Microchip Technology AT89C1051U-12SC Microcontroller, Microprocessor, FPGA Modules
IC MCU 8BIT 1KB FLASH 20SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AT89C1051U-12SC
Series
Detailed Description
IC MCU 8BIT 1KB FLASH 20SOIC
Package
20-SOIC (0.295", 7.50mm Width)
Key Features
Package / Case: 20-SOIC (0.295", 7.50mm Width); Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
AT89C1051U-12SC Datasheet
Quick Jump:
Technical Specifications
Microchip Technology AT89C1051U-12SC Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
RAM Size
64 x 8
Package / Case
20-SOIC
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 70°C
Supply Voltage
2.7V ~ 6V
Peripherals
LED
Number of I/O
15
Speed
12MHz
Core Processor
8051
Program Memory Type
Flash
Alternate Parts Comparison (AT89C1051U-12SC vs AT89C1051-24PC vs AT89C52-24JC vs AT89C51-24AC)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 20-SOIC | -- | 44-LCC | 44-TQFP |
| Mounting Type | Surface Mount | -- | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°C | -- | 0°C ~ 70°C | 0°C ~ 70°C |
| Supply Voltage | 2.7V ~ 6V | -- | 4V ~ 6V | 4V ~ 6V |
| Core Processor | 8051 | -- | 8051 | 8051 |
| Core Size | 8-Bit | -- | 8-Bit | 8-Bit |
| RAM Size | 64 x 8 | -- | 256 x 8 | 128 x 8 |
| Connectivity | UART/USART | -- | SIO, UART/USART | UART/USART |
| Number of I/O | 15 | -- | 32 | 32 |
| Oscillator Type | Internal | -- | Internal | Internal |
| Program Memory Size | 1KB (1K x 8) | -- | 8KB (8K x 8) | 4KB (4K x 8) |
| Program Memory Type | Flash | -- | Flash | Flash |
| Action |
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.