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