ATMEGA324A-MU vs ATMEGA164A-MU Comparison
Detailed side-by-side comparison of ATMEGA324A-MU by Microchip Technology and ATMEGA164A-MU 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
ATMEGA324A-MU - 8-bit AVR MCU 32KB Flash 20MHz | Microchip
ATMEGA324A-MU ✓ ActiveMicrochip Technology
ATMEGA164A-MU - 8-bit AVR MCU 16KB Flash 20MHz VQFN-44 | Microchip
ATMEGA164A-MU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA324A-MU | ATMEGA164A-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Flash Memory | 32 KB ISP Flash (read-while-write) | — |
| EEPROM | 1 KB | 512 B |
| SRAM | 2 KB | 1 KB |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| General Purpose I/O Lines | 32 | — |
| Working Registers | 32 general purpose | — |
| Supply Voltage Class | 2.5 V / 3.3 V / 5 V systems | — |
| Package | 44-VFQFN Exposed Pad | 44-VQFN (7x7 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Range | Industrial (-40C to +85C) | — |
| Instructions | 131 powerful instructions, most single-cycle | — |
| Throughput | Up to ~1 MIPS per MHz | Up to 20 MIPS (approx. 1 MIPS per MHz) |
| Real Time Counter | Yes | — |
| Lifecycle Status | Active | — |
| Packaging | Tape & Reel | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | — |
| Supply Voltage Range (Vcc min-max) | [DATA_NEEDED: full Vcc min-max range] | — |
| Program Memory (FLASH) | — | 16 KB (8K x 16) ISP |
| Instruction Set | — | 133 powerful instructions, most single-cycle |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| General Purpose I/O | — | 32 I/O lines |
| General Purpose Registers | — | 32 |
| ADC | — | 10-bit ADC (per family datasheet) |
| Peripherals | — | Real-time counter, timers/PWM, WDT, brown-out detection |
| Programming Interface | — | ISP (In-System Programmable), read-while-write |
| Operating Temperature | — | -40C to +85C (industrial) |
| Life Cycle Stage | — | Active |