Blundell Thermal Physics · Problem 15.1

Information theory

Physics — Statistical Mechanics · information-theory-energy-per-bit

Problem

In a typical microchip, a bit is stored by a 5 fF capacitor using a voltage of 3 V. Calculate the energy stored in eV per bit and compare this with the minimum heat dissipation by erasure, which is kBTln⁡2k_BT\ln 2 per bit, at room temperature.

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