ATMEGA164A-MCHR vs ATMEGA164PA-MCHR Comparison
Detailed side-by-side comparison of ATMEGA164A-MCHR 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
ATMEGA164A-MCHR
ATMEGA164A-MCHR - 8-bit AVR MCU 16KB Flash 20MHz QFN-44 | Microchip
ATMEGA164A-MCHR β ActiveMicrochip Technology
ATMEGA164PA-MCHR - 8-bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA164PA-MCHR β ActiveSpecification Comparison
| Parameter | ATMEGA164A-MCHR | ATMEGA164PA-MCHR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.01 | $2.71 |
| Core Architecture | AVR 8-bit RISC | AVR 8-bit RISC |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Flash Memory | 16 KB (8K x 16) ISP Flash | 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 |
| General Purpose I/O | 32 I/O lines | β |
| General Purpose Working Registers | 32 registers | β |
| Instruction Set | 133 instructions, mostly single-cycle | β |
| Throughput | Up to 1 MIPS per MHz | β |
| Package | 44-QFN (MLF) 5x5 mm | 44-VQFN (5x5 mm), exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature (Max) | 85 C | β |
| Packaging | Tape and Reel (R suffix) | β |
| Programming | In-System Programmable (ISP), read-while-write | β |
| Debug Interface | In-Circuit Debug via MPLAB SNAP (ICSP) | β |
| Lifecycle Status | Active | β |
| RoHS Status | [DATA_NEEDED: RoHS compliance status] | β |
| Core Size | β | 8-Bit |
| General Purpose I/O Lines | β | 32 |
| USART Interfaces | β | 2 |
| Two-Wire Interface (TWI/I2C) | β | 1 |
| Timers/Counters | β | 3 flexible timer/counters with compare modes and PWM |
| ADC | β | 8-channel 10-bit |
| Low Power Technology | β | picoPower |
| In-System Programming | β | ISP flash with read-while-write |
| Instructions | β | 133 powerful instructions, most single-cycle |
| Operating Temperature | β | [DATA_NEEDED: operating temperature range] |
| MSL Rating | β | [DATA_NEEDED: moisture sensitivity level] |