MC100EP57DTG ON Semiconductor

MC10EP57, MC100EP57 3.3V / 5VECL 4:1 Differential Multiplexer Description The MC10/100EP57 is a fully differential 4:1 multiplexer. By leaving the SEL1 line open (pulled LOW via the input pulldown MC10EP57, MC100EP57 V SEL1 SEL0 V Q V V V V Q CC CC CC BB1 BB2 EE 20 19 18 17 16 15 14 13 12 11 4:1 1 2 3 4 567 8 9 10 V D0 D0 D1 D1 D2 D2 D3 D3 V CC EE Warning: All V and V pins must be externally connected CC EE to Power Supply to guarantee proper operation. Figure 1. 20Lead Package (Top View) and Logic Diagram Exposed Pad D0 V V SEL1 SEL0 CC CC 20 19 18 17 16 D0 1 15 V CC D1 2 14 Q D1 MC10/100EP57 3 13 Q 4 D2 12 V CC D2 5 11 V BB1 67 8 9 10 D3 D3 V V V EE EE BB2 NOTE: The Exposed Pad (EP) on package bottom must be attached to a heatsinking conduit. The Exposed Pad may only be electrically connected to V . EE Figure 1. QFN20 Pinout (Top View) Table 1. PIN DESCRIPTION Table 2. TRUTH TABLE PIN FUNCTION SEL1 SEL0 DATA OUT D0 3*, D0 3* ECL Differential Data Inputs L L D0, D0 SEL0*, SEL1* ECL MUX Select Inputs L H D1, D1 V , V ECL Reference Output Voltage H L D2, D2 BB1 BB2 Q, Q ECL Data Outputs H H D3, D3 V Positive Supply CC V Negative Supply EE EP Exposed Pad *Pins will default LOW when left open.