AT89C51ED2-RLTUM Microchip Integrated Circuit (Quad Flat Packages) In Stock
AT89C51ED2-RLTUM, 8 bit 8051 Microcontroller 40MHz 64kb Flash, 256, 1792B RAM, SPI 44-Pin VQFP
- Manufacturer
- Microchip
- Package
- Quad Flat Packages
- Pin Count
- 44
- Lifecycle
- OBSOLETE
- Datasheet
- AT89C51ED2-RLTUM Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $6.3501(MOQ 10)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Has ADC | NO |
| Additional Feature | OPERATES AT 2.7V MINIMUM SUPPLY @ 40 MHZ |
| Address Bus Width | 16 |
| Bit Size | 8 |
| CPU Family | 8051 |
| Clock Frequency-Max | 40MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| External Data Bus Width | 8 |
| JESD-30 Code | S-PQFP-G44 |
| JESD-609 Code | e3 |
| Number of I/O Lines | 32 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | QFP44,.47SQ,32 |
| Package Shape | SQUARE |
| Package Style | FLATPACK, LOW PROFILE |
| Qualification Status | Not Qualified |
| RAM (bytes) | 2048 |
| ROM (words) | 65536 |
| ROM Programmability | FLASH |
| Speed | 60MHz |
| Supply Current-Max | 29mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 5V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | MATTE TIN |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.8mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the price of AT89C51ED2-RLTUM?
AT89C51ED2-RLTUM is priced from $6.3501 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.
Is AT89C51ED2-RLTUM in stock?
AT89C51ED2-RLTUM is currently available at FindMyChip. We maintain stock from authorized distributors and ship worldwide with typical 3-7 business day lead time.
Where can I buy AT89C51ED2-RLTUM?
You can buy AT89C51ED2-RLTUM from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for AT89C51ED2-RLTUM from Microchip.
What is the datasheet for AT89C51ED2-RLTUM?
The official AT89C51ED2-RLTUM datasheet from Microchip contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.
What package does AT89C51ED2-RLTUM come in?
AT89C51ED2-RLTUM is available in Quad Flat Packages packaging. See the package diagram and pinout above for detailed dimensional information.
Related Guides
TPS61291DRVR Selection Guide: Low-Quiescent-Current Boost Converters for IoT and Wearables
How to select the TPS61291DRVR and low-Iq boost converters for IoT, wearables, and coin-cell designs. Compares specs, packages, and alternatives from TI, ADI, and Microchip.
May 13, 2026
TMS5704357BZWTQQ1 Selection Guide: Choosing the Right TMS570 Automotive MCU Variant
Compare TMS570 automotive MCU variants by ASIL level, flash, package, and peripherals. Find the right fit from entry-level LQFP to the ASIL-D TMS5704357BZWTQQ1.
May 13, 2026
TI Hercules TMS5704357BZWTQQ1 Design Guide for Automotive ASIL-D and Industrial Functional Safety
Complete integration guide for the TI Hercules TMS5704357BZWTQQ1 dual-core lockstep Cortex-R5F MCU: lockstep CPU, ECC RAM, FlexRay/CAN-FD, and ASIL-D pitfalls.
May 12, 2026
PTN78000WAH Selection Guide: Choosing the Right 1.5 A 36 V Step-Down Power Module
Compare PTN78000WAH against PTN78000WAS, PTN78060WAH, and other 1.5A 36V step-down modules. Covers package, current rating, efficiency, and drop-in replaceability.
May 12, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from Microchip
AT25DF321A-SH-B
Small Outline Packages
Integrated Circuit
MIC2009A-1YM6-TR
SOT23 (6-Pin)
Integrated Circuit
MIC29300-5.0WT
Transistor Outline, Vertical
Undefined or Miscellaneous
MIC5303-1.8YMT-TR
Small Outline No-lead
Integrated Circuit
MIC5355-SGYMME
Small Outline Packages
Integrated Circuit
MIC5356-S4YMME
Small Outline Packages
Integrated Circuit
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 10+ | $38.5830 | $385.83 |
| 12+ | $16.7020 | $200.42 |
| 16+ | $16.1452 | $258.32 |
| 21+ | $14.4750 | $303.97 |
| 160+ | $6.3501 | $1016.01 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”