ATMEGA329-16AU vs ATMEGA325-16AU Comparison
Detailed side-by-side comparison of ATMEGA329-16AU by Microchip Technology and ATMEGA325-16AU 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 ✓ ActiveMicrochip Technology
ATMEGA325-16AU - 32KB Flash 16MHz AVR 8-Bit MCU | Microchip
ATMEGA325-16AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA329-16AU | ATMEGA325-16AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Maximum Clock Frequency | 16 MHz | 16 MHz |
| Flash Program Memory | 32 KB (16K x 16) | — |
| EEPROM | 1 KB | — |
| SRAM | 2 KB | — |
| Supply Voltage Range | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| General Purpose I/O Lines | 54 | — |
| Package | 64-TQFP (14x14 mm), 0.8 mm pitch | 64-TQFP (14 x 14 mm, 0.8 mm pitch) |
| LCD Controller | On-chip segment LCD controller with internal contrast control | — |
| JTAG Interface | Yes (boundary-scan, on-chip debug, programming) | — |
| In-System Programming | Yes (ISP Flash, read-while-write) | Yes (ISP FLASH) |
| General Purpose Working Registers | 32 | — |
| Instructions | 130+ powerful instructions, most single-clock cycle | — |
| Mounting Type | Surface Mount | Surface Mount |
| Life Cycle Stage | Active | ACTIVE |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS compliance status] |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +85C |
| Program Memory Size | — | 32KB (16K x 16) FLASH |
| EEPROM Size | — | 1KB |
| SRAM Size | — | 2KB |
| Number of I/O Pins | — | 54 |
| Instruction Set | — | 131 instructions, mostly single-cycle |
| Peripherals | — | 10-bit ADC, UART, SPI, Watchdog Timer, Timers |
| MSL Rating | — | [DATA_NEEDED: moisture sensitivity level] |