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 Product overview: AT89S8253-24AU from Microchip Technology is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 8-bit, 8BIT, 12KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 8BIT, 12KB, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-AT89S8253-24AU can be used for catalog matching and distributor lookup.
IC MCU 8BIT 12KB FLASH 44TQFP
8051 89S Microcontroller IC 8-Bit 24MHz 12KB (12K x 8) FLASH 44-TQFP (10x10)
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
MCU 8-Bit CISC 12KB Flash 3.3V/5V TQFP
MCU 8-Bit CISC 12KB Flash 3.3V/5V TQFP
IC MCU 8BIT 12KB FLASH 44TQFP
IC MCU 8BIT 12KB FLASH 44TQFP
8051 89S Microcontroller IC 8-Bit 24MHz 12KB (12K x 8) FLASH 44-TQFP (10x10)
8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V
| ERSAELECTRONICS PTE. LTD. | ODG (Origin Data Global) | DigiKey | Win Source Electronics | RS Components, Ltd. | RS Components, Ltd. | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | Quarktwin Technology Ltd. | VAST STOCK CO., LIMITED | |
|---|---|---|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | 685-AT89S8253-24AU | AT89S8253-24AU | AT89S8253-24AU-ND | 088663-AT89S8253-24AU | 1278155P | 1278155 | AT89S8253-24AU | AT89S8253-24AU | AT89S8253-24AU | AT89S8253-24AU |
| Product Name | 8-bit 8BIT 12KB Embedded Microcontroller MCU | Microcontrollers | Microcontrollers | Embedded - Embedded - Microcontrollers - AT89S8253-24AU | Microcontrollers | Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers | Embedded - Microcontrollers | Microcontrollers | 8-bit Microcontrollers - MCU |
| Data Bus | 8 Bit | 8 Bit | 8 Bit | 8 Bit | 8 Bit; 8bit | 8 Bit; 8bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit; 8-Bit | |
| Clock Speed | 24 MHz | 24 MHz | 24 MHz | 24 MHz | 24 MHz | 24 MHz | ||||
| RAM | 0.2560 KB | 0.2560 KB | 0.2560 KB | 12 KB | 256 KB | 0.2560 KB | ||||
| Supply Voltage | 2.7 to 5.5 volts | 2.7 to 5.5 volts | 2.7 to 5.5 volts | 2.7 to 5.5 volts | 5.5 volts | |||||
| Serial Interface | SPI/UART | SPI; UART; USART |
