Abstract
i»?The StrongARM latch topology finds wide usage as a sense amplifier, a comparator, or simply a robust latch with high sensitivity. The term âStrongARMâ commemorates the use of this circuit in Digital Equipment Corporationâs StrongARM microprocessor [1], but the basic structure was originally introduced by Toshibaâs Kobayashi et al. [2]. The StrongARM latch has become popular for three reasons: 1) it consumes zero static power, 2) it directly produces rail-to-rail outputs, and 3) its input-referred offset arises from primarily one differential pair. In this column, we study the circuit and its properties.
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