ATMEGA16U4-AU vs ATMEGA32U4-AUR Comparison

Detailed side-by-side comparison of ATMEGA16U4-AU by Microchip Technology and ATMEGA32U4-AUR 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
ATMEGA16U4-AU ATMEGA16U4-AU - 8-Bit AVR MCU 16KB Flash USB 16MHz | Microchip

ATMEGA16U4-AU - 8-Bit AVR MCU 16KB Flash USB 16MHz | Microchip

ATMEGA16U4-AU ✓ Active
Microchip Technology
ATMEGA32U4-AUR ATMEGA32U4-AUR - 8-Bit AVR MCU, USB, 16MHz | Microchip

ATMEGA32U4-AUR - 8-Bit AVR MCU, USB, 16MHz | Microchip

ATMEGA32U4-AUR ✓ Active

Specification Comparison

Parameter ATMEGA16U4-AU ATMEGA32U4-AUR
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $2.19 $5.20
Core Processor AVR 8-bit RISC —
Core Size 8-bit —
Speed 16 MHz —
Flash Memory 16 KB (8K x 16) —
Boot Flash Section 8 KB —
EEPROM 1 KB (1024 B) 1 KB
SRAM 2.5 KB 2.5 KB
Supply Voltage Range 2.7 V to 5.5 V —
USB Controller USB 2.0 full-speed / low-speed device —
ADC 12-channel, 10-bit 12-channel, 10-bit
JTAG Interface Yes, on-chip debug —
Peripherals High-speed PWM, USB, JTAG, brown-out detect, power-on reset —
Instruction Set 133 powerful instructions, most single-cycle AVR
Package 44-TQFP (10x10 mm) 44-TQFP (10x10 mm)
Mounting Type Surface Mount Surface Mount
Life Cycle Stage Active —
Operating Temperature [DATA_NEEDED: Operating temperature range] —
Number of I/O [DATA_NEEDED: Number of I/O pins] —
Core Architecture — 8-bit AVR RISC
Flash Program Memory — 32 KB (16K x 16), self-programming ISP
Maximum Clock Frequency — 16 MHz
Throughput — 16 MIPS at 16 MHz
Instructions — 131 powerful instructions, most single-cycle
USB Interface — USB 2.0 full-speed/low-speed device with on-chip transceiver
Debug Interface — JTAG for on-chip debug
Operating Voltage Range — 2.7 V to 5.5 V
Temperature Range — Industrial (-40C to +85C)
RoHS Status — Compliant (lead-free, green)
Packaging — Tape & Reel (R suffix)

Datasheets & Resources

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