74HC125 74HCT125 74LV125 74LVC125】的更多相关文章

74HC125; 74HCT125Quad buffer/line driver; 3-state The 74HC125; 74HCT125 is a quad buffer/line driver with 3-state outputs controlled by the output enable inputs (nOE). A HIGH on nOE causes the outputs to assume a high impedance OFF-state. Inputs incl…
http://www.freelabs.com/~whitis/electronics/jtag/ One of the big issues in making a JTAG pod is level translation. The state of level translation ICs leaves a LOT to be desired. You would think that there would be a lot of chips that you could apply…