Datasheet Microchip ATtiny40

ManufacturerMicrochip
SeriesATtiny40

The high-performance, low-power Microchip 8-bit AVR RISC-based microcontroller combines 4KB ISP flash memory, 256B SRAM, 12 general purpose I/O lines, 16 general purpose working registers, an 8-bit timer/counter with two PWM channels, a 8/16-bit timer/counter, internal and external interrupts, an 8-channel 10-bit A/D converter, programmable watchdog timer with internal oscillator, a slave two-wire interface, a master/slave serial peripheral interface, an internal calibrated oscillator, and four software selectable power saving modes

Datasheets

ATtiny40 - Complete Datasheet
PDF, 5.8 Mb, File published: Jan 1, 2013
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ATtiny40 - Summary Datasheet
PDF, 472 Kb, File published: Jan 1, 2013
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Prices

Packaging

ATTINY40-MMHATTINY40-MMHRATTINY40-SUATTINY40-SURATTINY40-XUATTINY40-XUR
PackageVQFNVQFNSOICSOICTSSOPTSSOP

Parametrics

Parameters / ModelsATTINY40-MMHATTINY40-MMHRATTINY40-SUATTINY40-SURATTINY40-XUATTINY40-XUR
ADC Input121212121212
ADC with ComputationNoNoNoNoNoNo
Angular TimerNoNoNoNoNoNo
Architecture888888
CPU Type8-bit AVR8-bit AVR8-bit AVR8-bit AVR8-bit AVR8-bit AVR
CRCNoNoNoNoNoNo
Class B HardwareNoNoNoNoNoNo
High Voltage CapableNoNoNoNoNoNo
I2C111111
Internal OscillatorYesYesYesYesYesYes
Internal Voltage Reference, BandgapYesYesYesYesYesYes
Lead Count202020202020
Math AcceleratorNoNoNoNoNoNo
Max 16-Bit Digital Timers111111
Max 8-Bit Digital Timers111111
Max ADC Resolution, Bits101010101010
Max CPU Speed, MHz121212121212
Max PWM outputs, including complementary222222
Number of Comparators111111
Operation Voltage Max, V5.55.55.55.55.55.5
Operation Voltage Min, V1.81.81.81.81.81.8
Package Width3x3x0.85mm3x3x0.85mm.300in.300in4.4mm4.4mm
Peripheral Pin Select / Pin MuxingNoNoNoNoNoNo
Pin count202020202020
Program Memory Size, KB444444
SPI111111
SRAM, Bytes256256256256256256
Temp Range Max858585858585
Temp Range Min-40-40-40-40-40-40
Zero Cross detectNoNoNoNoNoNo

Model Line

Manufacturer's Classification

  • Microcontrollers > 8-bit Microcontrollers
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