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Comparison

ATMEGA3290-16AU vs ATMEGA3290P-20AUR

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Mfr. Part #	ATMEGA3290-16AU	ATMEGA3290P-20AUR
Manufacturer	Microchip Technology	Microchip Technology
Description	MCU, 8BIT, MEGAAVR, 16MHZ, TQFP-100	MCU AVR 32K FLASH 20MHZ 100TQFP
Datasheet
RoHS
Specifications
Factory Lead Time	7 Weeks	6 Weeks
Mounting Type	Surface Mount	Surface Mount
Package / Case	100-TQFP	100-TQFP
Mount	Surface Mount	Surface Mount
Contact Plating	Tin	Tin
Number of Pins	100	100
Number of I/Os	69	69
Data Converters	A/D 8x10b	A/D 8x10b
Watchdog Timers	Yes	Yes
Operating Temperature	-40°C~85°C TA	-40°C~85°C TA
Packaging	Tray	Tape & Reel (TR)
Series	AVR® ATmega	AVR® ATmega
Published	2006	2009
JESD-609 Code	e3	-
Pbfree Code	yes	yes
Part Status	Active	Active
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)
Number of Terminations	100	100
Voltage - Supply	5V	5V
Terminal Position	QUAD	QUAD
Terminal Form	GULL WING	GULL WING
Peak Reflow Temperature (Cel)	260	-
Terminal Pitch	0.5mm	0.5mm
Frequency	16MHz	20MHz
Time@Peak Reflow Temperature-Max (s)	40	-
Base Part Number	ATMEGA3290	ATMEGA3290P
Interface	SPI, UART, USART	SPI, UART, USART
Memory Size	32kB	32kB
Oscillator Type	Internal	Internal
RAM Size	2K x 8	2K x 8
uPs/uCs/Peripheral ICs Type	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC
Core Processor	AVR	AVR
Peripherals	Brown-out Detect/Reset, LCD, POR, PWM, WDT	Brown-out Detect/Reset, LCD, POR, PWM, WDT
Program Memory Type	FLASH	FLASH
Core Size	8-Bit	8-Bit
Program Memory Size	32KB 16K x 16	32KB 16K x 16
Connectivity	SPI, UART/USART, USI	SPI, UART/USART, USI
Bit Size	8	8
Access Time	16 μs	-
Has ADC	YES	YES
DMA Channels	NO	NO
Data Bus Width	8b	8b
Number of Timers/Counters	3	3
EEPROM Size	1K x 8	1K x 8
Number of Programmable I/O	54	-
Number of ADC Channels	8	-
Number of PWM Channels	4	-
Number of I2C Channels	1	-
Number of SPI Channels	2	-
Length	14.1mm	14mm
Height	1.05mm	-
Width	14.1mm	-
REACH SVHC	No SVHC	-
Radiation Hardening	No	-
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Lead Free	Lead Free	-
Additional Feature	-	ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ
Qualification Status	-	Not Qualified
PWM Channels	-	YES
DAC Channels	-	NO
Voltage - Supply (Max)	-	5.5V
Voltage - Supply (Min)	-	4.5V
Height Seated (Max)	-	1.2mm
Pricing(USD)
Grads Price	Quantity Unit Price 1+ $7.48103 10+ $7.05757 100+ $6.65809 500+ $6.28121 1000+ $5.92567	-
Availability	3280	-
Price	$7.48103	-
Quantity