ATMEGA128-16MU vs ATMEGA1281-16MUR Comparison

Detailed side-by-side comparison of ATMEGA128-16MU by Microchip Technology and ATMEGA1281-16MUR 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
ATMEGA128-16MU

ATMEGA128-16MU - 8-Bit AVR MCU 16MHz 128KB Flash | Microchip

ATMEGA128-16MU βœ“ Active
Microchip Technology
ATMEGA1281-16MUR

ATMEGA1281-16MUR - 8-Bit AVR MCU 16MHz 128KB Flash | Microchip

ATMEGA1281-16MUR βœ“ Active

Specification Comparison

Parameter ATMEGA128-16MU ATMEGA1281-16MUR
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $6.40 $8.78
Core Architecture 8-bit AVR RISC β€”
CPU Speed 16 MHz β€”
Flash Memory 128 KB (64K x 16) In-System Programmable β€”
EEPROM 4 KB β€”
SRAM 4 KB β€”
GPIO Count 53 I/O lines β€”
ADC 8-channel 10-bit β€”
Timers/Counters 4 with compare modes and PWM 6 (flexible, with compare modes and PWM)
USART 2 β€”
TWI (I2C) Yes, byte-oriented Two-Wire Interface β€”
SPI Yes β€”
JTAG Yes, on-chip debugging and boundary scan β€”
Package 64-QFN (9x9 mm, MLF) 64-QFN (9x9 mm), VFQFN exposed pad
Mounting Type Surface Mount Surface Mount
Operating Temperature [DATA_NEEDED: operating temperature range] β€”
Supply Voltage Range [DATA_NEEDED: supply voltage range] 2.7 V to 5.5 V
RoHS Status [DATA_NEEDED: RoHS status] β€”
Compatibility 100% pin compatible with ATmega103 β€”
Core β€” AVR 8-bit RISC
Maximum Clock Frequency β€” 16 MHz
Program Memory Size β€” 128 KB (64K x 16) Flash
SRAM Size β€” 8 KB
EEPROM Size β€” 4 KB
Number of I/O Lines β€” 54
General Purpose Working Registers β€” 32
USART Channels β€” 4
Serial Interfaces β€” TWI (I2C-compatible), SPI
ADC Channels β€” 16-channel
Data Bus Width β€” 8 Bit
Temperature Range β€” Industrial (-40C to +85C)
Life Cycle Stage β€” Active

Datasheets & Resources

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