| PartNumber | ATMEGA8HVA-4TU | ATMEGA8HVA-4CKUR | ATMEGA8HVA-4CKU |
| Description | 8-bit Microcontrollers - MCU AVR 8KB, 512B EE 4MHz 1KB SRAM 1.8-9V | Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 1KB SRAM - 4 MHZ | Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 8KB, 512B EE 4MHz 1KB SRAM 1.8-9V |
| Manufacturer | Microchip | Atmel | Atmel |
| Product Category | 8-bit Microcontrollers - MCU | Embedded - Microcontrollers | Embedded - Microcontrollers |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | TSOP-28 | - | - |
| Series | ATmega8HVA | AVRR ATmega | AVRR ATmega |
| Core | AVR | - | - |
| Data Bus Width | 8 bit | - | - |
| Maximum Clock Frequency | 4 MHz | - | - |
| Program Memory Size | 8 kB | 8KB (4K x 16) | 8KB (4K x 16) |
| Data RAM Size | 512 B | - | - |
| ADC Resolution | 12 bit | - | - |
| Number of I/Os | 6 I/O | - | - |
| Operating Supply Voltage | 1.8 V to 9 V | - | - |
| Minimum Operating Temperature | - 20 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tray | Digi-ReelR Alternate Packaging | Tray Alternate Packaging |
| Height | 1 mm | - | - |
| Length | 11.8 mm | - | - |
| Product | MCU | - | - |
| Program Memory Type | Flash | FLASH | FLASH |
| Width | 8 mm | - | - |
| Brand | Microchip Technology / Atmel | - | - |
| Data RAM Type | SRAM | - | - |
| Data ROM Size | 256 B | - | - |
| Data ROM Type | EEPROM | - | - |
| Interface Type | SPI | - | - |
| Moisture Sensitive | Yes | - | - |
| Number of ADC Channels | 5 | - | - |
| Number of Timers/Counters | 2 Timer | - | - |
| Processor Series | megaAVR | - | - |
| Product Type | 8-bit Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 234 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Supply Voltage Max | 9 V | - | - |
| Supply Voltage Min | 1.8 V | - | - |
| Tradename | AVR | - | - |
| Package Case | - | 36-WFLGA | 36-LFLGA |
| Operating Temperature | - | -20°C ~ 85°C (TA) | -20°C ~ 85°C (TA) |
| Supplier Device Package | - | 36-LGA (6.5x3.5) | 36-LGA (6.5x3.5) |
| Number of I O | - | 7 | 7 |
| Speed | - | 4MHz | 4MHz |
| EEPROM Size | - | 256 x 8 | 256 x 8 |
| Core Processor | - | AVR | AVR |
| RAM Size | - | 512 x 8 | 512 x 8 |
| Peripherals | - | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | - | SPI | SPI |
| Voltage Supply Vcc Vdd | - | 1.8 V ~ 9 V | 1.8 V ~ 9 V |
| Core Size | - | 8-Bit | 8-Bit |
| Data Converters | - | A/D 5x12b | A/D 5x12b |
| Oscillator Type | - | Internal | Internal |