Microchip Technology ATMEGA48PA-AU Microcontrollers
IC MCU 8BIT 4KB FLASH 32TQFP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATMEGA48PA-AU
Base Model
Detailed Description
IC MCU 8BIT 4KB FLASH 32TQFP
Package
32-TQFP
Lifecycle Status
Active
Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATMEGA48PA-AU Microcontrollers technical specifications.
General
Series
ATmega48PA
RAM Size
512 x 8
Data Bus Width
8 bit
Maximum Clock Frequency
20 MHz
RoHS
True
Package / Case
32-TQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.8V ~ 5.5V
Lifecycle Status
Active
Alternate Parts Comparison (ATMEGA48PA-AU vs ATMEGA48PA vs ATMEGA48PA-MNR vs ATMEGA48PA-MN)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 32-TQFP | -- | 32-VFQFN Exposed Pad | 32-VFQFN Exposed Pad |
| Mounting Type | Surface Mount | -- | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -- | -40°C ~ 105°C (TA) | -40°C ~ 105°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 | 512 x 8 | -- | 512 x 8 | 512 x 8 |
| Connectivity | I²C, SPI, UART/USART | -- | I²C, SPI, UART/USART | I²C, SPI, UART/USART |
| Data Converters | A/D 8x10b | -- | A/D 8x10b | A/D 8x10b |
| EEPROM Size | 256 x 8 | -- | 256 x 8 | 256 x 8 |
| Number of I/O | 23 | -- | 23 | 23 |
| 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
MC9S08QE4CLCNXP SemiconductorsNXP
IC MCU 8BIT 4KB FLASH 32LQFP
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.