Skip to main content

Microchip Technology AT89LP6440-20AU Microcontroller, Microprocessor, FPGA Modules

IC MCU 8BIT 64KB FLASH 44TQFP

3,819 ActiveMicrochip Technology44-TQFP$13.93RoHS
AT89LP6440-20AU 44-TQFP package illustration

Same model may have multiple batches, images only for reference.

AT89LP6440-20AU
Part Number (MPN)
AT89LP6440-20AU
Detailed Description
IC MCU 8BIT 64KB FLASH 44TQFP
Package
44-TQFP
Key Features
Package / Case: 44-TQFP; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
PDF AT89LP6440-20AU Datasheet
Quick Jump:
Ready to order?In stock and ready to ship.
Competitive Pricing
Fast & Reliable Delivery
Quality Assured

Technical Specifications

Microchip Technology AT89LP6440-20AU Microcontroller, Microprocessor, FPGA Modules technical specifications.

General

RAM Size
4.25K x 8
RoHS
Yes
Number of Pins
44
Package / Case
44-TQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.4V ~ 3.6V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O
38

Alternate Parts Comparison (AT89LP6440-20AU vs AT89S8253-24AU vs PIC17C44-25/PT vs PIC24FJ64GA004T-I/PT)

Side-by-side technical parameter comparison of related primary models in this product family.

This PartAlternate PartsAlternate PartsAlternate Parts
Package / Case44-TQFP44-TQFP44-TQFP44-TQFP
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Operating Temperature-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)0°C ~ 70°C (TA)-40°C ~ 85°C (TA)
Supply Voltage2.4V ~ 3.6V2.7V ~ 5.5V4.5V ~ 6V2V ~ 3.6V
Core Processor80518051PICPIC
Core Size8-Bit8-Bit8-Bit16-Bit
RAM Size4.25K x 8256 x 8454 x 88K x 8
RoHSYesYesYesYes
Lifecycle StatusActiveActiveActiveActive
ConnectivityI²C, SPI, UART/USARTSPI, UART/USARTUART/USARTI²C, PMP, SPI, UART/USART
Number of I/O38323335
Oscillator TypeInternalExternalExternalInternal
Action

Cross Reference

Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .

Suggested replacements

More Parts in Microcontrollers

Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.