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MC100LVEL90
-3.3 V / -5 V Triple ECL Input to LVPECL Output Translator
Description The MC100LVEL90 is a triple ECL to LVPECL translator. The device
receives either −3.3 V or −5 V differential ECL signals, determined by the VEE supply level, and translates them to +3.3 V differential LVPECL output signals.
To accomplish the level translation, the LVEL90 requires three power rails. The VCC supply should be connected to the positive supply, and the VEE pin should be connected to the negative power supply. The GND pins, as expected, are connected to the system ground plane. Both VEE and VCC should be bypassed to ground via 0.01 mF capacitors.
Under open input conditions, the D input will be biased at VEE/2 and the D input will be pulled to VEE.