ATMEGA6450-16AU vs ATMEGA640-16AUR Comparison

Detailed side-by-side comparison of ATMEGA6450-16AU by Microchip Technology and ATMEGA640-16AUR 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
ATMEGA6450-16AU ATMEGA6450-16AU - 8-Bit AVR MCU 16MHz 64KB Flash | Microchip

ATMEGA6450-16AU - 8-Bit AVR MCU 16MHz 64KB Flash | Microchip

ATMEGA6450-16AU ✓ Active
Microchip Technology
ATMEGA640-16AUR ATMEGA640-16AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-100 | Microchip

ATMEGA640-16AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-100 | Microchip

ATMEGA640-16AUR ✓ Active

Specification Comparison

Parameter ATMEGA6450-16AU ATMEGA640-16AUR
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $7.85 $6.20
Core Processor AVR —
Core Size 8-Bit —
Speed 16 MHz —
Program Memory Size 64 KB (32K x 16) Flash —
EEPROM Size 2 KB —
RAM Size 4 KB —
Supply Voltage (Vcc/Vdd) 4.5 V to 5.5 V —
Number of I/O [DATA_NEEDED: Number of I/O] —
ADC Resolution 10-bit —
Peripherals [DATA_NEEDED: Peripherals list] —
Connectivity [DATA_NEEDED: Connectivity (SPI, UART/USART, TWI)] —
Oscillator Type Internal —
Operating Temperature [DATA_NEEDED: Operating Temperature range] -40C to +85C (industrial)
Package / Case 100-TQFP (14x14 mm) —
Mounting Type Surface Mount Surface Mount
Program Memory Type In-System Programmable FLASH —
Architecture Advanced RISC, 130 instructions —
RoHS Status [DATA_NEEDED: RoHS status] Compliant
Core Architecture — 8-bit AVR RISC
Program Memory (Flash) — 64 KB (32K x 16)
SRAM — 8 KB
EEPROM — 4 KB
Maximum CPU Clock — 16 MHz
Operating Voltage (Vcc) — 4.5 V to 5.5 V
General-Purpose I/O Lines — 86
General-Purpose Working Registers — 32
Timer/Counters — 6 flexible timer/counters with compare/PWM
ADC — 10-bit, 8/16-channel
USART — 2 programmable serial USARTs
SPI — 1 master/slave SPI
TWI (I2C-compatible) — 1 byte-oriented 2-wire interface
Analog Comparator — On-chip
Watchdog Timer — Programmable, with separate on-chip oscillator
Package — 100-pin TQFP (14x14 mm)
In-System Programmable (ISP) — Yes

Datasheets & Resources

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