ATMEGA329-16AU vs ATMEGA329PA-AUR Comparison
Detailed side-by-side comparison of ATMEGA329-16AU by Microchip Technology and ATMEGA329PA-AUR by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATMEGA329-16AU - 8-bit AVR MCU 16MHz 32KB Flash LCD | Microchip
ATMEGA329-16AU β ActiveMicrochip Technology
ATMEGA329PA-AUR - 8-bit AVR MCU, 32KB Flash, 20MHz, 64-TQFP | Microchip
ATMEGA329PA-AUR β ActiveSpecification Comparison
| Parameter | ATMEGA329-16AU | ATMEGA329PA-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.45 | $5.94 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC (Harvard) |
| Maximum Clock Frequency | 16 MHz | β |
| Flash Program Memory | 32 KB (16K x 16) | β |
| EEPROM | 1 KB | 1 KB |
| SRAM | 2 KB | 2 KB |
| Supply Voltage Range | 4.5 V to 5.5 V | β |
| General Purpose I/O Lines | 54 | β |
| Package | 64-TQFP (14x14 mm), 0.8 mm pitch | 64-pin TQFP (14x14 mm, 0.8 mm pitch) |
| LCD Controller | On-chip segment LCD controller with internal contrast control | Up to 4x25 segments (integrated) |
| JTAG Interface | Yes (boundary-scan, on-chip debug, programming) | β |
| In-System Programming | Yes (ISP Flash, read-while-write) | β |
| General Purpose Working Registers | 32 | β |
| Instructions | 130+ powerful instructions, most single-clock cycle | β |
| Mounting Type | Surface Mount | Surface Mount |
| Life Cycle Stage | Active | β |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +85C (Industrial) |
| Family | β | ATmega (picoPower) |
| Program Memory (Flash) | β | 32 KB |
| Maximum CPU Speed | β | 20 MHz |
| Supply Voltage | β | 2.7 V to 5.5 V (4.5 V to 5.5 V at 20 MHz) |
| General-Purpose I/O | β | 54 |
| Timers/Counters | β | Two 8-bit + One 16-bit |
| ADC | β | 8-channel, 10-bit |
| Serial Interfaces | β | USART, SPI, TWI (I2C) |
| Programming Interface | β | JTAG / debugWIRE / ISP |
| MSL Level | β | 3 (168 hours) |