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ATtiny45
  • ATtiny45
  • ATtiny45
  • ATtiny45
  • ATtiny45
  • ATtiny45

ATtiny45

In Production

The high-performance, low-power Microchip 8-bit AVR® RISC-based microcontroller combines 4 KB ISP Flash memory, 256B EEPROM, 256B SRAM, six general purpose I/O lines, 32 general purpose working registers, one 8-bit timer/counter with compare modes, one 8-bit high-speed timer/counter, USI, internal and external Interrupts, 4-channel 10-bit A/D converter, programmable watchdog timer with internal oscillator, three software selectable power saving modes, and debugWIRE for on-chip debugging. The device achieves a throughput of 20 MIPS at 20 MHz and operates between 2.7-5.5 volts.By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching one MIPS per MHz, balancing power consumption and processing speed.Functional Safety: This product is recommended ...

Microchip Technology ATtiny45 Product Info

16 April 2026 0

Parameters

Program Memory Size (KB)

4

RAM

256

Data EEPROM (bytes)

256

Pin Count

8

Operation Voltage Max.(V)

5.5

Operation Voltage Min.(V)

1.8

ADC Resolution Max

10

ADC Channels

4

Zero Cross Detect

False

Number of Comparators

1

SPI

1

I2C

1

Stand alone PWM

6

Low Power

No

Numerically Controlled Oscillator (NCO)

0

Data Signal Modulator (DSM)

0

Description

The high-performance, low-power Microchip 8-bit AVR® RISC-based microcontroller combines 4 KB ISP Flash memory, 256B EEPROM, 256B SRAM, six general purpose I/O lines, 32 general purpose working registers, one 8-bit timer/counter with compare modes, one 8-bit high-speed timer/counter, USI, internal and external Interrupts, 4-channel 10-bit A/D converter, programmable watchdog timer with internal oscillator, three software selectable power saving modes, and debugWIRE for on-chip debugging. The device achieves a throughput of 20 MIPS at 20 MHz and operates between 2.7-5.5 volts.

By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching one MIPS per MHz, balancing power consumption and processing speed.

Functional Safety:

This product is recommended for safety-critical applications targeting industrial and automotive products (IEC 61508 and ISO 26262). Necessary documentation, such as the FMEDA report, can be provided on request. Contact your local Microchip sales office or your distributor for more information.

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