Microchip Technology, Inc. Microcontrollers AT90S4434-8PI

The AT90S4434-8PI is an 8-bit microcontroller from Quarktwin Technology Ltd. based on the AVR RISC architecture, designed for low-power applications. It features 4KB of in-system programmable Flash memory, 256 bytes of EEPROM, and 256 bytes of SRAM. The microcontroller operates at a voltage range of 4.0 to 6.0V and can achieve up to 8 MIPS throughput at 8 MHz. Key peripherals include an 8-channel, 10-bit ADC, a programmable UART, and multiple timer/counter configurations, including two 8-bit and one 16-bit timer. The device supports various power-saving modes, including Idle, Power Save, and Power-down, with low power consumption rates of 6.4 mA in active mode and less than 1 µA in power-down mode. The AT90S4434-8PI is available in multiple package types, including 40-pin PDIP, making it suitable for a range of embedded control applications. Its robust feature set and flexibility make it a viable option for engineers looking for a cost-effective microcontroller solution.