ATMEGA164A-MU vs ATMEGA164P-20MUR Comparison
Detailed side-by-side comparison of ATMEGA164A-MU by Microchip Technology and ATMEGA164P-20MUR 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
ATMEGA164A-MU
ATMEGA164A-MU - 8-bit AVR MCU 16KB Flash 20MHz VQFN-44 | Microchip
ATMEGA164A-MU β ActiveMicrochip Technology
ATMEGA164P-20MUR
ATMEGA164P-20MUR - 8-Bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA164P-20MUR β ActiveSpecification Comparison
| Parameter | ATMEGA164A-MU | ATMEGA164P-20MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.01 | $1.50 |
| Core Architecture | AVR 8-bit RISC | AVR 8-bit RISC |
| Program Memory (FLASH) | 16 KB (8K x 16) ISP | β |
| EEPROM | 512 B | 512 B |
| SRAM | 1 KB | 1 KB |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Throughput | Up to 20 MIPS (approx. 1 MIPS per MHz) | Up to 20 MIPS at 20 MHz |
| Instruction Set | 133 powerful instructions, most single-cycle | 133 instructions, most single-cycle |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| General Purpose I/O | 32 I/O lines | 32 I/O lines |
| General Purpose Registers | 32 | β |
| ADC | 10-bit ADC (per family datasheet) | 8-channel, 10-bit |
| Peripherals | Real-time counter, timers/PWM, WDT, brown-out detection | β |
| Programming Interface | ISP (In-System Programmable), read-while-write | β |
| Package | 44-VQFN (7x7 mm) with exposed pad | 44-VQFN (7x7 mm), exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | β |
| Life Cycle Stage | Active | β |
| Flash Memory | β | 16 KB (8K x 16) ISP Flash with read-while-write |
| Working Registers | β | 32 general purpose registers |
| USART | β | 2 |
| Timers/Counters | β | 3 (with compare modes and PWM) |
| Serial Interfaces | β | 2x USART, TWI (I2C-compatible), SPI |
| Real-Time Counter | β | Yes (32 kHz crystal) |
| Low Power Technology | β | picoPower with multiple sleep modes |
| Temperature Grade | β | Industrial (I suffix) |
| Lifecycle Stage | β | ACTIVE |