ATMEGA645-16MUR vs ATMEGA645A-MU Comparison

Detailed side-by-side comparison of ATMEGA645-16MUR by Microchip Technology and ATMEGA645A-MU 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
ATMEGA645-16MUR ATMEGA645-16MUR - 8-bit AVR MCU 64KB 16MHz 64-QFN | Microchip

ATMEGA645-16MUR - 8-bit AVR MCU 64KB 16MHz 64-QFN | Microchip

ATMEGA645-16MUR ✓ Active
Microchip Technology
ATMEGA645A-MU ATMEGA645A-MU - 8-Bit AVR MCU 16MHz 64KB Flash | Microchip

ATMEGA645A-MU - 8-Bit AVR MCU 16MHz 64KB Flash | Microchip

ATMEGA645A-MU ✓ Active

Specification Comparison

Parameter ATMEGA645-16MUR ATMEGA645A-MU
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $3.35 $3.70
Core Architecture 8-bit AVR RISC —
Core Size 8-Bit 8-Bit
Maximum Clock Frequency 16 MHz —
Program Memory Size 64 KB (32K x 16) Flash —
EEPROM Size 2 KB 2 KB
SRAM Size 4 KB —
Supply Voltage Range 4.5 V to 5.5 V —
Number of I/O 53 54 / 69 general purpose I/O lines
ADC Resolution 10 bit 10-bit
ADC Channels 8 —
Interfaces JTAG, SPI, USART, I2C (TWI) —
LCD Controller Yes (segment LCD driver) —
Throughput 16 MIPS at 16 MHz —
Package 64-QFN (9 x 9 mm) 64-QFN (9x9 mm) Exposed Pad (64-VFQFN)
Operating Temperature -40C to +85C (Industrial) [DATA_NEEDED: Operating Temperature]
Mounting Type Surface Mount Surface Mount
Packaging Tape & Reel, Green/RoHS —
Instructions 130 (most single-cycle) —
Core Processor — AVR
Speed — 16 MHz
Flash Memory — 64 KB (32K x 16)
RAM Size — 4 KB
Supply Voltage (Vcc/Vdd) — 1.8 V to 5.5 V
Oscillator Type — Internal + External
Programming Interface — ISP, JTAG, ICSP
Series — AVR ATmega
RoHS Status — Compliant

Datasheets & Resources

Browse All Products Create BOM Request Quote