MC100EP40 3.3V / 5VECL Differential Phase-Frequency Detector Description The MC100EP40 is a threestate phasefrequency detector MC100EP40 Table 1. PIN DESCRIPTION V PLD V DD UU V NC V CC CC CC EE PIN FUNCTION 20 19 18 17 16 15 14 13 12 11 U, U ECL Up Differential Outputs D, D ECL Down Differential Outputs FB, FB ECL Feedback Differential Inputs R, R ECL Reference Differential Inputs PLD ECL Phase Lock Detect Function 1 2 3 4567 8 9 10 VTR ECL Internal Termination for R V VTFB VTFB FB FB RR VTR VTR V EE BB VTR ECL Internal Termination for R Warning: All V and V pins must be externally connected CC EE to Power Supply to guarantee proper operation. VTFB ECL Internal Termination for FB VTFB ECL Internal Termination for FB Figure 1. 20Lead Pinout (Top View) V Reference Voltage Output BB V Positive Supply CC V Negative Supply EE NC No Connect V TR 50 U C U A A R U R A C S U 50 FF A Reset R C V TR Reset D B D V TFB R D Reset FF B 50 S Reset (V) FB D B B FB D D D 50 V TFB V BB Figure 2. Logic Diagram