ATMEGA164P-20AQR vs ATMEGA164PA-AUR Comparison
Detailed side-by-side comparison of ATMEGA164P-20AQR by Microchip Technology and ATMEGA164PA-AUR 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
ATMEGA164P-20AQR
ATMEGA164P-20AQR - 16KB Flash 20MHz AVR MCU | Microchip
ATMEGA164P-20AQR β ActiveMicrochip Technology
ATMEGA164PA-AUR
ATMEGA164PA-AUR - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA164PA-AUR β ActiveSpecification Comparison
| Parameter | ATMEGA164P-20AQR | ATMEGA164PA-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.97 | $2.05 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR enhanced RISC |
| Flash Memory | 16 KB (8K x 16) ISP Flash with read-while-write | β |
| EEPROM | 512 B | 512 B |
| SRAM | 1 KB | 1 KB |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Supply Voltage Range | 2.7 V to 5.5 V | 1.8 V to 5.5 V |
| Throughput | Up to 20 MIPS (1 MIPS per MHz) | Up to 20 MIPS at 20 MHz (1 MIPS/MHz) |
| General Purpose I/O | 32 lines | β |
| Working Registers | 32 general purpose | β |
| Package | 44-TQFP (10x10 mm) | 44-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (R suffix) | Tape & Reel (AUR suffix) |
| Debug / Programming | ICSP via 2 I/O pins + reset; MPLAB SNAP compatible | β |
| Low Power Technology | picoPower | β |
| Operating Temperature | [DATA_NEEDED: Operating Temperature Range] | β |
| Product Status | Active | β |
| Program Memory (Flash) | β | 16 KB (8K x 16) in-system programmable |
| General Purpose I/O Lines | β | 32 |
| General Purpose Working Registers | β | 32 |
| ADC | β | 8-channel, 10-bit successive approximation |
| Serial Interfaces | β | 2x USART, 1x TWI (I2C), 1x SPI |
| Timers | β | 2x 8-bit, 1x 16-bit with PWM and compare modes |
| Real-Time Counter | β | Yes, with separate oscillator |
| Operating Temperature Range | β | -40 C to +85 C (industrial) |
| Instruction Set | β | 131 powerful instructions, most single clock cycle |
| Programming Interfaces | β | SPI, JTAG (IEEE 1149.1), debugWIRE |
| RoHS Status | β | Compliant |