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Comparison

ATMEGA1280-16AUR vs ATMEGA640-16AU

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Mfr. Part #	ATMEGA1280-16AUR	ATMEGA640-16AU
Manufacturer	Microchip Technology	Microchip Technology
Description	MCU AVR 128K FLASH 16MHZ 100TQFP	MCU 8-bit ATmega AVR RISC 64KB Flash 3.3V/5V 100-Pin TQFP
Datasheet
RoHS
Specifications
Factory Lead Time	7 Weeks	8 Weeks
Contact Plating	Tin	Tin
Mount	Surface Mount	Surface Mount
Mounting Type	Surface Mount	Surface Mount
Package / Case	100-TQFP	100-TQFP
Number of Pins	100	100
Supplier Device Package	100-TQFP (14x14)	-
Data Converters	A/D 16x10b	A/D 16x10b
Operating Temperature (Max)	85°C	-
Memory Types	FLASH	EEPROM, FLASH
Operating Temperature (Min)	-40°C	-
Number of I/Os	86	86
Watchdog Timers	Yes	Yes
Operating Temperature	-40°C~85°C TA	-40°C~85°C TA
Packaging	Tape & Reel (TR)	Tray
Series	AVR® ATmega	AVR® ATmega
Published	2007	2007
Part Status	Active	Active
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)
Voltage - Supply	2.7V~5.5V	5V
Frequency	16MHz	16MHz
Base Part Number	ATMEGA1280	ATMEGA640
Interface	CAN, EBI/EMI, I2C, SPI, UART, USART	2-Wire, EBI/EMI, I2C, SPI, UART, USART
Memory Size	48kB	64kB
Oscillator Type	Internal	Internal
Speed	16MHz	-
RAM Size	8K x 8	8K x 8
Core Processor	AVR	AVR
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT	Brown-out Detect/Reset, POR, PWM, WDT
Program Memory Type	FLASH	FLASH
Core Size	8-Bit	8-Bit
Program Memory Size	128KB 64K x 16	64KB 32K x 16
Connectivity	EBI/EMI, I2C, SPI, UART/USART	EBI/EMI, I2C, SPI, UART/USART
Data Bus Width	8b	8b
Number of Timers/Counters	6	6
Core Architecture	AVR	-
EEPROM Size	4K x 8	4K x 8
Max Frequency	16MHz	-
Number of Programmable I/O	86	-
Voltage - Supply (Max)	5.5V	5.5V
Voltage - Supply (Min)	2.7V	4.5V
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
JESD-609 Code	-	e3
Pbfree Code	-	yes
Number of Terminations	-	100
Termination	-	SMD/SMT
Terminal Position	-	QUAD
Terminal Form	-	GULL WING
Peak Reflow Temperature (Cel)	-	260
Terminal Pitch	-	0.5mm
Time@Peak Reflow Temperature-Max (s)	-	40
Power Supplies	-	3/5V
uPs/uCs/Peripheral ICs Type	-	MICROCONTROLLER, RISC
Number of Bits	-	8
Bit Size	-	8
Access Time	-	16 μs
Has ADC	-	YES
DMA Channels	-	NO
PWM Channels	-	YES
Density	-	512 kb
Number of ADC Channels	-	16
Number of I2C Channels	-	1
Height	-	1.05mm
Length	-	14.1mm
Width	-	14.1mm
REACH SVHC	-	No SVHC
Radiation Hardening	-	No
Lead Free	-	Lead Free
Pricing(USD)
Grads Price	-	Quantity Unit Price 1+ $9.1065 10+ $8.59104 100+ $8.10475 500+ $7.64599 1000+ $7.2132
Availability	541	5
Price	-	$9.1065
Quantity