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| PartNumber | ATTINY1634-MF | ATTINY1634-15XZ | ATTINY1634-15MZ |
| Description | 8-bit Microcontrollers - MCU AVR, 16KFLASH, +125C 12MHz, 4x4 QFN | 8-bit Microcontrollers - MCU TINY16K AUTO 125deg TSSOP20 | IC MCU 8BIT 16KB FLASH 20QFN |
| Manufacturer | Microchip | Microchip | - |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | QFN-20 | - | - |
| Series | ATtiny1634 | ATtiny1634 | - |
| Core | AVR | - | - |
| Data Bus Width | 8 bit | - | - |
| Maximum Clock Frequency | 12 MHz | - | - |
| Program Memory Size | 16 kB | - | - |
| Data RAM Size | 256 B | - | - |
| Operating Supply Voltage | 1.8 V to 5.5 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tray | - | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Processor Series | tinyAVR | - | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 490 | 4000 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Tradename | AVR | AVR | - |
| Unit Weight | 0.004339 oz | - | - |