ATmega Microcontroller Series - Comparison Table

ATmega Microcontrollers Specifications

Microcontroller	Package	Program Memory	SRAM	EEPROM	I/O Pins	Timers	A/D	SPI	I²C	PWM	USART	Oscillator	Datasheet
28 Pin PDIP
ATMEGA48V-10PI	PDIP28	4k	512	256	23	2x8,1x16	6x10-bit	Yes	Yes	6	Yes	10
ATMEGA8A-PU	PDIP28	8k	1024	512	23	2x8,1x16	6x10-bit	Yes	Yes	3	Yes	16
ATMEGA8L-8PU	PDIP28	8k	1024	512	23	2x8,1x16	6x10-bit	Yes	Yes	3	Yes	8
ATMEGA88-20PU	PDIP28	8k	1024	512	23	2x8,1x16	6x10-bit	Yes	Yes	6	Yes	20
ATMEGA88PA-PU	PDIP28	8k	1024	512	23	2x8,1x16	6x10-bit	Yes	Yes	6	Yes	20
ATMEGA88V-10PU	PDIP28	8k	1024	512	23	2x8,1x16	6x10-bit	Yes	Yes	6	Yes	10
ATMEGA168-20PU	PDIP28	16k	1024	512	23	2x8,1x16	6x10-bit	Yes	Yes	6	Yes	20
ATMEGA168V-10PU	PDIP28	16k	1024	512	23	2x8,1x16	6x10-bit	Yes	Yes	6	Yes	10
ATMEGA328-PU	PDIP28	32k	2048	1024	23	2x8,1x16	6x10-bit	Yes	Yes	6	Yes	20
ATMEGA328P-PU	PDIP28	32k	2048	1024	23	2x8,1x16	6x10-bit	Yes	Yes	6	Yes	20
40 Pin PDIP
ATMEGA8515-16PU	PDIP40	8k	512	512	35	1x8,1x16	Comparator	Yes	Yes	3	Yes	16
ATMEGA8515L-8PU	PDIP40	8k	512	512	35	1x8,1x16	Comparator	Yes	Yes	3	Yes	8
ATMEGA8535-16PU	PDIP40	8k	512	512	32	2x8,1x16	8x10-bit	Yes	Yes	4	Yes	16
ATMEGA8535L-8PU	PDIP40	8k	512	512	32	2x8,1x16	8x10-bit	Yes	Yes	4	Yes	8
ATMEGA16-16PU	PDIP40	16k	1024	512	32	2x8,1x16	8x10-bit	Yes	Yes	4	Yes	16
ATMEGA16A-PU	PDIP40	16k	1024	512	32	2x8,1x16	8x10-bit	Yes	Yes	4	Yes	16
ATMEGA162-16PU	PDIP40	16k	1024	512	35	2x8,2x16	Comparator	Yes	Yes	6	Yes	16
ATMEGA32-16PU	PDIP40	32k	2048	1024	32	2x8,1x16	8x10-bit	Yes	Yes	4	Yes	16
ATMEGA32A-PU	PDIP40	32k	2048	1024	32	2x8,1x16	8x10-bit	Yes	Yes	4	Yes	16
ATMEGA32L-8PU	PDIP40	32k	2048	1024	32	2x8,1x16	8x10-bit	Yes	Yes	4	Yes	8
ATMEGA644-20PU	PDIP40	64k	4096	2048	32	2x8,1x16	8x10-bit	Yes	Yes	6	Yes	20
ATMEGA644P-20PU	PDIP40	64k	4096	2048	32	2x8,1x16	8x10-bit	Yes	Yes	6	Yes	20
ATMEGA644PA-PU	PDIP40	64k	4096	2048	32	2x8,1x16	8x10-bit	Yes	Yes	6	Yes	20
ATMEGA644V-10PU	PDIP40	64k	4096	2048	32	2x8,1x16	8x10-bit	Yes	Yes	6	Yes	10
ATMEGA1284P-PU	PDIP40	128k	16384	4096	32	2x8,2x16	8x10-bit	Yes	Yes	6	Yes	20
32 Pin TQFP
ATMEGA48-20AU	TQFP32	4k	512	256	23	2x8,1x16	8x10-bit	Yes	Yes	6	Yes	20
ATMEGA48V-10AU	TQFP32	4k	512	256	23	2x8,1x16	8x10-bit	Yes	Yes	6	Yes	10
ATMEGA8-16AU	TQFP32	8k	1024	512	23	2x8,1x16	8x10-bit	Yes	Yes	3	Yes	16
ATMEGA168-20AU	TQFP32	16k	1024	512	23	2x8,1x16	8x10-bit	Yes	Yes	6	Yes	20
ATMEGA168PA-AU	TQFP32	16k	1024	512	23	2x8,1x16	8x10-bit	Yes	Yes	6	Yes	20
ATMEGA168V-10AU	TQFP32	16k	1024	512	23	2x8,1x16	8x10-bit	Yes	Yes	6	Yes	10
ATMEGA328P-AU	TQFP32	32k	2048	1024	23	2x8,1x16	8x10-bit	Yes	Yes	6	Yes	20
44 Pin TQFP
ATMEGA162-16AU	TQFP44	16k	1024	512	35	2x8,1x16	Comparator	Yes	Yes	6	Yes	16
ATMEGA16L-8AU	TQFP44	16k	1024	512	32	2x8,1x16	8x10-bit	Yes	Yes	4	Yes	8
ATMEGA32L-8AI	TQFP44	32k	2048	1024	32	2x8,1x16	8x10-bit	Yes	Yes	4	Yes	8
64 Pin TQFP
ATMEGA64-16AU	TQFP64	64k	4k	2k	53	2x8,2x16	8x10-bit	Yes	Yes	6	2	16
ATMEGA64A-AU	TQFP64	64k	4k	2k	53	2x8,2x16	8x10-bit	Yes	Yes	6	2	16
ATMEGA64L-8AU	TQFP64	64k	4k	2k	53	2x8,2x16	8x10-bit	Yes	Yes	6	2	8
ATMEGA128-16AU	TQFP64	128k	4k	4k	53	2x8,2x16	8x10-bit	Yes	Yes	6	2	16
ATMEGA128A-AU	TQFP64	128k	4k	4k	53	2x8,2x16	8x10-bit	Yes	Yes	6	2	16
ATMEGA128L-8AU	TQFP64	128k	4k	4k	53	2x8,2x16	8x10-bit	Yes	Yes	6	2	8

* The information appearing here is for comparison purposes only and to use the devices within their specifications, please consult the full datasheet.