8-Bit Microcontroller, featuring an 8051 CPU core and 20MHz clock speed. This CMOS device offers 4KB FLASH ROM and 128 bytes RAM, with 32 programmable I/O lines. It operates within an industrial temperature range of -40°C to 85°C and supports a supply voltage from 4V to 6V. Packaged in a 40-pin PDIP (R-PDIP-T40) with a 0.600-inch width, it includes an 8-bit external data bus and a 16-bit address bus.
Sign in to ask questions about the Atmel AT89C51-20PI datasheet using AI. Get instant answers about specifications, features, and technical details, ideal for finding information in larger documents.
Sign In to ChatWidest selection of semiconductors and electronic components in stock and ready to ship ™
Atmel AT89C51-20PI technical specifications.
| Max Operating Temperature | 85 |
| Number of Terminals | 40 |
| Min Operating Temperature | -40 |
| Terminal Position | DUAL |
| JEDEC Package Code | R-PDIP-T40 |
| Width | 15.24 |
| Length | 52.2 |
| Pin Count | 40 |
| Temperature Grade | INDUSTRIAL |
| Supply Voltage-Nom | 5 |
| Supply Voltage-Min | 4 |
| Supply Voltage-Max | 6 |
| Clock Frequency-Max | 24 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
| Number of I/O Lines | 32 |
| External Data Bus Width | 8 |
| Address Bus Width | 16 |
| Bit Size | 8 |
| Speed | 20 |
| ROM Programmability | FLASH |
| ROM (words) | 4096 |
| RAM (bytes) | 128 |
| PWM Channels | NO |
| Has ADC | NO |
| DMA Channels | NO |
| DAC Channels | NO |
| RoHS | No |
| HTS Code | 8542.31.00.01 |
| REACH | unknown |
| Military Spec | False |
Download the complete datasheet for Atmel AT89C51-20PI to view detailed technical specifications.
The embedded preview will load automatically when this section scrolls into view.
