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Comparison

ATMEGA3290-16AU vs ATMEGA3290P-20AU

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Mfr. Part #	ATMEGA3290-16AU	ATMEGA3290P-20AU
Manufacturer	Microchip Technology	Microchip Technology
Description	MCU, 8BIT, MEGAAVR, 16MHZ, TQFP-100	MCU, 8BIT, AVR, 32K FLASH, LCD, 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	-
Operating Temperature	-40°C~85°C TA	-40°C~85°C TA
Packaging	Tray	Tray
Series	AVR® ATmega	AVR® ATmega
Published	2006	2009
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
Voltage - Supply	5V	2.7V~5.5V
Terminal Position	QUAD	QUAD
Terminal Form	GULL WING	GULL WING
Peak Reflow Temperature (Cel)	260	260
Terminal Pitch	0.5mm	0.5mm
Frequency	16MHz	20MHz
Time@Peak Reflow Temperature-Max (s)	40	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	8
Number of PWM Channels	4	4
Number of I2C Channels	1	1
Number of SPI Channels	2	-
Length	14.1mm	14.1mm
Height	1.05mm	1.05mm
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
Termination	-	SMD/SMT
Density	-	256 kb
Voltage - Supply (Max)	-	5.5V
Pricing(USD)
Grads Price	Quantity Unit Price 1+ $7.48103 10+ $7.05757 100+ $6.65809 500+ $6.28121 1000+ $5.92567	Quantity Unit Price 1+ $18.30933 10+ $17.27295 100+ $16.29524 500+ $15.37287 1000+ $14.5027
Availability	3280	5000
Price	$7.48103	$18.30933
Quantity