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DS89C440-MNL

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DS89C440-MNL

IC MCU 8BIT 32KB FLASH 40DIP

Manufacturer: Analog Devices Inc./Maxim Integrated

Categories: Microcontrollers

Quality Control: Learn More

The Analog Devices Inc./Maxim Integrated 89C series microcontroller, part number DS89C440-MNL, is an 8-bit 8051 core processor operating at 33MHz. This device features 32KB of FLASH program memory and 1KB of RAM. Connectivity options include EBI/EMI, SIO, and UART/USART. Integrated peripherals include power-fail reset and a watchdog timer. The DS89C440-MNL is supplied in a 40-PDIP through-hole package, requiring an external oscillator. It is designed for operation within a voltage range of 4.5V to 5.5V and an ambient temperature range of -40°C to 85°C. This component is suitable for applications in industrial automation and embedded control systems.

Additional Information

Series: 89CRoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDatasheet:
Technical Details:
PackagingTube
Package / Case40-DIP (0.600"", 15.24mm)
Mounting TypeThrough Hole
Speed33MHz
Program Memory Size32KB (32K x 8)
RAM Size1K x 8
Operating Temperature-40°C ~ 85°C (TA)
Oscillator TypeExternal
Program Memory TypeFLASH
EEPROM Size-
Core Processor8051
Data Converters-
Core Size8-Bit
Voltage - Supply (Vcc/Vdd)4.5V ~ 5.5V
ConnectivityEBI/EMI, SIO, UART/USART
PeripheralsPower-Fail Reset, WDT
Supplier Device Package40-PDIP
Number of I/O32
ProgrammableNot Verified

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Microcontroller FAQs

A microcontroller is a compact integrated circuit that combines a processor, memory, and input/output peripherals for embedded control applications.

Microcontrollers execute programmed instructions to process sensor inputs and control outputs such as motors, displays, and communication interfaces.

Microcontrollers are commonly used in:

  • Automotive systems
  • Robotics
  • IoT devices
  • Industrial automation
  • Household appliances
  • Smart electronics

Microcontrollers integrate memory and peripherals on-chip for dedicated tasks, while microprocessors are designed for higher-performance computing systems requiring external components.

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