ATMEGA165A-MUR vs ATMEGA645A-MUR Comparison
Detailed side-by-side comparison of ATMEGA165A-MUR by Microchip Technology and ATMEGA645A-MUR 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
ATMEGA165A-MUR - 8-bit AVR MCU, 16KB Flash, 64-QFN | Microchip
ATMEGA165A-MUR ✓ ActiveMicrochip Technology
ATMEGA645A-MUR - 8-bit AVR MCU 64KB Flash 64-QFN | Microchip
ATMEGA645A-MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA165A-MUR | ATMEGA645A-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.19 | $6.30 |
| Core | AVR 8-bit RISC | — |
| Core Size | 8-Bit | — |
| Program Memory (Flash) | 16KB (8K x 16) | — |
| EEPROM | 512B | 2 KB |
| SRAM | 1KB | 4 KB |
| Maximum Clock Speed | 16MHz | — |
| Supply Voltage Range | 1.8V to 5.5V | — |
| General Purpose I/O | 54 | 54 I/O lines (family 54/69 depending on package) |
| Package / Case | 64-QFN (9x9 mm), exposed pad | — |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) | — |
| Debug Interface | JTAG (on-chip debug and boundary scan) | JTAG (debugWIRE/ICSP supported via MPLAB SNAP) |
| Instructions | 133 (most single-cycle) | — |
| ADC Resolution | 10-bit | — |
| Series | AVR ATmega | — |
| RoHS Status | unknown | Green / RoHS compliant (per FindIC listing) |
| Moisture Sensitivity Level | [DATA_NEEDED: MSL level] | — |
| Connectivity Peripherals | [DATA_NEEDED: UART/SPI/I2C configuration] | — |
| Core Architecture | — | AVR 8-bit RISC |
| Flash Memory | — | 64 KB (32K x 16) ISP Flash |
| Data Bus Width | — | 8 bit |
| Maximum Clock Frequency | — | 16 MHz (per DigiKey listing); family rated to 20 MHz |
| Supply Voltage | — | 4.5 V to 5.5 V |
| Working Registers | — | 32 general purpose |
| Package | — | 64-QFN / MLF, 9x9 mm |
| Temperature Range | — | Industrial (-40C to +85C) |
| Programming | — | In-System Programmable (ISP) Flash, read-while-write |
| Packaging | — | Tape & Reel (R suffix) |
| Lifecycle Status | — | Active |