Control and Automation Solutions - HVAC

Analog Devices / Maxim Integrated Control and Automation Solutions - HVAC are systems and technologies that provide heating, ventilation, and air conditioning in buildings. HVAC systems regulate comfort (temperature and humidity), energy efficiency, and air quality. Analog Devices Inc. offers a wide range of devices to provide the correct solution for your HVAC application.

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Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model 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
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers
Datasheet
304In Stock
Min.: 1
Mult.: 1
Max.: 304

8051 16 kB 1 kB PDIP-40 33 MHz No ADC 32 I/O 4.5 V 5.5 V Through Hole 8 bit - 40 C + 85 C DS87C520 Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
171In Stock
Min.: 1
Mult.: 1
Max.: 171

8051 64 kB 256 B TQFP-44 33 MHz No ADC 32 I/O 4.5 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C DS80C320 Tray
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
134In Stock
Min.: 1
Mult.: 1
Max.: 134

8051 64 kB 256 B TQFP-44 33 MHz No ADC 32 I/O 4.5 V 5.5 V SMD/SMT 8 bit 0 C + 70 C DS80C320 Tray
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
145In Stock
Min.: 1
Mult.: 1
Max.: 145

8051 64 kB 256 B TQFP-44 25 MHz No ADC 32 I/O 4.5 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C DS80C320 Tray

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
39In Stock
Min.: 1
Mult.: 1
Max.: 39

8051 64 kB 256 B PLCC-44 33 MHz No ADC 32 I/O 4.5 V 5.5 V SMD/SMT 8 bit 0 C + 70 C DS80C320 Tube

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
101In Stock
Min.: 1
Mult.: 1
Max.: 101

8051 64 kB 256 B PLCC-44 18 MHz No ADC 32 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C DS80C323 Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
116In Stock
Min.: 1
Mult.: 1
Max.: 116

8051 64 kB 256 B PDIP-40 18 MHz No ADC 32 I/O 2.7 V 5.5 V Through Hole 8 bit 0 C + 70 C DS80C323 Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers
Datasheet
679In Stock
Min.: 1
Mult.: 1
Max.: 679

8051 16 kB 1 kB PDIP-40 33 MHz No ADC 32 I/O 4.5 V 5.5 V Through Hole 8 bit 0 C + 70 C DS87C520 Tube

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers
Datasheet
786In Stock
Min.: 1
Mult.: 1
Max.: 750

8051 16 kB 1 kB PLCC-44 33 MHz No ADC 32 I/O 4.5 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C DS87C520 Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
130In Stock
Min.: 1
Mult.: 1
Max.: 130

8051 64 kB 256 B TQFP-44 25 MHz No ADC 32 I/O 4.5 V 5.5 V SMD/SMT 8 bit 0 C + 70 C DS80C320 Tray
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
128In Stock
Min.: 1
Mult.: 1
Max.: 128

8051 64 kB 256 B PDIP-40 25 MHz No ADC 32 I/O 4.5 V 5.5 V Through Hole 8 bit 0 C + 70 C DS80C320 Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
69In Stock
70Expected 8/26/2026
Min.: 1
Mult.: 1
Max.: 139

8051 64 kB 256 B PDIP-40 25 MHz No ADC 32 I/O 4.5 V 5.5 V Through Hole 8 bit - 40 C + 85 C DS80C320 Tube

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
68In Stock
Min.: 1
Mult.: 1
Max.: 68

8051 64 kB 256 B PLCC-44 25 MHz No ADC 32 I/O 4.5 V 5.5 V SMD/SMT 8 bit 0 C + 70 C DS80C320 Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
208In Stock
Min.: 1
Mult.: 1
Max.: 208

8051 64 kB 256 B TQFP-44 18 MHz No ADC 32 I/O 2.7 V 5.5 V SMD/SMT 8 bit 0 C + 70 C DS80C323 Tray

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers
Datasheet
195In Stock
Min.: 1
Mult.: 1
Max.: 195

8051 16 kB 1 kB PLCC-44 33 MHz No ADC 32 I/O 4.5 V 5.5 V SMD/SMT 8 bit 0 C + 70 C DS87C520 Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed Microcontroller
Datasheet
11In Stock
50Expected 9/10/2026
Min.: 1
Mult.: 1
Max.: 61

8051 64 kB 256 B PDIP-40 25 MHz No ADC 32 I/O 4 V 5.5 V Through Hole 8 bit 0 C + 70 C DS80C310 Tube

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed Microcontroller
Datasheet
79In Stock
Min.: 1
Mult.: 1
Max.: 79

8051 64 kB 256 B PLCC-44 25 MHz No ADC 32 I/O 4 V 5.5 V SMD/SMT 8 bit 0 C + 70 C DS80C310 Tube

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU MICRO HS 44PLCC 25MHZ IND T&R PB-FR
Datasheet
46In Stock
Min.: 1
Mult.: 1
Max.: 46

8051 64 kB 256 B PLCC-44 25 MHz No ADC 32 I/O 4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C DS80C310 Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
8In Stock
Min.: 1
Mult.: 1
Max.: 8

8051 64 kB 256 B PDIP-40 33 MHz No ADC 32 I/O 4.5 V 5.5 V Through Hole 8 bit - 40 C + 85 C DS80C320 Tube

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
56In Stock
Min.: 1
Mult.: 1
Max.: 56

8051 64 kB 256 B PLCC-44 18 MHz No ADC 32 I/O 2.7 V 5.5 V SMD/SMT 8 bit 0 C + 70 C DS80C323 Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
More Info Available

8051 64 kB 256 B PDIP-40 33 MHz No ADC 32 I/O 4.5 V 5.5 V Through Hole 8 bit 0 C + 70 C DS80C320 Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers
Datasheet

8051 16 kB 1 kB TQFP-44 33 MHz No ADC 32 I/O 4.5 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C DS87C520 Tray