ATMEGA164P-20AQR vs ATMEGA164P-15AT Comparison
Detailed side-by-side comparison of ATMEGA164P-20AQR by Microchip Technology and ATMEGA164P-15AT 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 - 16KB Flash 20MHz AVR MCU | Microchip
ATMEGA164P-20AQR ✓ ActiveMicrochip Technology
ATMEGA164P-15AT - 16MHz AVR MCU 16KB Flash 44-TQFP | Microchip
ATMEGA164P-15AT ✓ ActiveSpecification Comparison
| Parameter | ATMEGA164P-20AQR | ATMEGA164P-15AT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | — |
| Flash Memory | 16 KB (8K x 16) ISP Flash with read-while-write | — |
| EEPROM | 512 B | 512 B |
| SRAM | 1 KB | — |
| Maximum Clock Frequency | 20 MHz | — |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Throughput | Up to 20 MIPS (1 MIPS per MHz) | — |
| General Purpose I/O | 32 lines | — |
| Working Registers | 32 general purpose | — |
| Package | 44-TQFP (10x10 mm) | — |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (R suffix) | Tape & Reel (TR) |
| Debug / Programming | ICSP via 2 I/O pins + reset; MPLAB SNAP compatible | — |
| Low Power Technology | picoPower | — |
| Operating Temperature | [DATA_NEEDED: Operating Temperature Range] | — |
| Product Status | Active | — |
| Core | — | 8-bit AVR RISC |
| Program Memory Size | — | 16 KB (8K x 16) FLASH |
| RAM Size | — | 1K x 8 SRAM |
| Number of I/O | — | 32 |
| Maximum Clock Speed | — | 16 MHz |
| ADC Resolution | — | 10-bit |
| ADC Channels | — | 8-channel |
| Communication Interfaces | — | I2C (Two-Wire), SPI, 2x UART/USART |
| Timers/Counters | — | 3 (with compare modes and PWM) |
| Oscillator Type | — | Internal |
| Package / Case | — | 44-TQFP (10x10 mm) |
| Program Features | — | High-performance, low-power AVR 8-bit RISC, 131 instructions, 32 general-purpose working registers |
| Series | — | AVR ATmega, picoPower |