| Part
Number |
Package
Options |
Max
IO Pins |
Flash |
Vcc
Min |
|
SRAM |
Hardware
Multiplier |
SPI |
Watchdog |
Max.
Clock Speed |
RTC |
On
Chip Oscillator |
Interrupts |
External
Interrupts |
UART |
8-bit
Timer |
|
PWM |
10-bit
A/D Channels |
Brown
Out Detector |
TWI |
In
System Programming |
Self
Program Memory |
Analog
Comparator |
Notes |
| ATtiny11L |
8-Pin
DIP,
8-PIN SOIC |
6 |
1 KB |
2.7V |
|
32 Registers |
|
|
Yes |
2 MHz |
|
Yes |
4 |
1(+5) |
|
1 |
|
|
|
|
|
(+12V) |
|
Yes |
One external interrupt + interrupt
and wake-up on pin change (all I/O pins),
Note: Requires 12V signal on RESET pin during programming |
| ATtiny11 |
8-Pin DIP,
8-PIN SOIC |
6 |
1 KB |
4.0V |
|
32 Registers |
|
|
Yes |
6 MHz |
|
Yes |
4 |
1(+5) |
|
1 |
|
|
|
|
|
(+12V) |
|
Yes |
One external interrupt + interrupt and
wake-up on pin change (all I/O pins),
Note: Requires 12V signal on RESET pin during programming |
| ATtiny12V |
8-Pin DIP,
8-PIN SOIC |
6 |
1 KB |
1.8V |
64B |
32 Registers |
|
|
Yes |
1 MHz |
|
Yes |
5 |
1(+5) |
|
1 |
|
|
|
Yes |
|
Yes |
|
Yes |
One external interrupt + interrupt and
wake-up on pin change (all I/O pins),
Note: High accuracy (5%) internal RC oscillator |
| ATtiny12L |
8-Pin DIP,
8-PIN SOIC |
6 |
1 KB |
2.7V |
64B |
32 Registers |
|
|
Yes |
4 MHz |
|
Yes |
5 |
1(+5) |
|
1 |
|
|
|
Yes |
|
Yes |
|
Yes |
One external interrupt + interrupt and
wake-up on pin change (all I/O pins),
Note: High accuracy (5%) internal RC oscillator |
| ATtiny12 |
8-Pin DIP,
8-PIN SOIC |
6 |
1 KB |
4.0V |
64B |
32 Registers |
|
|
Yes |
8 MHz |
|
Yes |
5 |
1(+5) |
|
1 |
|
|
|
Yes |
|
Yes |
|
Yes |
One external interrupt + interrupt and
wake-up on pin change (all I/O pins),
Note: High accuracy (5%) internal RC oscillator |
| ATtiny15L |
8-Pin DIP,
8-PIN SOIC |
6 |
1 KB |
2.7V |
64B |
32 Registers |
|
|
Yes |
1.6 MHz |
|
Yes |
8 |
1(+5) |
|
2 |
|
1 |
4 |
Yes |
|
Yes |
|
Yes |
One external interrupt + interrupt and
wake-up on pin change (all I/O pins),
Note: High accuracy (5%) internal RC oscillator |
| ATtiny28V |
28-Pin DIP,
32-lead TQFP,
32-pad MLF |
11 |
2 KB |
1.8V |
|
32 Registers |
|
|
Yes |
1 MHz |
|
Yes |
5 |
2(+8) |
|
1 |
|
|
|
|
|
|
|
Yes |
High accuracy (5%) internal RC oscillator |
| ATtiny28L |
28-Pin DIP,
32-lead TQFP,
32-pad MLF |
11 |
2 KB |
2.7V |
|
32 Registers |
|
|
Yes |
4 MHz |
|
Yes |
5 |
2(+8) |
|
1 |
|
|
|
|
|
|
|
Yes |
High accuracy (5%) internal RC oscillator |
| AT90S1200 |
20-Pin DIP,
20-Pin SOIC,
20-Pin SSOP |
15 |
1 KB |
2.7V |
64B |
32 Registers |
|
|
Yes |
12 MHz |
|
Yes |
3 |
1 |
|
1 |
|
|
|
|
|
Yes |
|
Yes |
|
| AT90S2313 |
20-Pin DIP,
20-Pin SOIC |
15 |
2 KB |
2.7V |
128B |
128B+32 Registers |
|
|
Yes |
10 MHz |
|
|
10 |
2 |
1 |
1 |
1 |
1 |
|
|
|
Yes |
|
Yes |
|
| AT90LS2323 |
8-Pin DIP,
8-PIN SOIC |
3 |
2 KB |
2.7V |
128B |
128B+32 Registers |
|
|
Yes |
4 MHz |
|
|
2 |
1 |
|
1 |
|
|
|
|
|
Yes |
|
|
|
| AT90S2323 |
8-Pin DIP,
8-PIN SOIC |
3 |
2 KB |
4.0V |
128B |
128B+32 Registers |
|
|
Yes |
1 MHz,
10 MHz |
|
|
2 |
1 |
|
1 |
|
|
|
|
|
Yes |
|
|
|
| AT90LS2343 |
8-Pin DIP,
8-PIN SOIC |
4 |
2 KB |
2.7V |
128B |
128B+32 Registers |
|
|
Yes |
4 MHz |
|
Yes |
2 |
1 |
|
1 |
|
|
|
|
|
Yes |
|
|
|
| AT90S2343 |
8-Pin DIP,
8-PIN SOIC |
4 |
2 KB |
4.0V |
128B |
128B+32 Registers |
|
|
Yes |
10 MHz |
|
Yes |
2 |
1 |
|
|
|
|
|
|
|
Yes |
|
|
|
| AT90LS4433 |
28-Pin DIP,
32-Pin TQFP |
20 |
4 KB |
2.7V |
256B |
128B+32 Registers |
|
1 |
Yes |
4 MHz |
|
|
14 |
2 |
1 |
1 |
1 |
1 |
6 |
Yes |
|
Yes |
|
Yes |
|
| AT90S4433 |
28-Pin DIP,
32-Pin TQFP |
20 |
4 KB |
4.0V |
256B |
128B+32 Registers |
|
1 |
Yes |
8 MHz |
|
|
14 |
2 |
1 |
1 |
1 |
1 |
6 |
Yes |
|
Yes |
|
Yes |
|
| AT90S8515 |
40-Pin DIP,
44-Pin PLCC,
44-Pin TQFP |
32 |
8 KB |
2.7V,
4V |
512B |
512B+32 Registers |
|
1 |
Yes |
8 MHz |
|
|
11 |
2 |
1 |
1 |
1 |
2 |
|
|
|
Yes |
|
Yes |
|
| AT90LS8535 |
40-Pin DIP,
44-Pin PLCC,
44-Pin TQFP |
32 |
8 KB |
2.7V |
512B |
512B+32 Registers |
|
1 |
Yes |
4 MHz |
Yes |
|
15 |
2 |
1 |
2 |
1 |
3 |
8 |
|
|
Yes |
|
Yes |
|
| AT90S8535 |
40-Pin DIP,
44-Pin PLCC,
44-Pin TQFP |
32 |
8 KB |
4.0V |
512B |
512B+32 Registers |
|
1 |
Yes |
8 MHz |
Yes |
|
15 |
2 |
1 |
2 |
1 |
3 |
8 |
|
|
Yes |
|
Yes |
|
| ATmega161L |
40-Pin DIP,
44-Pin TQFP |
35 |
16 KB |
2.7V |
512B |
1 KB+32 Registers |
Yes |
1 |
Yes |
4 MHz |
Yes |
|
20 |
3 |
2 |
2 |
1 |
4 |
|
Yes |
|
Yes |
Yes |
Yes |
|
| ATmega161 |
40-Pin DIP,
44-Pin TQFP |
35 |
16 KB |
4.0V |
512B |
1 KB+32 Registers |
Yes |
1 |
Yes |
8 MHz |
Yes |
|
20 |
3 |
2 |
2 |
1 |
4 |
|
Yes |
|
Yes |
Yes |
Yes |
|
| ATmega32L |
40-Pin DIP,
44-Pin TQFP,
44-Pin MLF |
32 |
32 KB |
2.7V |
1 KB |
2 KB+32 Registers |
Yes |
1 |
Yes |
8 MHz |
Yes |
Yes |
19 |
3 |
1 |
2 |
1 |
4 |
8 |
Yes |
1 |
Yes |
Yes |
Yes |
High accuracy (5%) internal RC oscillator |
| ATmega32 |
40-Pin DIP,
44-Pin TQFP,
44-Pin MLF |
32 |
32 KB |
4.0V |
1 KB |
2 KB+32 Registers |
Yes |
1 |
Yes |
16 MHz |
Yes |
Yes |
19 |
3 |
1 |
2 |
1 |
4 |
8 |
Yes |
1 |
Yes |
Yes |
Yes |
High accuracy (5%) internal RC oscillator |
| ATmega103L |
64-Pin TQFP |
48 |
128 KB |
2.7V |
4 KB |
4 KB+32 Registers |
|
1 |
Yes |
4 MHz |
Yes |
|
16 |
8 |
1 |
2 |
1 |
4 |
8 |
|
|
Yes |
|
Yes |
Not recommended for new designs. Use Mega128L |
| ATmega103 |
64-Pin TQFP |
48 |
128 KB |
4.0V |
4 KB |
4 KB+32 Registers |
|
1 |
Yes |
6 MHz |
Yes |
|
16 |
8 |
1 |
2 |
1 |
4 |
8 |
|
|
Yes |
|
Yes |
|
| ATmega8 |
28-Pin DIP,
32-lead TQFP,
32-pad MLF |
23 |
8 KB |
4.5V |
512B |
1 KB+32 Registers |
Yes |
1 |
Yes |
16 MHz |
Yes |
Yes |
18 |
2 |
1 |
2 |
1 |
3 |
8 |
Yes |
1 |
Yes |
Yes |
Yes |
High accuracy (5%) internal RC oscillator |
| ATmega8L |
28-Pin DIP,
32-lead TQFP,
32-pad MLF |
23 |
8 KB |
2.7V |
512B |
1 KB+32 Registers |
Yes |
1 |
Yes |
8 MHz |
Yes |
Yes |
18 |
2 |
1 |
2 |
1 |
3 |
8 |
Yes |
1 |
Yes |
Yes |
Yes |
High accuracy (5%) internal RC oscillator |
| ATmega128 |
64-Pin TQFP/MLF |
53 |
128 KB |
4.5V |
4 KB |
4 KB+32 Registers |
Yes |
1 |
Yes |
16 MHz |
Yes |
Yes |
34 |
8 |
2 |
2 |
2 |
6 |
8 |
Yes |
1 |
Yes |
Yes |
Yes |
High accuracy (5%) internal RC oscillator |
| ATmega128L |
64-Pin TQFP/MLF |
53 |
128 KB |
2.7V |
4 KB |
4 KB+32 Registers |
Yes |
1 |
Yes |
8 MHz |
Yes |
Yes |
34 |
8 |
2 |
2 |
2 |
6 |
8 |
Yes |
1 |
Yes |
Yes |
Yes |
High accuracy (5%) internal RC oscillator |
| ATmega16 |
40-Pin DIP,
44-Pin TQFP/MLF |
32 |
16 KB |
4.5V |
512B |
1 KB+32 Registers |
Yes |
1 |
Yes |
16 MHz |
Yes |
Yes |
20 |
2 |
1 |
2 |
1 |
3 |
8 |
Yes |
1 |
Yes |
Yes |
Yes |
High accuracy (5%) internal RC oscillator |
| ATmega16L |
40-Pin DIP,
44-Pin TQFP/MLF |
32 |
16 KB |
2.7V |
512B |
1 KB+32 Registers |
Yes |
1 |
Yes |
8 MHz |
Yes |
Yes |
20 |
2 |
1 |
2 |
1 |
3 |
8 |
Yes |
1 |
Yes |
Yes |
Yes |
High accuracy (5%) internal RC oscillator |
| ATmega64 |
64-Pin TQFP/MLF |
53 |
64 KB |
4.5V |
2 KB |
4 KB+32 Registers |
Yes |
1 |
Yes |
16 MHz |
Yes |
Yes |
34 |
8 |
2 |
2 |
2 |
6 |
8 |
Yes |
1 |
Yes |
Yes |
Yes |
High accuracy (5%) internal RC oscillator |
| ATmega64L |
64-Pin TQFP/MLF |
53 |
64 KB |
2.7V |
2 KB |
4 KB+32 Registers |
Yes |
1 |
Yes |
8 MHz |
Yes |
Yes |
34 |
8 |
2 |
2 |
2 |
6 |
8 |
Yes |
1 |
Yes |
Yes |
Yes |
High accuracy (5%) internal RC oscillator |
