MCH12140

www.DataSheet4U.com MCH12140, MCK12140 Phase-Frequency Detector Description The MCH/K12140 is a phase frequency−detector intended for phase−locked loop applications which require a minimum amount of phase and frequency difference at lock. When used in conjunction with high performance VCO such as the MC100EL1648, a high bandwidth PLL can be realized. The device is functionally compatible with the MC12040 phase−frequency detector with the maximum frequency extending to 800 MHz. When the Reference (R) and VCO (V) inputs are unequal in frequency and/or phase, the differential UP (U) and DOWN (D) outputs will provide pulse streams which when subtracted and integrated provide an error voltage for control of a VCO. See AND8040 for further information. The device is packaged in a small outline, surface mount 8−lead SOIC package. There are two versions of the device to provide I/O compatibility to the two existing ECL standards. The MCH12140 is compatible with MECL 10H™ logic levels while the MCK12140 is compatible to 100 K ECL logic levels. This device can also be used in +5.0 V systems. See AND8020 for termination information Features http://onsemi.com MARKING DIAGRAM 8 8 1 SOIC−8 D SUFFIX CASE 751 1 x A L Y W G x140 ALYW G = H or K = Assembly Location = Wafer Lot = Year = Work Week = Pb−Free Package 800 MHz Typical Bandwidth Small Outline 8-Lead SOIC Package 75 kW Internal Input Pulldown Resistors >1000 V ESD Protection Pb−Free Packages are Available For proper operation, the...