ATMEGA164P-20MU vs ATMEGA164A-MUR Comparison
Detailed side-by-side comparison of ATMEGA164P-20MU by Microchip Technology and ATMEGA164A-MUR 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-20MU - 8-bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA164P-20MU ✓ ActiveMicrochip Technology
ATMEGA164A-MUR - 16KB Flash AVR MCU 20MHz VQFN-44 | Microchip
ATMEGA164A-MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA164P-20MU | ATMEGA164A-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR | — |
| Core Size | 8-Bit | 8-bit |
| Speed | 20 MHz | — |
| Program Memory Size | 16 KB (8K x 16) FLASH | — |
| EEPROM Size | 512 B | — |
| RAM Size | 1 KB SRAM | — |
| Supply Voltage Range | 2.7 V to 5.5 V | 1.8 V to 5.5 V |
| Number of I/O | 32 | — |
| Timers/Counters | 3 (with compare modes and PWM) | — |
| Communication Interfaces | 2x USART, TWI (I2C), SPI | USART, SPI, TWI (I2C) |
| ADC | 8-channel 10-bit | — |
| RTC | Yes (real-time counter) | — |
| Instructions | 133 (advanced RISC, mostly single-cycle) | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +85C (industrial) |
| Package | 44-VQFN (7x7 mm) with Exposed Pad | 44-VQFN (7x7 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Low Power Technology | picoPower | — |
| Programming | ISP (In-System Programming), read-while-write | — |
| Core Architecture | — | AVR 8-bit RISC |
| Maximum Clock Frequency | — | 20 MHz |
| Flash Memory | — | 16 KB (8K x 16) |
| EEPROM | — | 512 B |
| SRAM | — | 1 KB |
| General Purpose I/O | — | 32 I/O lines |
| ADC Resolution | — | 10-bit |
| ADC Channels | — | 8 channels |
| Timers | — | 2 x 8-bit, 1 x 16-bit |
| Instruction Count | — | 133 instructions, most single-cycle |
| Packaging | — | Tape & Reel (T&R), Green |
| Moisture Sensitivity Level | — | [DATA_NEEDED: MSL level] |