ATtiny40 Atmel Corporation, ATtiny40 Datasheet - Page 14

• Manufacturer Part Number: ATtiny40
• Manufacturer: Atmel Corporation

Specifications of ATtiny40

• Flash (kbytes): 4 Kbytes
• Pin Count: 20
• Max. Operating Frequency: 12 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 12
• Hardware Qtouch Acquisition: Yes
• Max I/o Pins: 18
• Ext Interrupts: 18
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 12
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 0.25
• Self Program Memory: NO
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8 to 5.5
• Operating Voltage (vcc): 1.8 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 4
• Input Capture Channels: 1
• Pwm Channels: 2
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

7.3
14
20M2
ATtiny40
E2
E
Package Drawing Contact:
[e-mail]
15
14
13
12
11
L
16
10
Pin 1 ID
BOTTOM VIEW
17
9
TOP VIEW
Pin #1 Chamfer
(C 0.3)
D2
18
D
8
19
7
TITLE
20M2, 20-pad, 3 x 3 x 0.85 mm Body, Lead Pitch 0.45 mm,
1.55 x 1.55 mm Exposed Pad, Thermally Enhanced
Plastic Very Thin Quad Flat No Lead Package (VQFN)
6
20
K
1
2
3
4
5
0.3 Ref (4x)
C0.18 (8X)
b
e
A
SYMBOL
A
A1
b
C
D
D2
E
E2
e
L
K
y
SIDE VIEW
A1
A1
C
0.75
0.00
0.17
2.90
1.40
2.90
1.40
0.35
0.20
0.00
COMMON DIMENSIONS
MIN
(Unit of Measure = mm)
–
GPC
ZFC
y
NOM
0.152
0.80
0.02
0.22
3.00
1.55
3.00
1.55
0.45
0.40
–
–
DRAWING NO.
MAX
20M2
0.85
0.05
0.27
3.10
1.70
3.10
1.70
0.45
0.08
–
–
8263AS–AVR–08/10
NOTE
10/24/08
REV.
B