Microchip AT89S4051-24SU, 8bit 8051 Microcontroller, AT89, 24MHz, 4 kB Flash, 20-Pin SOIC

Technical Reference (2)

Discontinued product

Attribute	Value
Family Name	AT89
Package Type	SOIC
Mounting Type	Surface Mount
Pin Count	20
Device Core	8051
Data Bus Width	8bit
Program Memory Size	4 kB
Maximum Frequency	24MHz
RAM Size	256 B
USB Channels	0
Number of PWM Units	1 x 8 bit
Number of SPI Channels	0
Number of CAN Channels	0
Number of UART Channels	1
Number of I2C Channels	0
Typical Operating Supply Voltage	2.7 → 5.5 V
Height	2.35mm
Number of ADC Units	0
ADCs	0
Program Memory Type	Flash
Length	13mm
Number of Ethernet Channels	0
Maximum Operating Temperature	+85 °C
Instruction Set Architecture	MCS-51
Minimum Operating Temperature	-40 °C
Width	7.6mm
Dimensions	13 x 7.6 x 2.35mm
Pulse Width Modulation	1 (1 x 8 bit)
Maximum Number of Ethernet Channels	0