ATMEGA128-16AU vs ATMEGA64-16AJ Comparison

Detailed side-by-side comparison of ATMEGA128-16AU by Microchip Technology and ATMEGA64-16AJ 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
ATMEGA128-16AU ATMEGA128-16AU - 8-Bit AVR MCU, 128KB Flash, 16MHz | Microchip

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

ATMEGA128-16AU ✓ Active
Microchip Technology
ATMEGA64-16AJ ATMEGA64-16AJ - 8-Bit AVR MCU 16MHz 64KB Flash | Microchip

ATMEGA64-16AJ - 8-Bit AVR MCU 16MHz 64KB Flash | Microchip

ATMEGA64-16AJ ✓ Active

Specification Comparison

Parameter ATMEGA128-16AU ATMEGA64-16AJ
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $14.30 $6.40
Core Architecture 8-bit AVR RISC —
Flash Memory 128 KB (64K x 16) In-System Programmable —
SRAM 4 KB 4 KB
EEPROM 4 KB 2 KB
Maximum Clock Frequency 16 MHz —
Throughput 16 MIPS at 16 MHz (approx. 1 MIPS per MHz) —
Supply Voltage Range 4.5 V to 5.5 V (16 MHz speed grade) —
ADC 8-channel 10-bit —
Debug Interface JTAG for on-chip debugging —
Package 64-TQFP (14x14 mm) 64-TQFP (14x14 mm)
Mounting Type Surface Mount Surface Mount
Temperature Grade Industrial (IND TEMP) —
External Memory Interface Supported (up to 64 KB external data memory) —
Serial Interfaces 2x USART, SPI, Two-Wire Interface (I2C-compatible) —
RoHS Status Compliant (RoHS Y) [DATA_NEEDED: RoHS compliance status]
MSL Level [DATA_NEEDED: MSL rating] —
Operating Temperature Range [DATA_NEEDED: exact min/max operating temperature] —
Core Processor — AVR
Core Size — 8-Bit
Speed — 16 MHz
Flash Program Memory — 64 KB (32K x 16)
Operating Supply Voltage — 4.5 V to 5.5 V (5V)
ADC Channels — 8 channels, 10-bit
Peripherals — POR, PWM, WDT
Connectivity — I2C, SPI, UART/USART, JTAG
Number of I/O — 53
MIPS Throughput — 16 MIPS at 16 MHz
RISC Instruction Set — 130 instructions, most single-cycle
Operating Temperature — [DATA_NEEDED: operating temperature range]
Thermal Resistance (theta_JA) — [DATA_NEEDED: thermal resistance]
Oscillator Type — Internal + External (crystal/resonator)

Datasheets & Resources

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