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Part Series Datasheet Flash (Kbytes)
(Kbytes)
Pin Count Max. Operating Freq. (MHz)
(MHz)
CPU SRAM (Kbytes) EEPROM (Bytes) Max I\/O Pins picoPower Operating Voltage (Vcc) Temp. Range (deg C) # of Touch Channels Timers Watchdog 32kHz RTC Analog Comparators Temp. Sensor ADC Resolution (bits) ADC Channels DAC Channels UART SPI TWI (I2C) USB Interface PWM Channels Ethernet CAN
   
0
0.5
1
2
4
8
12
16
20
32
40
64
128
192
256
384
512
1024
2048
6
8
14
16
20
24
28
32
44
48
64
100
144
176
217
256
289
324
361
1
4
8
12
16
20
24
25
32
33
36
40
48
50
55
60
64
66
75
84
96
100
120
180
190
210
240
266
300
400
528
536
Cortex-M0+
Cortex-M3
Cortex-M4
Cortex-M7
Cortex-A5
8-bit AVR
32-bit AVR
ARM926
ARM920
ARM7TDMI
8051-1C
8051-12C
0.03
0.06
0.12
0.125
0.25
0.5
0.75
1
1.25
1.375
2
2.1
2.25
2.5
3.3
4
4.25
6
8
16
20
24
32
36
48
50
64
68
80
96
128
160
176
256
384
0
64
128
256
512
1024
2048
4096
8192
4
6
11
12
14
15
16
17
18
19
20
21
22
23
25
26
27
28
30
32
34
35
36
37
38
42
43
44
45
47
48
49
50
51
52
53
54
57
58
62
63
69
75
78
79
80
81
82
86
88
96
103
105
109
110
114
117
118
122
123
152
160
No
Yes
0.7 to 5.5
0.9 to 1.1
1.08 to 1.32
1.6 to 3.6
1.62 to 1.98
1.62 to 3.6
1.62 to 3.63
1.69 to 2.0
1.65 to 1.95
1.68 to 3.6
1.7 to 5.5
1.8 to 3.6
1.8 to 5.5
1.8 to 9.0
2.4 to 3.6
2.4 to 5.0
2.4 to 5.5
2.7 to 3.6
2.7 to 3.63
2.7 to 5.5
2.7 to 4.0
2.7 to 6.0
3.0 to 3.6
3.0 to 3.6 or 4.5 to 5.5
3.0 to 5.5
3.0-3.6 or (1.65-1.95+3.0-3.6)
4.0 to 25
4.0 to 5.5
4.0 to 6.0
-20 to 85
-30 to 85
-40 to 105
-40 to 125
-40 to 150
-40 to 85
0
1
3
4
5
6
8
11
12
13
14
16
17
21
23
25
28
31
32
56
60
72
96
110
120
182
192
256
1
2
3
4
5
6
7
8
9
10
14
No
Yes
0
1
2
3
4
8
No
Yes
10
12
16
8
3
4
5
6
7
8
10
11
12
14
15
16
20
24
28
0
1
2
4
0
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
10
12
0
1
2
3
4
5
6
Device
Device + OTG
Host, Device
No
0
2
3
4
6
7
8
9
10
12
13
14
15
16
18
19
20
22
24
35
36
0
1
2
0
1
2
ATtiny10 1 6 12 8-bit AVR 0.03 0 4 No 1.8 to 5.5 -40 to 125 1 1 Yes No 1 No 8 4 0 0 -- 0 No 2 0 0
ATtiny13 1 8 20 8-bit AVR 0.06 64 6 No 1.8 to 5.5 -40 to 85 -- 1 Yes No 1 No 10 4 -- 0 -- 0 No 2 0 0
ATtiny13A 1 8 20 8-bit AVR 0.06 64 6 Yes 1.8 to 5.5 -40 to 125 -- 1 Yes No 1 No 10 4 0 0 -- 0 No 2 0 0
ATtiny1634 16 20 12 8-bit AVR 1 256 18 Yes 1.8 to 5.5 -40 to 85 11 2 Yes Yes -- No 10 12 0 2 -- 1 -- 4 0 0
ATtiny167 16 20 16 8-bit AVR 0.5 512 16 No 1.8 to 5.5 -40 to 85 8 2 Yes Yes 1 Yes 10 11 0 1 2 1 No 9 0 0
ATtiny20 2 14 12 8-bit AVR 0.12 0 12 No 1.8 to 5.5 -40 to 85 5 2 Yes No 1 Yes 10 8 -- 0 1 1 No 3 0 0
ATtiny2313 2 20 20 8-bit AVR 0.12 128 18 No 1.8 to 5.5 -40 to 85 4 2 Yes No 1 No -- -- -- 1 2 1 No 4 0 0
ATtiny2313A 2 20 20 8-bit AVR 0.12 128 18 Yes 1.8 to 5.5 -40 to 85 4 2 Yes No 1 No -- -- -- 1 2 1 No 4 0 0
ATtiny24 2 14 20 8-bit AVR 0.12 128 12 No 1.8 to 5.5 -40 to 85 4 2 Yes No 1 Yes 10 8 -- 0 1 1 No 4 0 0
ATtiny24A 2 14 20 8-bit AVR 0.12 128 12 Yes 1.8 to 5.5 -40 to 85 4 2 Yes No 1 Yes 10 8 -- 0 1 1 No 4 0 0
ATtiny25 2 8 20 8-bit AVR 0.12 128 6 No 1.8 to 5.5 -40 to 105 4 2 Yes No 1 Yes 10 4 0 0 1 1 No 6 0 0
ATtiny26 2 20 16 8-bit AVR 0.12 128 16 No 2.7 to 5.5 -40 to 85 -- 2 Yes No 1 No 10 11 -- 0 1 1 No 4 0 0
ATtiny261A 2 20 20 8-bit AVR 0.12 128 16 Yes 1.8 to 5.5 -40 to 105 4 2 Yes No 1 Yes 10 11 0 0 1 1 No 6 0 0
ATtiny28L 2 28 4 8-bit AVR 0.03 0 11 No 1.8 to 5.5 -40 to 85 -- 1 Yes No 1 No -- -- -- 0 -- 0 No 0 0 0
ATtiny4 0.5 6 12 8-bit AVR 0.03 0 4 No 1.8 to 5.5 -40 to 125 0 1 Yes No 1 No -- -- 0 0 -- 0 No 2 0 0
ATtiny40 4 20 12 8-bit AVR 0.25 0 18 No 1.8 to 5.5 -40 to 85 12 2 Yes No 1 Yes 10 12 -- 0 1 1 No 2 0 0
ATtiny4313 4 20 20 8-bit AVR 0.25 256 18 Yes 1.8 to 5.5 -40 to 85 6 2 Yes No 1 No -- -- 0 1 2 1 No 4 0 0
ATtiny43U 4 20 8 8-bit AVR 0.25 64 16 Yes 0.7 to 5.5 -40 to 85 8 2 Yes No 1 Yes 10 4 -- 0 1 1 No 4 0 0
ATtiny44 4 14 20 8-bit AVR 0.25 256 12 No 1.8 to 5.5 -40 to 85 6 2 Yes No 1 Yes 10 8 0 0 1 1 No 4 0 0
ATtiny441 4 14 16 8-bit AVR 0.25 256 12 Yes 1.7 to 5.5 -40 to 85 0 3 Yes No -- Yes 10 12 0 2 1 1 No 6 0 0
ATtiny44A 4 14 20 8-bit AVR 0.25 256 12 Yes 1.8 to 5.5 -40 to 85 6 2 Yes No 1 Yes 10 8 0 0 1 1 No 4 0 0
ATtiny45 4 8 20 8-bit AVR 0.25 256 6 No 1.8 to 5.5 -40 to 85 3 2 Yes No 1 Yes 10 4 -- 0 1 1 No 6 0 0
ATtiny461 4 20 20 8-bit AVR 0.25 256 16 No 1.8 to 5.5 -40 to 85 8 2 Yes No 1 Yes 10 11 -- 0 1 1 No 6 0 0
ATtiny461A 4 20 20 8-bit AVR 0.25 256 16 Yes 1.8 to 5.5 -40 to 85 8 2 Yes No 1 Yes 10 11 0 0 1 1 No 6 0 0
ATtiny48 4 32 12 8-bit AVR 0.25 64 28 Yes 1.8 to 5.5 -40 to 85 12 2 Yes No 1 Yes 10 8 0 0 1 1 No 2 0 0
ATtiny5 0.5 6 12 8-bit AVR 0.03 0 4 No 1.8 to 5.5 -40 to 125 0 1 Yes No 1 No 8 4 -- 0 -- 0 No 2 0 0
ATtiny828 8 32 20 8-bit AVR 0.5 256 28 Yes 1.7 to 5.5 -40 to 85 -- 2 Yes Yes 1 No 10 28 0 1 1 1 No 4 0 0
ATtiny84 8 14 20 8-bit AVR 0.5 512 12 No 1.8 to 5.5 -40 to 85 6 2 Yes No 1 Yes 10 8 -- 0 1 1 No 4 0 0
ATtiny841 8 14 16 8-bit AVR 0.25 512 12 Yes 1.7 to 5.5 -40 to 85 0 3 Yes No 2 Yes 10 12 0 2 1 1 No 6 0 0
ATtiny84A 8 14 20 8-bit AVR 0.5 512 12 No 1.8 to 5.5 -40 to 85 6 2 Yes No 1 Yes 10 8 0 0 1 1 No 4 0 0
ATtiny85 8 8 20 8-bit AVR 0.5 512 6 No 1.8 to 5.5 -40 to 85 3 2 Yes No 1 Yes 10 4 -- 0 1 1 No 6 0 0
ATtiny861 8 20 20 8-bit AVR 0.5 512 16 No 1.8 to 5.5 -40 to 85 8 2 Yes No 1 Yes 10 11 0 0 1 1 No 6 0 0
ATtiny861A 8 20 20 8-bit AVR 0.5 512 16 Yes 1.8 to 5.5 -40 to 85 8 2 Yes No 1 Yes 10 11 0 0 1 1 No 6 0 0
ATtiny87 8 20 16 8-bit AVR 0.5 512 16 No 1.8 to 5.5 -40 to 85 -- 2 Yes Yes 1 Yes 10 11 -- 1 2 1 No 9 0 0
ATtiny88 8 32 12 8-bit AVR 0.5 64 28 Yes 1.8 to 5.5 -40 to 85 12 2 Yes No 1 Yes 10 8 -- 0 1 1 No 2 0 0
ATtiny9 1 6 12 8-bit AVR 0.03 0 4 No 1.8 to 5.5 -40 to 125 0 1 Yes No 1 No -- -- 0 0 -- 0 No 2 0 0