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Microchip Technology ATTINY85-20MU Microcontrollers

IC MCU 8BIT 8KB FLASH 20QFN

6,000 ActiveMicrochip TechnologyATTINY8520-WFQFN Exposed Pad$2.86
ATTINY85-20MU 20-WFQFN Exposed Pad package illustration

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

ATTINY85-20MU
Part Number (MPN)
ATTINY85-20MU
Base Model
Detailed Description
IC MCU 8BIT 8KB FLASH 20QFN
Package
20-WFQFN Exposed Pad
Lifecycle Status
Active
Datasheet
PDF ATTINY85-20MU Datasheet
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Ordering Code Family

ATTINY85 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 ATTINY85-20MU Microcontrollers technical specifications.

General

Series
ATtiny85
RAM Size
512 x 8
Data Bus Width
8 bit
Maximum Clock Frequency
20 MHz
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

Related Parts Comparison (ATTINY85-20MU vs ATTINY85-20SU vs ATTINY85-20SFR vs ATTINY85-20SF)

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
Mounting TypeSurface MountSMD/SMTSurface MountSurface Mount
Operating Temperature-40°C ~ 85°C (TA)- 40°C ~ + 85°C-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)
Supply Voltage2.7V ~ 5.5V2.7 V ~ 5.5 V2.7V ~ 5.5V2.7V ~ 5.5V
RAM Size512 x 8512 B512 x 8512 x 8
RoHSYesYesYesYes
Number of I/O66 I/O66
PackageWQFN-20SOIJ-88-SOIC (0.209", 5.30mm Width)SOIJ-8
Program Memory Size8KB (4K x 16)8 kB8KB (4K x 16)8KB (4K x 16)
Program Memory TypeFlashFlashFlashFlash
SeriesATtiny85ATtiny85--ATtiny85
Package / Case20-WFQFN Exposed Pad--8-SOIC8-SOIC
Maximum Clock Frequency20 MHz20 MHz--20 MHz
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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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