ATMEGA128A-MUR vs ATMEGA64A-MU Comparison

Detailed side-by-side comparison of ATMEGA128A-MUR by Microchip Technology and ATMEGA64A-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
ATMEGA128A-MUR ATMEGA128A-MUR - 8-bit AVR MCU 128KB 16MHz 64-QFN | Microchip

ATMEGA128A-MUR - 8-bit AVR MCU 128KB 16MHz 64-QFN | Microchip

ATMEGA128A-MUR ✓ Active
Microchip Technology
ATMEGA64A-MU ATMEGA64A-MU - 8-Bit AVR MCU, 16MHz, 64KB Flash | Microchip

ATMEGA64A-MU - 8-Bit AVR MCU, 16MHz, 64KB Flash | Microchip

ATMEGA64A-MU ✓ Active

Specification Comparison

Parameter ATMEGA128A-MUR ATMEGA64A-MU
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $5.20 $4.24
Core Processor AVR —
Core Size 8-Bit —
Maximum Clock Speed 16 MHz —
Flash Memory 128 KB (64K x 16) 64 KB (32K x 16) ISP, read-while-write
EEPROM 4 KB 2 KB
SRAM 4 KB 4 KB
Supply Voltage Range 2.7 V to 5.5 V [DATA_NEEDED: Supply Voltage Range]
General Purpose I/O 53 lines 53 lines
Working Registers 32 general purpose 32
Instructions 133 powerful instructions, most single-cycle —
Timer/Counters 4 flexible timer/counters with compare modes and PWM 4 (two 8-bit, two 16-bit) plus RTC
Connectivity EBI/EMI, I2C (Two-Wire Interface), SPI, UART/USART (2x USART) —
Real-Time Counter Yes —
Package 64-VFQFN Exposed Pad (9x9 mm) 64-QFN (9x9 mm), exposed pad, surface mount
Mounting Type Surface Mount Surface Mount
Operating Temperature [DATA_NEEDED: operating temperature range] —
Packaging Tape & Reel (TR) —
Lifecycle Status Active —
Core Architecture — 8-bit AVR RISC
Max Clock Frequency — 16 MHz
USART Interfaces — 2
ADC — 8-channel 10-bit
TWI (I2C) — Yes, byte-oriented
SPI — Yes
JTAG Interface — Yes (on-chip debug and boundary scan)
Operating Temperature Range — [DATA_NEEDED: Operating Temperature Range]
Pin Compatibility — 100% pin compatible with ATmega103

Datasheets & Resources

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