| PartNumber | ATTINY48-MMH | ATTINY48-AUR | ATTINY48-AU |
| Description | 8-bit Microcontrollers - MCU AVR 4KB, 64B EE 12MHz 256B SRAM, 5V | 8-bit Microcontrollers - MCU AVR 4KB FLSH 64B EE 256B SRAM-12MHz, IND | 8-bit Microcontrollers - MCU 4KB In-system Flash 12MHz 1.8V-5.5V |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | VQFN-28 | TQFP-32 | TQFP-32 |
| Series | ATtiny48 | ATtiny48 | ATtiny48 |
| Core | AVR | AVR | AVR |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 12 MHz | 12 MHz | 12 MHz |
| Program Memory Size | 4 kB | 4 kB | 4 kB |
| Data RAM Size | 256 B | 256 B | 256 B |
| ADC Resolution | 10 bit | 10 bit | 10 bit |
| Number of I/Os | 24 I/O | 28 I/O | 28 I/O |
| Operating Supply Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tray | Reel | Tray |
| Height | 0.88 mm | - | 1 mm |
| Length | 4 mm | - | 7 mm |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Width | 4 mm | - | 7 mm |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | SRAM | SRAM |
| Data ROM Size | 64 B | 64 B | 64 B |
| Data ROM Type | EEPROM | EEPROM | EEPROM |
| Interface Type | 2-Wire, I2S, SPI | SPI, TWI | I2C, SPI |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of ADC Channels | 6 | 6 | 8 Channel |
| Number of Timers/Counters | 2 Timer | 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 | 490 | 2000 | 250 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 1.8 V | 1.8 V | 1.8 V |
| Tradename | AVR | AVR | AVR |
| Unit Weight | - | 0.002568 oz | 0.002568 oz |
| Analog Supply Voltage | - | - | 1.8 V to 5.5 V |
| DAC Resolution | - | - | - |
| I/O Voltage | - | - | 1.8 V to 5.5 V |
| Watchdog Timers | - | - | Watchdog Timer |