
8-bit microcontroller (MCU) featuring an 8051 core architecture and operating at up to 24MHz. This integrated circuit offers 12KB of FLASH memory, 256 bytes of RAM, and an 8-bit address and data bus. Equipped with SPI, UART, and USART interfaces, it includes 32 I/Os, one SPI channel, one UART channel, and three timers/counters. The device supports through-hole mounting in a DIP package, with a supply voltage range of 2.7V to 5.5V and an operating temperature range of -40°C to 85°C. It is lead-free and RoHS compliant, with integrated POR and WDT peripherals.
Microchip AT89S8253-24PU technical specifications.
| Access Time | 24us |
| Address Bus Width | 8b |
| Package/Case | DIP |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Frequency | 24MHz |
| Height | 4.445mm |
| Interface | SPI, UART, USART |
| Lead Free | Lead Free |
| Length | 52.58mm |
| Max Frequency | 24MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 12KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 2.7V |
| Mount | Through Hole |
| Number of I/Os | 32 |
| Number of SPI Channels | 1 |
| Number of Timers/Counters | 3 |
| Number of UART Channels | 1 |
| Oscillator Type | External |
| Packaging | Rail/Tube |
| Peripherals | POR, WDT |
| RAM Size | 256B |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | 89S |
| Watchdog Timer | Yes |
| Width | 13.97mm |
| RoHS | Compliant |
Download the complete datasheet for Microchip AT89S8253-24PU to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.
