ATTINY4313 in ATtiny Family
The ATTINY4313 is an 8-bit AVR RISC-based microcontroller sub-family developed by Microchip Technology, formerly Atmel. It is a pin-compatible upgrade to the legacy ATtiny2313, offering doubled flash memory capacity. These devices are optimized for low-power applications that require a small footprint but demand a higher pin count than the smallest ATtiny chips. They provide a versatile set of peripherals including a USART, SPI, and I2C compatibility, making them a staple for cost-sensitive embedded control.
Variants in This Sub-Family
Variants within the ATTINY4313 sub-family are distinguished primarily by their packaging and thermal specifications. The PU suffix denotes a 20-pin plastic dual-in-line package (PDIP), while the SU suffix indicates a small-outline SOIC package. There are also MU variants available in QFN/MLF for high-density layouts. Standard 'V' versions operate at lower clock speeds to maximize power efficiency at low voltages, whereas the base versions support the full 20MHz throughput at 4.5V and above.
