ATMEGA324A-MCHR vs ATMEGA164A-MCH Comparison
Detailed side-by-side comparison of ATMEGA324A-MCHR by Microchip Technology and ATMEGA164A-MCH 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 ✓ Active
Specification Comparison
| Parameter | ATMEGA324A-MCHR | ATMEGA164A-MCH |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $3.55 |
| Core Architecture | 8-bit AVR 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 | — |
| Instructions | 131 instructions, most single-cycle | — |
| General Purpose I/O | 32 I/O lines | — |
| Working Registers | 32 x 8-bit general purpose | 32 x 8-bit |
| 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) | — |
| ADC | 10-bit ADC | 10-bit |
| Package | VQFN-44 (MLF), 44QFN with exposed pad | 44-pin QFN (5x5 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | Industrial range (see datasheet for exact limits) | -40C to +85C (industrial) |
| Programming | In-System Programmable (ISP) | — |
| Lifecycle Status | Active | — |
| Product Type | — | 8-bit AVR RISC Microcontroller |
| Family | — | ATmega |
| Program Memory (Flash) | — | 16 KB |
| Maximum CPU Speed | — | 20 MHz |
| CPU Throughput | — | 20 MIPS |
| Supply Voltage (Vcc) | — | 2.7 V to 5.5 V |
| I/O Pins | — | 32 |
| Data Bus Width | — | 8 bit |
| Instruction Set | — | AVR (131 instructions, mostly single-cycle) |
| Programming Interface | — | ISP / JTAG |
| RoHS Status | — | Compliant |