Microchip Technology ATTINY20-MMH Microcontrollers
IC MCU 8BIT 2KB FLASH 20VQFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATTINY20-MMH
Base Model
Detailed Description
IC MCU 8BIT 2KB FLASH 20VQFN
Package
20-VFQFN Exposed Pad
Lifecycle Status
Active
Datasheet
ATTINY20-MMH Datasheet
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Technical Specifications
Microchip Technology ATTINY20-MMH Microcontrollers technical specifications.
General
Series
ATtiny20
RAM Size
128 x 8
Data Bus Width
8 bit
Maximum Clock Frequency
12 MHz
RoHS
Yes
Package / Case
20-VFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.8V ~ 5.5V
Lifecycle Status
Active
Related Parts Comparison (ATTINY20-MMH vs ATTINY204-SSN vs ATTINY20-XUR vs ATTINY202-SSFR)
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-VFQFN Exposed Pad | 14-SOIC | 14-TSSOP | 8-SOIC |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TA) |
| Supply Voltage | 1.8V ~ 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 | 128 x 8 | 128 x 8 | 128 x 8 | 128 x 8 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Connectivity | I²C, SPI | I²C, SPI, UART/USART | I²C, SPI | I²C, IrDA, LINbus, SPI, UART/USART |
| Data Converters | A/D 8x10b | A/D 10x10b | A/D 8x10b | A/D 6x10b |
| Number of I/O | 12 | 12 | 12 | 6 |
| 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
MC9RS08KA4CWJNXP SemiconductorsNXP
IC MCU 8BIT 4KB FLASH 20SOIC
MC9S08QG4CFFENXP SemiconductorsNXP
IC MCU 8BIT 4KB FLASH 16QFN
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Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
