ATMEGA164P-20AQ vs ATMEGA164A-MU Comparison
Detailed side-by-side comparison of ATMEGA164P-20AQ 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-20AQ
ATMEGA164P-20AQ - 16KB Flash 8-bit AVR MCU 20MHz TQFP-44 | Microchip
ATMEGA164P-20AQ β ActiveMicrochip Technology
ATMEGA164A-MU
ATMEGA164A-MU - 8-bit AVR MCU 16KB Flash 20MHz VQFN-44 | Microchip
ATMEGA164A-MU β ActiveSpecification Comparison
| Parameter | ATMEGA164P-20AQ | ATMEGA164A-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.94 | $3.01 |
| Core Architecture | AVR 8-bit RISC | AVR 8-bit RISC |
| Flash Memory | 16 KB (8K x 16) ISP, read-while-write | β |
| EEPROM | 512 B | 512 B |
| SRAM | 1 KB | 1 KB |
| Maximum CPU Speed | 20 MHz | β |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| General Purpose I/O | 32 lines | 32 I/O lines |
| General Purpose Working Registers | 32 | β |
| Instruction Set | 131 instructions, mostly single-cycle | 133 powerful instructions, most single-cycle |
| MIPS Throughput | Up to 20 MIPS at 20 MHz | β |
| Package | 44-TQFP (10 x 10 mm) | 44-VQFN (7x7 mm) with exposed pad |
| Operating Temperature | -40C to +85C (extended, A suffix) | -40C to +85C (industrial) |
| ADC | 10-bit, 8 channels | 10-bit ADC (per family datasheet) |
| Serial Interfaces | USART, SPI, TWI (I2C) | β |
| Low Power Technology | picoPower | β |
| Watchdog Timer | Programmable WDT with separate oscillator | β |
| RoHS Status | Compliant (green package) | β |
| Mounting Type | Surface Mount | Surface Mount |
| Program Memory (FLASH) | β | 16 KB (8K x 16) ISP |
| Maximum Clock Frequency | β | 20 MHz |
| Throughput | β | Up to 20 MIPS (approx. 1 MIPS per MHz) |
| General Purpose Registers | β | 32 |
| Peripherals | β | Real-time counter, timers/PWM, WDT, brown-out detection |
| Programming Interface | β | ISP (In-System Programmable), read-while-write |
| Life Cycle Stage | β | Active |