Integrated Circuits (ICs) > Embedded Processors and Controllers > Microcontrollers > AT89S8253-24AU

AT89S8253-24AU

Microchip

Part Number:	AT89S8253-24AU
Manufacturer:	Microchip
Part Type:	Integrated Circuits (ICs) > Embedded Processors and Controllers > Microcontrollers > AT89S8253-24AU
Qty Available:
Description:	MCU 8-bit 8051 CISC 12KB Flash 3.3V/5V 44-Pin TQFP Tray / IC MCU 8BIT 12KB FLASH 44TQFP

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04/23/2026 – There are 515 pieces pieces of Part Number AT89S8253-24AU Available.

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MCU 8-bit 8051 CISC 12KB Flash 3.3V/5V 44-Pin TQFP Tray / IC MCU 8BIT 12KB FLASH 44TQFP

Specifications

TYPE	DESCRIPTION
Case/Package	TQFP
Mount	Surface Mount
Number of Pins	44
Access Time	24 µs
Address Bus Width	8 b
Core Architecture	8051
Data Bus Width	8 b
Density	96 kb
Frequency	24 MHz
Interface	SPI, UART
Max Frequency	24 MHz
Max Operating Temperature	85 °C
Max Supply Voltage	5.5 V
Memory Size	12 kB
Memory Type	FLASH
Min Operating Temperature	-40 °C
Min Supply Voltage	2.7 V
Number of Bits	8
Number of I/Os	32
Number of Programmable I/O	32
Number of SPI Channels	1
Number of Timers/Counters	3
Number of UART Channels	1
Oscillator Type	Internal
Peripherals	POR, WDT
RAM Size	256 B
Watchdog Timer	Yes
Height	1.05 mm
Length	10.1 mm
Width	10.1 mm

Images

Documentation for Microchip AT89S8253-24AU

Datasheet	View & Download AT89S8253-24AU Datasheet
Datasheet	View & Download AT89S8253-24AU Datasheet
Technical Drawing	View & Download AT89S8253-24AU Technical Drawing
Datasheet	View & Download AT89S8253-24AU Datasheet

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