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 β ActiveMicrochip Technology
ATMEGA329-16AU - 8-bit AVR MCU 16MHz 32KB Flash LCD | Microchip
ATMEGA329-16AU β ActiveSpecification Comparison
| Parameter | ATMEGA325-16AU | ATMEGA329-16AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.40 | $8.45 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory Size | 32KB (16K x 16) FLASH | β |
| EEPROM Size | 1KB | β |
| SRAM Size | 2KB | β |
| 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 | β |
| 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 | β |
| Peripherals | 10-bit ADC, UART, SPI, Watchdog Timer, Timers | β |
| 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] | β |
| Flash Program Memory | β | 32 KB (16K x 16) |
| EEPROM | β | 1 KB |
| SRAM | β | 2 KB |
| General Purpose I/O Lines | β | 54 |
| LCD Controller | β | On-chip segment LCD controller with internal contrast control |
| JTAG Interface | β | Yes (boundary-scan, on-chip debug, programming) |
| General Purpose Working Registers | β | 32 |
| Instructions | β | 130+ powerful instructions, most single-clock cycle |