ATMEGA164A-MCHR vs ATMEGA324A-MCHR Comparison
Detailed side-by-side comparison of ATMEGA164A-MCHR by Microchip Technology and ATMEGA324A-MCHR 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
ATMEGA164A-MCHR - 8-bit AVR MCU 16KB Flash 20MHz QFN-44 | Microchip
ATMEGA164A-MCHR ✓ ActiveMicrochip Technology
ATMEGA324A-MCHR - 8-bit AVR MCU 32KB Flash 20MHz VQFN-44 | Microchip
ATMEGA324A-MCHR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA164A-MCHR | ATMEGA324A-MCHR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.01 | $0.00 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Flash Memory | 16 KB (8K x 16) ISP Flash | 32 KB ISP Flash (read-while-write) |
| EEPROM | 512 B | 1 KB |
| SRAM | 1 KB | 2 KB |
| Supply Voltage Range | 2.7 V to 5.5 V | [DATA_NEEDED: operating supply voltage range] |
| General Purpose I/O | 32 I/O lines | 32 I/O lines |
| General Purpose Working Registers | 32 registers | — |
| Instruction Set | 133 instructions, mostly single-cycle | — |
| Throughput | Up to 1 MIPS per MHz | — |
| Package | 44-QFN (MLF) 5x5 mm | VQFN-44 (MLF), 44QFN with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature (Max) | 85 C | — |
| Packaging | Tape and Reel (R suffix) | — |
| Programming | In-System Programmable (ISP), read-while-write | In-System Programmable (ISP) |
| Debug Interface | In-Circuit Debug via MPLAB SNAP (ICSP) | — |
| Lifecycle Status | Active | Active |
| RoHS Status | [DATA_NEEDED: RoHS compliance status] | — |
| Instructions | — | 131 instructions, most single-cycle |
| Working Registers | — | 32 x 8-bit general purpose |
| Minimum Supply Voltage | — | 1.80 V |
| Timers | — | 3 timers with PWM (real time counter included) |
| Communication Interfaces | — | USART, SPI, TWI (I2C) |
| ADC | — | 10-bit ADC |
| Operating Temperature | — | Industrial range (see datasheet for exact limits) |