The Analog Devices MAX934CPE is a quad comparator IC with an integrated voltage reference, designed for low-power applications. It features TTL/CMOS outputs and operates over a wide supply voltage range.
The AD8564AN is a quad 7 ns comparator from Analog Devices. It features 4 elements, CMOS/TTL output, and operates from -40°C to 85°C in a 16-DIP package.
The MAX9693EPE+ is a dual, ultra-fast ECL output comparator with latch enable, manufactured by Maxim Integrated. It offers a propagation delay of 1.2ns and is housed in a 16-PDIP package.