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Microchip Technology ATTINY44-20MUR Microcontrollers

IC MCU 8BIT 4KB FLASH 20QFN

12,000 ActiveMicrochip TechnologyATTINY4420-WFQFN Exposed Pad$5.26
ATTINY44-20MUR 20-WFQFN Exposed Pad package illustration

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

ATTINY44-20MUR
Part Number (MPN)
ATTINY44-20MUR
Base Model
Detailed Description
IC MCU 8BIT 4KB FLASH 20QFN
Package
20-WFQFN Exposed Pad
Lifecycle Status
Active
Datasheet
PDF ATTINY44-20MUR Datasheet
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Ordering Code Family

ATTINY44 groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

3 ordering variants listed on the family page.

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Technical Specifications

Microchip Technology ATTINY44-20MUR Microcontrollers technical specifications.

General

RAM Size
256 x 8
RoHS
Yes
Package / Case
20-WFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 5.5V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O
12
Speed
20MHz

Related Parts Comparison (ATTINY44-20MUR vs ATTINY44V-10SSUR vs ATTINY44V-10MUR vs ATTINY44-20PU)

Side-by-side specifications of related catalog parts.

Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.

This PartRelated PartRelated PartRelated Part
Package / Case20-WFQFN Exposed Pad14-SOIC20-WFQFN Exposed Pad14-DIP
Mounting TypeSurface MountSurface MountSurface MountThrough Hole
Operating Temperature-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)
Supply Voltage2.7V ~ 5.5V1.8V ~ 5.5V1.8V ~ 5.5V2.7V ~ 5.5V
Core ProcessorAVRAVRAVRAVR
Core Size8-Bit8-Bit8-Bit8-Bit
RAM Size256 x 8256 x 8256 x 8256 x 8
RoHSYesYesYesYes
Lifecycle StatusActiveActiveActiveActive
ConnectivityUSIUSIUSIUSI
Data ConvertersA/D 8x10bA/D 8x10bA/D 8x10bA/D 8x10b
EEPROM Size256 x 8256 x 8256 x 8256 x 8
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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

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