ATMEGA324P-A15AZ vs ATMEGA324P-20AUR Comparison
Detailed side-by-side comparison of ATMEGA324P-A15AZ by Microchip Technology and ATMEGA324P-20AUR 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
ATMEGA324P-A15AZ - 8-bit AVR MCU 32KB Flash 16MHz TQFP-44 | Microchip
ATMEGA324P-A15AZ β ActiveMicrochip Technology
ATMEGA324P-20AUR - 8-Bit AVR MCU 32KB 20MHz | Microchip
ATMEGA324P-20AUR β ActiveSpecification Comparison
| Parameter | ATMEGA324P-A15AZ | ATMEGA324P-20AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.05 | $4.52 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Flash Program Memory | 32 KB | β |
| EEPROM | 1 KB | 1 KB |
| SRAM | 2 KB | 2 KB |
| Maximum Clock Speed | 16 MHz | β |
| Supply Voltage | 4.5 V to 5.5 V | β |
| Family Supply Voltage Range | 2.7 V to 5.5 V (across variants) | β |
| General Purpose I/O | 32 lines | β |
| Working Registers | 32 general purpose | β |
| Instructions | 131 instructions, most single-cycle | β |
| Timers/Counters | 3 flexible timer/counters with compare modes and PWM | β |
| USART | 2 | β |
| Serial Interfaces | Two-Wire (I2C) byte-oriented serial interface | SPI master/slave, byte-oriented TWI (I2C) |
| ADC | 8-channel, 10-bit | 8-channel 10-bit successive approximation |
| Package | 44-TQFP, 10 x 10 mm, 1 mm height, 0.8 mm pitch | 44-pin TQFP (10 x 10 mm, 0.80 mm pitch) |
| Mounting Type | Surface Mount | Surface Mount |
| Qualification | Automotive, AEC-Q100 | β |
| Temperature Grade | Automotive | β |
| Special Technology | picoPower low power | β |
| Flash Programming | ISP with read-while-write | β |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | -40C to +85C (industrial) |
| Program Memory Size | β | 32 KB ISP Flash (16K x 16) |
| Maximum Clock Frequency | β | 20 MHz |
| Operating Voltage Range | β | 4.5 V to 5.5 V |
| General Purpose I/O Lines | β | 32 |
| General Purpose Working Registers | β | 32 |
| Instruction Set | β | 131 powerful instructions, most single-clock cycle |
| USART Interfaces | β | 2 |
| Timer/Counters | β | Three flexible timer/counters with compare modes and PWM |
| Real Time Counter | β | Yes, with separate oscillator |
| Flash Endurance | β | 10,000 write/erase cycles |
| EEPROM Endurance | β | 100,000 write/erase cycles |
| Programming Interfaces | β | SPI, JTAG, bootloader (ISP) |