Microchip Technology ATTINY461A-SUR Microcontrollers
IC MCU 8BIT 4KB FLASH 20SOIC

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATTINY461A-SUR
Base Model
Detailed Description
IC MCU 8BIT 4KB FLASH 20SOIC
Package
20-SOIC (0.295", 7.50mm Width)
Lifecycle Status
Active
Datasheet
ATTINY461A-SUR Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATTINY461A-SUR Microcontrollers technical specifications.
General
RAM Size
256 x 8
RoHS
True
Package / Case
20-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.8V ~ 5.5V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number of I/O
16
Speed
20MHz
Alternate Parts Comparison (ATTINY461A-SUR vs ATTINY461A vs ATTINY461A-MU vs ATTINY461A-SU)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 20-SOIC | -- | 32-VFQFN Exposed Pad | 20-SOIC |
| Mounting Type | Surface Mount | -- | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -- | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.8V ~ 5.5V | -- | 1.8V ~ 5.5V | 1.8V ~ 5.5V |
| Core Processor | AVR | -- | AVR | AVR |
| Core Size | 8-Bit | -- | 8-Bit | 8-Bit |
| RAM Size | 256 x 8 | -- | 256 x 8 | 256 x 8 |
| Connectivity | USI | -- | USI | USI |
| Data Converters | A/D 11x10b | -- | A/D 11x10b | A/D 11x10b |
| EEPROM Size | 256 x 8 | -- | 256 x 8 | 256 x 8 |
| Number of I/O | 16 | -- | 16 | 16 |
| Oscillator Type | 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
MC9S08QL4CTJNXP SemiconductorsNXP
IC MCU 8BIT 4KB FLASH 20TSSOP
MC9S08QA4CDNENXP SemiconductorsNXP
IC MCU 8BIT 4KB FLASH 8SOIC
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.
