
8-bit microcontroller (MCU) with 12KB FLASH memory and 256B RAM. Features an 8051 core architecture operating at up to 24MHz, with an 8-bit address and data bus. Offers 32 I/Os, 1 SPI channel, 1 UART channel, and 3 timers/counters. Includes POR and WDT peripherals. Packaged in a 44-TQFP surface mount case, operating from 2.7V to 5.5V, with an access time of 24µs.
Microchip AT89S8253-24AU technical specifications.
| Access Time | 24us |
| Address Bus Width | 8b |
| Package/Case | TQFP |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Density | 12KB |
| Frequency | 24MHz |
| Height | 1.05mm |
| Interface | SPI, UART |
| Lead Free | Lead Free |
| Length | 10.1mm |
| Max Frequency | 24MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 12KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 2.7V |
| Mount | Surface Mount |
| Number of Bits | 8 |
| Number of I/Os | 32 |
| Number of SPI Channels | 1 |
| Number of Timers/Counters | 3 |
| Number of UART Channels | 1 |
| Oscillator Type | External |
| Peripherals | POR, WDT |
| Radiation Hardening | No |
| RAM Size | 256B |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Watchdog Timer | Yes |
| Width | 10.1mm |
| RoHS | Compliant |
Download the complete datasheet for Microchip AT89S8253-24AU to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.
