ATMEGA164A-MCH vs ATMEGA324A-MCHR Comparison
Detailed side-by-side comparison of ATMEGA164A-MCH 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
ATMEGA324A-MCHR - 8-bit AVR MCU 32KB Flash 20MHz VQFN-44 | Microchip
ATMEGA324A-MCHR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA164A-MCH | ATMEGA324A-MCHR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.55 | $0.00 |
| Product Type | 8-bit AVR RISC Microcontroller | — |
| Family | ATmega | — |
| Program Memory (Flash) | 16 KB | — |
| EEPROM | 512 B | 1 KB |
| SRAM | 1 KB | 2 KB |
| Maximum CPU Speed | 20 MHz | — |
| CPU Throughput | 20 MIPS | — |
| Supply Voltage (Vcc) | 2.7 V to 5.5 V | — |
| I/O Pins | 32 | — |
| Working Registers | 32 x 8-bit | 32 x 8-bit general purpose |
| ADC | 10-bit | 10-bit ADC |
| Package | 44-pin QFN (5x5 mm) with exposed pad | VQFN-44 (MLF), 44QFN with exposed pad |
| Data Bus Width | 8 bit | — |
| Instruction Set | AVR (131 instructions, mostly single-cycle) | — |
| Programming Interface | ISP / JTAG | — |
| Operating Temperature | -40C to +85C (industrial) | Industrial range (see datasheet for exact limits) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | — |
| Core Architecture | — | 8-bit AVR RISC |
| Flash Memory | — | 32 KB ISP Flash (read-while-write) |
| Maximum Clock Frequency | — | 20 MHz |
| Instructions | — | 131 instructions, most single-cycle |
| General Purpose I/O | — | 32 I/O lines |
| Minimum Supply Voltage | — | 1.80 V |
| Supply Voltage Range | — | [DATA_NEEDED: operating supply voltage range] |
| Timers | — | 3 timers with PWM (real time counter included) |
| Communication Interfaces | — | USART, SPI, TWI (I2C) |
| Programming | — | In-System Programmable (ISP) |
| Lifecycle Status | — | Active |