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An Offset-Cancellation Technique Using Charge-Trap Transistors and Asynchronous Programming Scheme
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DOI：10.1109/TCSII.2024.3443421.png)
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Abstract
En 中文
In this brief, a novel offset-cancellation (OC) technique is proposed, utilizing differential pair Charge-Trap Transistors (CTTs) to cancel offset voltage (VOS). The threshold voltage (Vth) degradation of programmed CTTs is characterized and modeled in TSMC 22-nm technology. By utilizing the Vth degradation model of CTTs, an asynchronous programming scheme is proposed to selectively program one of the CTTs based on the differential Vth ( $\Delta $ Vth) in each programming (PRG) operation of the differential pair CTTs. The experiment shows that the $\Delta $ Vth effectively reduces to less than 1mV, and displays negligible retention loss at 27 degrees C and 85 degrees C based on the differential pair CTTs and asynchronous programming scheme.
Keywords:
Charge-trap transistors (CTTs)
offset-cancellation (OC)
differential threshold voltage (Delta Vth)
differential threshold voltage (Delta Vth)
differential threshold voltage (Delta Vth)
differential threshold voltage (Delta Vth)
differential threshold voltage (Delta Vth)
asynchronous programming
asynchronous programming
asynchronous programming
offset-cancellation (OC)
asynchronous programming
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