AT89S8253-24AU

Category	Integrated Circuits (ICs)
Family	Embedded - Microcontrollers
Series	89S
Core Processor	8051
Core Size	8-Bit
Speed	24MHz
Connectivity	SPI, UART/USART
Peripherals	POR, WDT
Number of I /O	32
Program Memory Size	12KB (12K x 8)
Program Memory Type	FLASH
EEPROM Size	2K x 8
RAM Size	256 x 8
Voltage - Supply (Vcc/Vdd)	2.7 V ~ 5.5 V
Data Converters	-
Oscillator Type	Internal
Operating Temperature	-40°C ~ 85°C
Package / Case	44-TQFP

If you have need the stock,please don't hesitate to contact with Trustbond Technology Corp.
Http://www.trustbond.com.tw