ATMEGA644PA-ANR vs ATMEGA164PA-AU Comparison
Detailed side-by-side comparison of ATMEGA644PA-ANR by Microchip Technology and ATMEGA164PA-AU 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
ATMEGA644PA-ANR - 8-bit AVR MCU 64KB Flash 44-TQFP | Microchip
ATMEGA644PA-ANR ✓ ActiveMicrochip Technology
ATMEGA164PA-AU - 8-bit AVR MCU, 16KB Flash, 20MHz | Microchip
ATMEGA164PA-AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA644PA-ANR | ATMEGA164PA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| 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) | — |
| Operating Temperature | -40C to +105C | [DATA_NEEDED: operating temperature range] |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | — |
| Technology | picoPower | — |
| Voltage - Supply | [DATA_NEEDED: Voltage - Supply] | — |
| RoHS Status | Green (RoHS compliant per FindIC listing) | Compliant (green package) |
| 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) |
| Low Power Technology | — | picoPower |