This part is a kind of semiconductor called 74F125.

Function of this product has Quad Buffer (3-STATE).

Manufacturers : Fairchild Semiconductor

Image and pinout :

Some of the text within the PDF file :

74F125 Quad Buffer (3-STATE) April 1988 Revised July 1999 74F125 Quad Buffer (3-STATE) Features s High impedance base inputs for reduced loading Ordering Code: Order Number 74F125SC 74F125SJ 74F125PC Package Number M14A M14D N14A Package Description 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 Narrow 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Logic Symbol IEEE/IEC Connection Diagram Unit Loading/Fan Out U.L. Pin Names An, Bn On Description HIGH/LOW Inputs Outputs 1.0/0.033 600/106.6 (80) Input IIH/I IL Output I OH/IOL 20 µA/ −20 µA −12 mA/64 mA (48 mA) Func [ ... ]

74F125 PDF Datasheet Download