ATMEGA324PB-ANR vs ATMEGA324A-AU Comparison
Detailed side-by-side comparison of ATMEGA324PB-ANR by Microchip Technology and ATMEGA324A-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
ATMEGA324PB-ANR - 8-bit AVR MCU 20MHz 32KB Flash | Microchip
ATMEGA324PB-ANR ✓ ActiveMicrochip Technology
ATMEGA324A-AU - AVR MCU 32KB Flash 20MHz TQFP-44 | Microchip
ATMEGA324A-AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA324PB-ANR | ATMEGA324A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.64 | $2.09 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Speed | 20 MHz | — |
| Program Memory Size | 32 KB (16K x 16) Flash | — |
| Program Memory Type | ISP FLASH | — |
| EEPROM Size | 1 KB | — |
| RAM Size | 2 KB SRAM | — |
| Number of I/O | 39 | — |
| Number of Timers/Counters | 5 flexible timer/counters | — |
| Connectivity | I2C, SPI, USART | — |
| Touch Controller | QTouch PTC, 32 self-cap / 256 mutual-cap buttons | — |
| Architecture Features | RISC, 32 general purpose working registers, picoPower | — |
| Supply Voltage | 5 V | — |
| Package / Case | 44-TQFP (10x10 mm) | — |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +85C (Industrial) |
| Grade | Extended Temperature, Green | — |
| Safety Qualification | Functional Safety (FuSa) supported family | — |
| RoHS Status | Compliant (Green package) | Compliant |
| Core Architecture | — | 8-bit AVR RISC |
| Flash Memory | — | 32 KB (ISP, read-while-write) |
| EEPROM | — | 1 KB |
| SRAM | — | 2 KB |
| Maximum CPU Frequency | — | 20 MHz |
| Supply Voltage Range | — | 1.8 V to 5.5 V (speed-grade dependent) |
| General Purpose I/O | — | 32 lines |
| General Purpose Working Registers | — | 32 |
| Instructions | — | 131 (most single-cycle) |
| Timers/Counters | — | 3 |
| Real Time Counter | — | Yes |
| Serial Interfaces | — | USART, SPI, 2-Wire (I2C/TWI) |
| In-System Programming | — | Yes (ISP) |
| Package Type | — | TQFP-44, 10 x 10 mm, 1 mm height, 0.8 mm pitch |
| Life Cycle Stage | — | Active |