ATMEGA164P-15AT vs ATMEGA164A-MU Comparison
Detailed side-by-side comparison of ATMEGA164P-15AT by Microchip Technology and ATMEGA164A-MU 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-15AT - 16MHz AVR MCU 16KB Flash 44-TQFP | Microchip
ATMEGA164P-15AT ✓ ActiveMicrochip Technology
ATMEGA164A-MU - 8-bit AVR MCU 16KB Flash 20MHz VQFN-44 | Microchip
ATMEGA164A-MU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA164P-15AT | ATMEGA164A-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core | 8-bit AVR RISC | — |
| Program Memory Size | 16 KB (8K x 16) FLASH | — |
| RAM Size | 1K x 8 SRAM | — |
| EEPROM | 512 B | 512 B |
| Number of I/O | 32 | — |
| Maximum Clock Speed | 16 MHz | — |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| 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) | — |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | — |
| Program Features | High-performance, low-power AVR 8-bit RISC, 131 instructions, 32 general-purpose working registers | — |
| Series | AVR ATmega, picoPower | — |
| Core Architecture | — | AVR 8-bit RISC |
| Program Memory (FLASH) | — | 16 KB (8K x 16) ISP |
| SRAM | — | 1 KB |
| Maximum Clock Frequency | — | 20 MHz |
| Throughput | — | Up to 20 MIPS (approx. 1 MIPS per MHz) |
| Instruction Set | — | 133 powerful instructions, most single-cycle |
| General Purpose I/O | — | 32 I/O lines |
| General Purpose Registers | — | 32 |
| ADC | — | 10-bit ADC (per family datasheet) |
| Peripherals | — | Real-time counter, timers/PWM, WDT, brown-out detection |
| Programming Interface | — | ISP (In-System Programmable), read-while-write |
| Package | — | 44-VQFN (7x7 mm) with exposed pad |
| Operating Temperature | — | -40C to +85C (industrial) |
| Life Cycle Stage | — | Active |