The AT89S8253-24AU is an 8-bit microcontroller featuring 12K bytes of In-System Programmable (ISP) Flash program memory and 2K bytes of EEPROM data memory. It operates within a voltage range of 2.7V to 5.5V and supports fully static operation at frequencies up to 24 MHz. The device is compatible with MCS-51 products and includes a variety of integrated features such as 256 bytes of internal RAM, 32 programmable I/O lines, three 16-bit timer/counters, and an enhanced UART serial port. The microcontroller also offers low-power modes, a programmable watchdog timer, and a flexible SPI interface for programming. It is available in a 44-lead TQFP package, making it suitable for various embedded control applications. The AT89S8253-24AU is designed for high endurance with 10,000 write/erase cycles for Flash memory and 100,000 for EEPROM, providing a reliable solution for developers.
IC MCU 8BIT 12KB FLASH 44TQFP
MCU 8-Bit CISC 12KB Flash 3.3V/5V TQFP
MCU 8-Bit CISC 12KB Flash 3.3V/5V TQFP
Manufacturer: Microchip Technology
Win Source Part Number: 088663-AT89S8253-24A
Packaging: Tray
Core Processor: 8051
Number of I/O: 32
Program Memory Size: 12KB (12K x 8)
Program Memory Type: FLASH
EEPROM Size: 2K x 8
Oscillator Type: External
Family Name: AT89S8253
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 85°C (TA)
Case / Package: 44-TQFP (10x10)
Speed(Frequency): 24MHz
Supply Voltage - Operating: 2.7 V to 5.5 V
Part Core Size: 8-Bit
Data RAM Size: 256 x 8
Alternative Parts (Cross-Reference): ST72325J6T3; ST72P325J4T3; ST72P325J7T3; ST72P325J9T6;
Introduction Date: July 11, 2003
ECCN: EAR99
Country of Origin: Taiwan
Estimated EOL Date: 2026
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 43 pct.
Supply and Demand Status: Limited
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| ODG (Origin Data Global) | RS Components, Ltd. | RS Components, Ltd. | Win Source Electronics | DigiKey | Lingto Electronic Limited | VAST STOCK CO., LIMITED | Quarktwin Technology Ltd. | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | AT89S8253-24AU | 1278155P | 1278155 | 088663-AT89S8253-24AU | AT89S8253-24AU-ND | AT89S8253-24AU | AT89S8253-24AU | AT89S8253-24AU | AT89S8253-24AU |
| Product Name | Microcontrollers | Microcontrollers | Microcontrollers | Embedded - Embedded - Microcontrollers - AT89S8253-24AU | Microcontrollers | Embedded - Microcontrollers | 8-bit Microcontrollers - MCU | Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers |
| Data Bus | 8 Bit | 8 Bit; 8bit | 8 Bit; 8bit | 8 Bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit; 8-Bit | 8 Bit | |
| Clock Speed | 24 MHz | 24 MHz | 24 MHz | 24 MHz | 24 MHz | ||||
| RAM | 0.2560 KB | 12 KB | 0.2560 KB | 0.2560 KB | 256 KB | ||||
| ROM Type | Flash; FLASH | Flash; FLASH | Flash | Flash; FLASH | |||||
| Supply Voltage | 2.7 to 5.5 volts | 2.7 to 5.5 volts | 2.7 to 5.5 volts | 5.5 volts |
