ATMEGA164P-20MQ vs ATMEGA164PA-MCHR Comparison
Detailed side-by-side comparison of ATMEGA164P-20MQ by Microchip Technology and ATMEGA164PA-MCHR 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-20MQ - 8-Bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA164P-20MQ ✓ ActiveMicrochip Technology
ATMEGA164PA-MCHR - 8-bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA164PA-MCHR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA164P-20MQ | ATMEGA164PA-MCHR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR | — |
| Core Size | 8-Bit | 8-Bit |
| Speed | 20 MHz | — |
| Flash Memory | 16 KB (8K x 16) | 16 KB (8K x 16) |
| EEPROM | 512 B | 512 B |
| SRAM | 1 KB | 1 KB |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Number of I/O | 32 | — |
| USART | 2 | — |
| ADC | 8-channel 10-bit | 8-channel 10-bit |
| Timers | 3 (with compare modes and PWM) | — |
| Two-Wire Interface (TWI/I2C) | Yes | 1 |
| SPI | Yes | — |
| Package | 44-VQFN (7x7 mm) with Exposed Pad | 44-VQFN (5x5 mm), exposed pad |
| Operating Temperature | -40C to +85C (extended) | [DATA_NEEDED: operating temperature range] |
| Mounting Type | Surface Mount | Surface Mount |
| Technology | picoPower | — |
| RoHS Status | Compliant (Green) | — |
| Core Architecture | — | AVR 8-bit RISC |
| Maximum Clock Frequency | — | 20 MHz |
| General Purpose I/O Lines | — | 32 |
| USART Interfaces | — | 2 |
| Timers/Counters | — | 3 flexible timer/counters with compare modes and PWM |
| Low Power Technology | — | picoPower |
| In-System Programming | — | ISP flash with read-while-write |
| Instructions | — | 133 powerful instructions, most single-cycle |
| MSL Rating | — | [DATA_NEEDED: moisture sensitivity level] |