Skip to main content

Microchip Technology ATTINY44-20SSUR Microcontrollers

IC MCU 8BIT 4KB FLASH 14SOIC

9,000 ActiveMicrochip TechnologyATTINY4414-SOIC (0.154", 3.90mm Width)$5.07
ATTINY44-20SSUR 14-SOIC (0.154", 3.90mm Width) package illustration

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

ATTINY44-20SSUR
Part Number (MPN)
ATTINY44-20SSUR
Base Model
Detailed Description
IC MCU 8BIT 4KB FLASH 14SOIC
Package
14-SOIC (0.154", 3.90mm Width)
Lifecycle Status
Active
Datasheet
PDF ATTINY44-20SSUR Datasheet
Quick Jump:
Ready to order?In stock and ready to ship.
Competitive Pricing
Fast & Reliable Delivery
Quality Assured

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.

View all variants

Technical Specifications

Microchip Technology ATTINY44-20SSUR Microcontrollers technical specifications.

General

RAM Size
256 x 8
RoHS
Yes
Package / Case
14-SOIC
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 (ATTINY44-20SSUR vs ATTINY44-20MUR vs ATTINY44V-10SSUR vs ATTINY44V-10MUR)

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 / Case14-SOIC20-WFQFN Exposed Pad14-SOIC20-WFQFN Exposed Pad
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
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 ~ 5.5V2.7V ~ 5.5V1.8V ~ 5.5V1.8V ~ 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
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.