Microchip Technology · Microchip
AT89C1051U-12PI
IC MCU 8BIT 1KB FLASH 20DIP
A multi-brand MCU and embedded-component workspace. Compare recorded cores, memory, interfaces and packages while retaining firmware, board and manufacturer constraints.
Request this exact part →AT89C1051U-12PI specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | Microchip Technology |
|---|---|
| Ordering code | AT89C1051U-12PI |
| Family | Microchip |
| Package | 20-DIP (0.300", 7.62mm) |
| Product Status | Obsolete |
| DigiKey Programmable | Not Verified |
| Core Processor | 8051 |
| Core Size | 8-Bit |
| Speed | 12MHz |
| Connectivity | UART/USART |
| Peripherals | LED |
| Number of I/O | 15 |
| Program Memory Size | 1KB (1K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | Not provided in source |
| RAM Size | 64 x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 6V |
| Data Converters | Not provided in source |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Through Hole |
| Package / Case | 20-DIP (0.300", 7.62mm) |
| Supplier Device Package | 20-PDIP |
Documents and evidence
AT89C1051U-12PI ↗Catalog sources
www.ic-components.com · AT89C1051U-12PI ↗Source directory identity match; source detail pending. Specifications remain from existing catalog.
Before sourcing AT89C1051U-12PI
- Start from engineering requirements
- Record toolchain and firmware dependencies
- Verify package, pinout and peripherals
- Approve alternatives before procurement
Questions about AT89C1051U-12PI
How do I request a current price?
Provide this full code, quantity, destination and arrival date. Budget estimates are conditional; final availability and price are confirmed by quotation.
Can a related record replace this device?
Related records aid discovery. Package, pinout, ratings, tooling and software require engineering approval before substitution.