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Comparison

ATMEGA1280V-8AU vs ATMEGA640-16AU

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Mfr. Part #	ATMEGA1280V-8AU	ATMEGA640-16AU
Manufacturer	Microchip Technology	Microchip Technology
Description	IC MCU 8BIT 128KB FLASH 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
Data Converters	A/D 16x10b	A/D 16x10b
Number of I/Os	86	86
Watchdog Timers	Yes	Yes
Operating Temperature	-40°C~85°C TA	-40°C~85°C TA
Packaging	Tray	Tray
Series	AVR® ATmega	AVR® ATmega
Published	2007	2007
JESD-609 Code	e3	e3
Pbfree Code	yes	yes
Part Status	Active	Active
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)
Number of Terminations	100	100
Termination	SMD/SMT	SMD/SMT
Voltage - Supply	3V	5V
Terminal Position	QUAD	QUAD
Terminal Form	GULL WING	GULL WING
Peak Reflow Temperature (Cel)	260	260
Terminal Pitch	0.5mm	0.5mm
Frequency	8MHz	16MHz
Time@Peak Reflow Temperature-Max (s)	40	40
Base Part Number	ATMEGA1280	ATMEGA640
Power Supplies	2/5V	3/5V
Interface	2-Wire, EBI/EMI, I2C, SPI, UART, USART	2-Wire, EBI/EMI, I2C, SPI, UART, USART
Memory Size	128kB	64kB
Oscillator Type	Internal	Internal
RAM Size	8K x 8	8K x 8
uPs/uCs/Peripheral ICs Type	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC
Number of Bits	8	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
Bit Size	8	8
Access Time	8 μs	16 μs
Has ADC	YES	YES
DMA Channels	NO	NO
Data Bus Width	8b	8b
PWM Channels	YES	YES
Number of Timers/Counters	6	6
Address Bus Width	8b	-
Density	1 Mb	512 kb
EEPROM Size	4K x 8	4K x 8
Number of ADC Channels	16	16
Voltage - Supply (Max)	5.5V	5.5V
Voltage - Supply (Min)	2.7V	4.5V
Number of I2C Channels	1	1
Height	1.05mm	1.05mm
Length	14.1mm	14.1mm
Width	14.1mm	14.1mm
REACH SVHC	No SVHC	No SVHC
Radiation Hardening	No	No
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Lead Free	Lead Free	Lead Free
Memory Types	-	EEPROM, FLASH
Pricing(USD)
Grads Price	Quantity Unit Price 1+ $13.99951 10+ $13.20708 100+ $12.45951 500+ $11.75426 1000+ $11.08892	Quantity Unit Price 1+ $9.1065 10+ $8.59104 100+ $8.10475 500+ $7.64599 1000+ $7.2132
Availability	1500	5
Price	$13.99951	$9.1065
Quantity