Microchip Technology ATTINY44-20MUR Microcontrollers
IC MCU 8BIT 4KB FLASH 20QFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATTINY44-20MUR
Base Model
Detailed Description
IC MCU 8BIT 4KB FLASH 20QFN
Package
20-WFQFN Exposed Pad
Lifecycle Status
Active
Datasheet
ATTINY44-20MUR Datasheet
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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 Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 20-WFQFN Exposed Pad | 14-SOIC | 20-WFQFN Exposed Pad | 14-DIP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Through Hole |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 2.7V ~ 5.5V |
| Core Processor | AVR | AVR | AVR | AVR |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| RAM Size | 256 x 8 | 256 x 8 | 256 x 8 | 256 x 8 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Connectivity | USI | USI | USI | USI |
| Data Converters | A/D 8x10b | A/D 8x10b | A/D 8x10b | A/D 8x10b |
| EEPROM Size | 256 x 8 | 256 x 8 | 256 x 8 | 256 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
NXP
IC MCU 8BIT 4KB FLASH 20TSSOP
NXP
IC MCU 8BIT 4KB FLASH 16TSSOP
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.