ATMEGA164PA-AU vs ATMEGA644PA-ANR Comparison
Detailed side-by-side comparison of ATMEGA164PA-AU by Microchip Technology and ATMEGA644PA-ANR 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-AU - 8-bit AVR MCU, 16KB Flash, 20MHz | Microchip
ATMEGA164PA-AU ✓ ActiveMicrochip Technology
ATMEGA644PA-ANR - 8-bit AVR MCU 64KB Flash 44-TQFP | Microchip
ATMEGA644PA-ANR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA164PA-AU | ATMEGA644PA-ANR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.75 | $3.35 |
| Core Architecture | 8-bit AVR RISC | — |
| Flash Memory | 16 KB (8K x 16) ISP FLASH | — |
| EEPROM | 512 B | — |
| SRAM | 1 KB | — |
| Maximum Clock Frequency | 20 MHz | — |
| Throughput | Up to 20 MIPS at 20 MHz | — |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| Number of I/O Lines | 32 | — |
| ADC | 8-channel, 10-bit | — |
| Timers/Counters | 3 (two 8-bit, one 16-bit) with PWM | — |
| USART | 2 | — |
| TWI (I2C) | Yes, byte-oriented | — |
| SPI | Yes | — |
| Instructions | 131, most single-cycle | — |
| Hardware Multiplier | On-chip 2-cycle multiplier | — |
| Package | 44-TQFP (10x10 mm) | — |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +105C |
| Low Power Technology | picoPower | — |
| RoHS Status | Compliant (green package) | Green (RoHS compliant per FindIC listing) |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Speed | — | 16 MHz |
| Program Memory Size | — | 64 KB (32K x 16) |
| Program Memory Type | — | FLASH |
| EEPROM Size | — | 2 KB |
| RAM Size | — | 4 KB |
| Number of I/O | — | 32 |
| Oscillator Type | — | Internal |
| Peripherals | — | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | — | I2C, SPI, USART |
| ADC Resolution | — | 10-bit, 8 channels |
| Architecture Features | — | 131 instructions, most single-cycle, 2-cycle on-chip multiplier |
| Package / Case | — | 44-TQFP (10x10 mm) |
| Packaging | — | Tape & Reel (TR) |
| Technology | — | picoPower |
| Voltage - Supply | — | [DATA_NEEDED: Voltage - Supply] |