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