Differential driver circuit for computer system universal bus

摘要

The bidirectional differential driver is used with a personal computer bus that meets the requirements of the Universal Serial Bus, USB, standard. The unit contains a full speed driver, a low speed driver, a single ended receiver, differential receiver and all necessary logic. For special applications it may be used together with a voltage regulator, band gap circuit and a bias cell in order that a circuit with a 5V operating supply can be used with a 3.3 V PC bus.