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