Overview
HC125 is listed in the IC category. Available datasheets include documents from Fairchild Semiconductor, Hitachi Semiconductor, NXP Semiconductors and 3 more. DigiCamel provides a local PDF for online reference.
Summary
Quad. Bus Buffer Gates (with 3-state outputs)
Description
The HD74HC125, HD74HC126 require the 3-state control input C to be taken high to put the output into the high impedance condition, whereas the HD74HC125, HD74HC126 requires the control input to be low to put the output into high impedance.
Source title
HC125 Datasheet(PDF) - Hitachi Semiconductor