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| PartNumber | ATTINY45-20PU | ATTINY45-20MU | ATTINY45-20MUR |
| Description | 8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 6 I/O Pins | 8-bit Microcontrollers - MCU AVR 4K FLASH 256B EE & SRAM 5V 20 MHZ | 8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz, IND 5V |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | Through Hole | SMD/SMT | SMD/SMT |
| Package / Case | PDIP-8 | MLF-20 | MLF-20 |
| Series | ATtiny45 | ATtiny45 | ATtiny45 |
| Core | AVR | AVR | AVR |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 20 MHz | 20 MHz | 20 MHz |
| Program Memory Size | 4 kB | 4 kB | - |
| Data RAM Size | 256 B | 256 B | - |
| ADC Resolution | 10 bit | 10 bit | - |
| Number of I/Os | 6 I/O | 6 I/O | - |
| Operating Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Tube | Tray | Reel |
| Height | 3.3 mm | 0.75 mm | 0.75 mm |
| Length | 9.27 mm | 4 mm | 4 mm |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | - |
| Width | 6.35 mm | 4 mm | 4 mm |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | SRAM | - |
| Data ROM Size | 256 B | 256 B | - |
| Data ROM Type | EEPROM | EEPROM | - |
| Interface Type | USI | USI | - |
| Number of ADC Channels | 4 | 4 | - |
| Number of Timers/Counters | 2 Timer | 2 Timer | - |
| Processor Series | tinyAVR | tinyAVR | tinyAVR |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 50 | 490 | 6000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 2.7 V | 2.7 V | - |
| Tradename | AVR | AVR | AVR |
| Unit Weight | 0.032805 oz | 0.007055 oz | - |
| Moisture Sensitive | - | - | Yes |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
ATTINY45-20XUR | 8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz, IND 5V | |
| ATTINY45-20SUR | 8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz, IND 5V | ||
| ATTINY45-20PU | 8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 6 I/O Pins | ||
| ATTINY45-20XU | 8-bit Microcontrollers - MCU AVR 4K FLASH 256B EE & SRAM USI ADC 5V | ||
| ATTINY45-20MU | 8-bit Microcontrollers - MCU AVR 4K FLASH 256B EE & SRAM 5V 20 MHZ | ||
| ATTINY45-20SH | 8-bit Microcontrollers - MCU 4KB FLASH 256B EE 256B SRAM 20MHz | ||
| ATTINY45-20SHR | 8-bit Microcontrollers - MCU 4KB FLASH, 256B EE 256B SRAM - 20MHz | ||
| ATTINY45-20SU | 8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 6 I/O Pins | ||
| ATTINY45-20MUR | 8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz, IND 5V | ||
| ATTINY45-20XU SL561 | AVR, 4K FLASH, 256B SRAM , USI, ADC, 5V - 20MHZ, SOIC - Rail/Tube (Alt: ATTINY45-20XU SL561) | ||
| ATTINY45-20MUR | Microcontrollers - MCU 8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz, IND 5V | ||
| ATTINY45-20SUR | Microcontrollers - MCU 8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz, IND 5V | ||
| ATTINY45-20SHR | Microcontrollers - MCU 8-bit Microcontrollers - MCU 4KB FLASH, 256B EE 256B SRAM - 20MHz | ||
| ATTINY45-20SH | Microcontrollers - MCU 8-bit Microcontrollers - MCU 4KB FLASH 256B EE 256B SRAM 20MHz | ||
| ATTINY45-20PU | Microcontrollers - MCU 8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 6 I/O Pins | ||
| ATTINY45-20MU | Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 4K FLASH 256B EE & SRAM 5V 20 MHZ | ||
| ATTINY45-20XUR | Microcontrollers - MCU 8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz, IND 5V | ||
| ATTINY45-20XU | Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 4K FLASH 256B EE & SRAM USI ADC 5V | ||
| ATTINY45-20SU | Microcontrollers - MCU 8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 6 I/O Pins | ||
| ATTINY45-20PI | IC MCU 8BIT 4KB FLASH 8DIP | ||
| ATTINY45-20SI | IC MCU 8BIT 4KB FLASH 8SOIC | ||
| ATTINY45-20SU(PROG) | New and Original |