This paper proposes a new TTL-to-CMOS converter which has low power dissipation. This converter has no static power dissipation for typical TTL output voltage levels. The simulatio result shows that the power dissipation is reduced to about 1/20 of conventional level converter using CMOS inverters. It also has hysteresis due to the positive feedback which makes the converter noise immune. The logic threshold voltages in the hysteresis characteristic can be optimized by changing the size ratios of the transistors.
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