ATMEGA164PA-AUR vs ATMEGA324PA-AU Comparison
Detailed side-by-side comparison of ATMEGA164PA-AUR by Microchip Technology and ATMEGA324PA-AU 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
ATMEGA164PA-AUR - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA164PA-AUR ✓ ActiveMicrochip Technology
ATMEGA324PA-AU - 32KB AVR MCU 20MHz TQFP-44 | Microchip
ATMEGA324PA-AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA164PA-AUR | ATMEGA324PA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.05 | $2.87 |
| Core Architecture | 8-bit AVR enhanced RISC | 8-bit AVR RISC |
| Program Memory (Flash) | 16 KB (8K x 16) in-system programmable | — |
| EEPROM | 512 B | 1 KB |
| SRAM | 1 KB | 2 KB |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Throughput | Up to 20 MIPS at 20 MHz (1 MIPS/MHz) | — |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| General Purpose I/O Lines | 32 | — |
| General Purpose Working Registers | 32 | — |
| ADC | 8-channel, 10-bit successive approximation | 8-channel 10-bit |
| Serial Interfaces | 2x USART, 1x TWI (I2C), 1x SPI | 2 USART, TWI (I2C), SPI |
| Timers | 2x 8-bit, 1x 16-bit with PWM and compare modes | — |
| Real-Time Counter | Yes, with separate oscillator | — |
| Operating Temperature Range | -40 C to +85 C (industrial) | — |
| Package | 44-pin TQFP (10x10 mm) | 44-TQFP (10 x 10 mm, 0.8 mm pitch) |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (AUR suffix) | — |
| Instruction Set | 131 powerful instructions, most single clock cycle | — |
| Programming Interfaces | SPI, JTAG (IEEE 1149.1), debugWIRE | — |
| RoHS Status | Compliant | Compliant |
| Flash Memory | — | 32 KB ISP Flash (16K x 16), read-while-write |
| Supply Voltage | — | 4.5 V to 5.5 V |
| I/O Lines | — | 32 |
| Working Registers | — | 32 general purpose |
| Instructions | — | 131 powerful instructions, most single-cycle |
| Timers/Counters | — | 3 with compare modes and PWM |
| Low-Power Technology | — | picoPower |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |
| MSL Rating | — | [DATA_NEEDED: moisture sensitivity level] |