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2.5 V/3.3 V Any Level Positive Input to -3.3 V/-5.5 V NECL Output Translator
MC100EP91
Description The MC100EP91 is a triple any level positive input to NECL output
translator. The device accepts LVPECL, LVTTL, LVCMOS, HSTL, CML or LVDS signals, and translates them to differential NECL output signals (−3.0 V/−5.5 V).
To accomplish the level translation the EP91 requires three power rails. The VCC pins should be connected to the positive power supply, and the VEE pin should be connected to the negative power supply. The GND pins 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 VCC/2 and the D input will be pulled to GND.