Microchip Technology 89C | Microchip Technology
89C series from Microchip Technology
Overview
Compare 89C Variants
Side-by-side comparison of 10 product variants from Microchip Technology
| Parameter | AT89C1051-24PC | AT89C55WD-24JU | AT89C51RD2-SLRUM | AT89C51RC-24PU | AT89C51AC3-SLSUM | AT89C51RC2-SLRUL | AT89C51RC2-3CSUM | AT89C51CC01CA-SLSUM | AT89C51CC02CA-TISUM | AT89C51RC2-SLRUM |
|---|---|---|---|---|---|---|---|---|---|---|
| Package / Case | - | 44-LCC (J-Lead) | 44-LCC (J-Lead) | 40-DIP (0.600", 15.24mm) | 44-LCC (J-Lead) | 44-LCC (J-Lead) | 40-DIP (0.600", 15.24mm) | 44-LCC (J-Lead) | 28-SOIC (0.295", 7.50mm Width) | 44-LCC (J-Lead) |
| Operating Temperature | - | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Connectivity | - | UART/USART | SPI, UART/USART | SPI, UART/USART | UART/USART | SPI, UART/USART | SPI, UART/USART | CANbus, UART/USART | CANbus, UART/USART | SPI, UART/USART |
| Core Processor | - | 8051 | 80C51 | 8051 | 80C51 | 80C51 | 80C51 | 80C51 | 80C51 | 80C51 |
| Core Size | - | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| Number of I/O | - | 32 | 34 | 32 | 36 | 32 | 32 | 34 | 20 | 32 |
| Oscillator Type | - | Internal | External | Internal | External | External | External | External | External | External |
| Peripherals | - | WDT | POR, PWM, WDT | WDT | POR, PWM, WDT | POR, PWM, WDT | POR, PWM, WDT | POR, PWM, WDT | POR, PWM, WDT | POR, PWM, WDT |
| Program Memory Size | - | 20KB (20K x 8) | 64KB (64K x 8) | 32KB (32K x 8) | 64KB (64K x 8) | 32KB (32K x 8) | 32KB (32K x 8) | 32KB (32K x 8) | 16KB (16K x 8) | 32KB (32K x 8) |
| Program Memory Type | - | Flash | Flash | Flash | Flash | Flash | Flash | Flash | Flash | Flash |
| RAM Size | - | 256 x 8 | 2K x 8 | 512 x 8 | 2.25K x 8 | 1.25K x 8 | 1.25K x 8 | 1.25K x 8 | 512 x 8 | 1.25K x 8 |
| Speed | - | 24MHz | 60MHz | 24MHz | 60MHz | 40MHz | 60MHz | 40MHz | 40MHz | 60MHz |
| Supplier Device Package | - | 44-PLCC (16.6x16.6) | 44-PLCC (16.6x16.6) | 40-PDIL | 44-PLCC (16.6x16.6) | 44-PLCC (16.6x16.6) | 40-PDIL | 44-PLCC (16.6x16.6) | 28-SOIC | 44-PLCC (16.6x16.6) |
| Supply Voltage | - | 4.5V ~ 5.5V | 2.7V ~ 5.5V | 4V ~ 5.5V | 3V ~ 5.5V | 2.7V ~ 3.6V | 2.7V ~ 5.5V | 3V ~ 5.5V | 3V ~ 5.5V | 2.7V ~ 5.5V |
| Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote |
Selection Guide
Package
44-LCC (J-Lead)→AT89C55WD-24JUAT89C51RD2-SLRUMAT89C51AC3-SLSUMAT89C51RC2-SLRULAT89C51CC01CA-SLSUMAT89C51RC2-SLRUM
40-DIP (0.600", 15.24mm)→AT89C51RC-24PUAT89C51RC2-3CSUM
28-SOIC (0.295", 7.50mm Width)→AT89C51CC02CA-TISUM
Base Numbers
| Base Number | Description | Variants | Status | Action |
|---|---|---|---|---|
| AT89C | AT89C variants from Microchip Technology | 24 MPNs | Active | View Details |