ATMEGA164PA-MCHR vs ATMEGA164P-20MUR Comparison
Detailed side-by-side comparison of ATMEGA164PA-MCHR 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
ATMEGA164PA-MCHR - 8-bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA164PA-MCHR β ActiveMicrochip Technology
ATMEGA164P-20MUR
ATMEGA164P-20MUR - 8-Bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA164P-20MUR β ActiveSpecification Comparison
| Parameter | ATMEGA164PA-MCHR | ATMEGA164P-20MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.71 | $1.50 |
| Core Architecture | AVR 8-bit RISC | AVR 8-bit RISC |
| Core Size | 8-Bit | β |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Flash Memory | 16 KB (8K x 16) | 16 KB (8K x 16) ISP Flash with read-while-write |
| 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 |
| General Purpose I/O Lines | 32 | β |
| USART Interfaces | 2 | β |
| Two-Wire Interface (TWI/I2C) | 1 | β |
| Timers/Counters | 3 flexible timer/counters with compare modes and PWM | 3 (with compare modes and PWM) |
| ADC | 8-channel 10-bit | 8-channel, 10-bit |
| Low Power Technology | picoPower | picoPower with multiple sleep modes |
| In-System Programming | ISP flash with read-while-write | β |
| Instructions | 133 powerful instructions, most single-cycle | β |
| Package | 44-VQFN (5x5 mm), exposed pad | 44-VQFN (7x7 mm), exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | β |
| MSL Rating | [DATA_NEEDED: moisture sensitivity level] | β |
| Instruction Set | β | 133 instructions, most single-cycle |
| Throughput | β | Up to 20 MIPS at 20 MHz |
| General Purpose I/O | β | 32 I/O lines |
| Working Registers | β | 32 general purpose registers |
| USART | β | 2 |
| Serial Interfaces | β | 2x USART, TWI (I2C-compatible), SPI |
| Real-Time Counter | β | Yes (32 kHz crystal) |
| Temperature Grade | β | Industrial (I suffix) |
| Lifecycle Stage | β | ACTIVE |