Microchip Technology ATMEGA16A-PU Microcontrollers
IC MCU 8BIT 16KB FLASH 40DIP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATMEGA16A-PU
Base Model
Detailed Description
IC MCU 8BIT 16KB FLASH 40DIP
Package
40-DIP (0.600", 15.24mm)
Lifecycle Status
Active
Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATMEGA16A-PU Microcontrollers technical specifications.
General
Series
ATmega16A
RAM Size
1K x 8
Data Bus Width
8 bit
Maximum Clock Frequency
16 MHz
RoHS
True
Package / Case
40-DIP
Mounting Type
Through Hole
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 5.5V
Lifecycle Status
Active
Alternate Parts Comparison (ATMEGA16A-PU vs ATMEGA16A-AU vs ATMEGA16A-MU vs ATMEGA16A-AUR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 40-DIP | 44-TQFP | 44-VFQFN Exposed Pad | 44-TQFP |
| Mounting Type | Through Hole | 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 | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Core Processor | AVR | AVR | AVR | AVR |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| RAM Size | 1K x 8 | 1K x 8 | 1K x 8 | 1K x 8 |
| Connectivity | I²C, SPI, UART/USART | I²C, SPI, UART/USART | I²C, SPI, UART/USART | I²C, SPI, UART/USART |
| Data Converters | A/D 8x10b | A/D 8x10b | A/D 8x10b | A/D 8x10b |
| EEPROM Size | 512 x 8 | 512 x 8 | 512 x 8 | 512 x 8 |
| Number of I/O | 32 | 32 | 32 | 32 |
| 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
CY8C4124LQE-S433TInfineon TechnologiesSimilar FunctionalityInfineon
PSOC4 - GENERAL
MC9S08PB16MTJNXP SemiconductorsNXP
IC MCU 8BIT 16KB FLASH 20TSSOP
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.