HDSM-431B/433B: 0.39-in. (10.0-mm) Single-Digit Surface-Mount ... SHF reserves the right to change specifications and design without notice - SHF 431B DFF Revision 001 - 16/May/2008 Page 2/6 Description The SHF 431B is a D-type flip-flop (DFF) module capable of broadband operation up to 55 Gbps. obtain a stable reference from 5.0volt logic supplies, and since The TS431/431A/431B operates as a shunt regulator, it can be used as either a positive or negative stage reference. This series is offered in 3-pin TO-92, SOT-89, SOT-23 and SOP-8 package. Slot SBC Passive Backplanes PCE-7B13-07A1E 13-slot BP for 14-slot chassis Segment: 1 One CPU card slot PCIe slot: Two x8, Three x4 KIA 431B datasheet datasheet, cross reference, circuit and application notes in pdf format.