Part A
AT89C51ED2-SLSUM
アトメル
- Lifecycle
- Active
- Stock
- 4760 個数
- Package
- PLCC-44
- Series
- 組み込み - マイクロコントローラ
Parts at a glance
Part B
AT89C51RB2-SLSIM
マイクロチップ・テクノロジー
- Lifecycle
- Active
- Stock
- 4916 個数
- Package
- LCC-44
- Series
- 組み込み - マイクロコントローラ
Need help validating a replacement?
Send your BOM and application constraints for technical and sourcing review.
Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AT89C51ED2-SLSUM | AT89C51RB2-SLSIM |
|---|---|---|
| Supplier | - | Microchip Technology |
| Series | 89C | 89C |
| Part Status | Active | Obsolete |
| Core Processor | 80C51 | 80C51 |
| Core Size | 8-Bit | 8-Bit |
| Speed | 60MHz | 60MHz |
| Connectivity | SPI, UART/USART | SPI, UART/USART |
| Peripherals | POR, PWM, WDT | POR, PWM, WDT |
| Number of I/O | 34 | 32 |
| Program Memory Size | 64KB (64K x 8) | 16KB (16K x 8) |
| Program Memory Type | FLASH | FLASH |
| RAM Size | 2K x 8 | 1.25K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Oscillator Type | External | External |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| EEPROM Size | 2K x 8 | - |