameters
| Part Number | AT89C51RE2-SLRUM |
|---|---|
| Manufacturer | Microchip Technology |
| Category | Microcontrollers |
| package | 44-LCC (J-Lead) |
| series | 89C |
| packaging | Tape & Reel (TR) |
| product status | Obsolete |
| param 1 | Verified |
| param 2 | 80C51 |
| param 3 | 8-Bit |
| param 4 | 60MHz |
| param 5 | I2C, SPI, UART/USART |
| param 6 | POR, PWM, WDT |
| param 7 | 34 |
| param 8 | 128KB (128K x 8) |
| param 9 | FLASH |
| param 10 | - |
| param 11 | 8K x 8 |
| param 12 | 2.7V ~ 5.5V |
| param 13 | - |
| param 14 | External |
| param 15 | -40°C ~ 85°C (TA) |
| param 16 | - |
| param 17 | - |
| param 18 | Surface Mount |
| param 19 | 44-PLCC (16.6x16.6) |
Parameters are provided for purchasing review. Confirm package, suffix, lifecycle status, datasheet revision and approved substitutes before ordering.
How to Verify AT89C51RE2-SLRUM Before Ordering
Datasheet and parameter checks
- Confirm the full manufacturer part number, not only a shortened search keyword.
- Compare package, pinout, dimensions, voltage or rating fields, temperature range and compliance wording against the released BOM.
- Use the manufacturer datasheet or drawing for electrical and mechanical limits before approving a substitute.
RFQ fields SENICO needs
- Send exact part number, manufacturer, quantity, target delivery date, destination and required packaging.
- State whether alternates are allowed, and list any date-code, certificate, traceability or customer AVL requirement.
- Keep exact stock, factory lead time and proposed alternatives in separate quote lanes.
For AT89C51RE2-SLRUM, SENICO recommends checking manufacturer marking, package, date code, requested quantity, approved vendor requirements and replacement risk before issuing a purchase order. If a supplier suggests an equivalent, record the changed fields and approval owner before comparing price.
We do not treat displayed data as a real-time stock or price commitment. The RFQ reply is the verified commercial reference.
Related buying guides: stock and lead-time verification, equivalent IC comparison, and BOM RFQ preparation.