Microchip Technology ATTINY44-20SSU Microcontrollers
IC MCU 8BIT 4KB FLASH 14SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATTINY44-20SSU
Base Model
Detailed Description
IC MCU 8BIT 4KB FLASH 14SOIC
Package
14-SOIC (0.154", 3.90mm Width)
Lifecycle Status
Active
Datasheet
ATTINY44-20SSU Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATTINY44-20SSU Microcontrollers technical specifications.
General
Series
ATtiny44
RAM Size
256 x 8
Data Bus Width
8 bit
Maximum Clock Frequency
20 MHz
RoHS
True
Package / Case
14-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 5.5V
Lifecycle Status
Active
Alternate Parts Comparison (ATTINY44-20SSU vs ATTINY44-20MUR vs ATTINY44V-10SSUR vs ATTINY44V-10MUR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 14-SOIC | 20-WFQFN Exposed Pad | 14-SOIC | 20-WFQFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| 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 | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 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 |
| 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 |
| Number of I/O | 12 | 12 | 12 | 12 |
| Oscillator Type | Internal | Internal | Internal | Internal |
| 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
MC9S08PA4VTGNXP SemiconductorsNXP
IC MCU 8BIT 4KB FLASH 16TSSOP
MC9S08PL4CTGNXP SemiconductorsNXP
IC MCU 8BIT 4KB FLASH 16TSSOP
MC9S08SE4CTGNXP SemiconductorsNXP
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.