Microchip Technology ATMEGA16A-AUR Microcontroller, Microprocessor, FPGA Modules
IC MCU 8BIT 16KB FLASH 44TQFP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATMEGA16A-AUR
Detailed Description
IC MCU 8BIT 16KB FLASH 44TQFP
Package
44-TQFP
Key Features
Package / Case: 44-TQFP; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
ATMEGA16A-AUR Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATMEGA16A-AUR Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
Series
ATmega16A
RAM Size
1K x 8
Data Bus Width
8 bit
Maximum Clock Frequency
16 MHz
RoHS
True
Package / Case
44-TQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 5.5V
Lifecycle Status
Active
Alternate Parts Comparison (ATMEGA16A-AUR vs ATMEGA644A-AUR vs PIC17C44-25/PT vs AT89S8253-24AU)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 44-TQFP | 44-TQFP | 44-TQFP | 44-TQFP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 4.5V ~ 6V | 2.7V ~ 5.5V |
| Core Processor | AVR | AVR | PIC | 8051 |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| RAM Size | 1K x 8 | 4K x 8 | 454 x 8 | 256 x 8 |
| Connectivity | I²C, SPI, UART/USART | I²C, SPI, UART/USART | UART/USART | SPI, UART/USART |
| Number of I/O | 32 | 32 | 33 | 32 |
| Oscillator Type | Internal | Internal | External | External |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | POR, PWM, WDT | POR, WDT |
| Program Memory Size | 16KB (8K x 16) | 64KB (32K x 16) | 16KB (8K x 16) | 12KB (12K x 8) |
| 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
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