89S Series 8-bit Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Core	Program Memory Size	Data RAM Size	Package/Case	Maximum Clock Frequency	ADC Resolution	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Mounting Style	Data Bus Width	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V AT89S51-24JU Microchip Technology 1: $4.77 349In Stock	Mfr. Part No. AT89S51-24JU Mouser Part No 556-A89S51-24JU	Microchip Technology	8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V	Datasheet	349In Stock	$4.77 $4.36 $4.35	Min.: 1 Mult.: 1	8051	4 kB	128 B	PLCC-44	24 MHz	No ADC	32 I/O	4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89S	Tube
8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V AT89S52-24PU Microchip Technology 1: $3.68 5,838In Stock 7,260Expected 2026/09/29	Mfr. Part No. AT89S52-24PU Mouser Part No 556-A89S52-24PU	Microchip Technology	8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V	Datasheet	5,838In Stock 7,260Expected 2026/09/29	$3.68 $3.38 $3.07	Min.: 1 Mult.: 1	8051	8 kB	256 B	PDIP-40	24 MHz	No ADC	32 I/O	4 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	89S	Tube
8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V AT89S8253-24JU Microchip Technology 1: $4.71 3,097In Stock	Mfr. Part No. AT89S8253-24JU Mouser Part No 556-A89S8253-24JU	Microchip Technology	8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V	Datasheet	3,097In Stock	$4.71 $4.33	Min.: 1 Mult.: 1	8051	12 kB	256 B	PLCC-44	24 MHz	No ADC	32 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89S	Tube
8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V AT89S51-24PU Microchip Technology 1: $3.33 1,609In Stock 1,510Expected 2026/09/30	Mfr. Part No. AT89S51-24PU Mouser Part No 556-A89S51-24PU	Microchip Technology	8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V	Datasheet	1,609In Stock 1,510Expected 2026/09/30	$3.33 $3.05 $2.76	Min.: 1 Mult.: 1	8051	4 kB	128 B	PDIP-40	24 MHz	No ADC	32 I/O	4 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	89S	Tube
8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V AT89S8253-24PU Microchip Technology 1: $4.45 688In Stock	Mfr. Part No. AT89S8253-24PU Mouser Part No 556-A89S8253-24PU	Microchip Technology	8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V	Datasheet	688In Stock	$4.45 $4.09	Min.: 1 Mult.: 1	8051	12 kB	256 B	PDIP-40	24 MHz	No ADC	32 I/O	2.7 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	89S	Tube
8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V AT89S52-24JU Microchip Technology 1: $3.79 979In Stock 2,403Expected 2026/10/26	Mfr. Part No. AT89S52-24JU Mouser Part No 556-AT89S52-24JU	Microchip Technology	8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V	Datasheet	979In Stock 2,403Expected 2026/10/26	$3.79 $3.49	Min.: 1 Mult.: 1	8051	8 kB	256 B	PLCC-44	24 MHz	No ADC	32 I/O	4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89S	Tube
8-bit Microcontrollers - MCU 4K ISP FLASH 2.7 TO 5.5V - 24MHz AT89S51-24AU Microchip Technology 1: $2.11 4,134In Stock	Mfr. Part No. AT89S51-24AU Mouser Part No 556-A89S51-24AU	Microchip Technology	8-bit Microcontrollers - MCU 4K ISP FLASH 2.7 TO 5.5V - 24MHz	Datasheet	4,134In Stock	$2.11 $1.93 $1.76	Min.: 1 Mult.: 1	8051	4 kB	128 B	TQFP-44	24 MHz	No ADC	32 I/O	4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89S	Tray
8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V AT89S52-24AU Microchip Technology 1: $2.27 2,198In Stock	Mfr. Part No. AT89S52-24AU Mouser Part No 556-A89S52-24AU	Microchip Technology	8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V	Datasheet	2,198In Stock	$2.27 $2.08 $1.90	Min.: 1 Mult.: 1	8051	8 kB	256 B	TQFP-44	24 MHz	No ADC	32 I/O	4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89S	Tray
8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC AT89S2051-24SU Microchip Technology 1: $2.61 504In Stock	Mfr. Part No. AT89S2051-24SU Mouser Part No 556-A89S2051-24SU	Microchip Technology	8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC	Datasheet	504In Stock	$2.61 $2.40 $2.17	Min.: 1 Mult.: 1	8051	2 kB	256 B	SOIC-20	24 MHz	No ADC	15 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89S	Tube
8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V AT89S8253-24AU Microchip Technology 1: $2.70 31In Stock 4,960On Order	Mfr. Part No. AT89S8253-24AU Mouser Part No 556-A89S8253-24AU	Microchip Technology	8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V	Datasheet	31In Stock 4,960On Order On Order Ship Dates Mfr. No: AT89S8253-24AU Stock: 31 Can Dispatch Immediately On Order: 2,560 Expected 2026/10/01 2,400 Expected 2026/10/02 Factory Lead Time: 11 Weeks	$2.70 $2.49 $2.24	Min.: 1 Mult.: 1	8051	12 kB	256 B	TQFP-44	24 MHz	No ADC	32 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89S	Tray

89S Series 8-bit Microcontrollers - MCU

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