An integrated circuit device comprising: programmable logic fabric comprising configuration memory and programmable logic elements controlled by the configuration memory, wherein a first sector of the configuration memory is configured to be programmed with first configuration data; and sector-aligned memory apart from the programmable logic fabric, wherein the sector-aligned memory is associated with a corresponding sector of the programmable logic fabric, and wherein the sector-aligned memory comprises a first sector of the sector-aligned memory configured to cache the first configuration data while the first sector of the configuration memory is programmed with the first configuration data at a first time when the first configuration data is not cached in the sector-aligned memory, wherein: the first sector of the configuration memory is configured to be programmed with the first configuration data at the first time by receiving the first configuration data via a data source external to the integrated circuit device; the first sector of the configuration memory is configured to be programmed with the first configuration data at a second time by receiving the cached first configuration data from the first sector of the sector-aligned memory; and the first sector of the sector-aligned memory has a capacity greater than or equal to a capacity of the first sector of the configuration memory. programmable logic fabric comprising configuration memory and programmable logic elements controlled by the configuration memory, wherein a first sector of the configuration memory is configured to be programmed with first configuration data; and sector-aligned memory apart from the programmable logic fabric, wherein the sector-aligned memory is associated with a corresponding sector of the programmable logic fabric, and wherein the sector-aligned memory comprises a first sector of the sector-aligned memory configured to cache the first configuration data while the first sector of the configuration memory is programmed with the first configuration data at a first time when the first configuration data is not cached in the sector-aligned memory, wherein: the first sector of the configuration memory is configured to be programmed with the first configuration data at the first time by receiving the first configuration data via a data source external to the integrated circuit device; the first sector of the configuration memory is configured to be programmed with the first configuration data at a second time by receiving the cached first configuration data from the first sector of the sector-aligned memory; and the first sector of the sector-aligned memory has a capacity greater than or equal to a capacity of the first sector of the configuration memory. the first sector of the configuration memory is configured to be programmed with the first configuration data at the first time by receiving the first configuration data via a data source external to the integrated circuit device; the first sector of the configuration memory is configured to be programmed with the first configuration data at a second time by receiving the cached first configuration data from the first sector of the sector-aligned memory; and the first sector of the sector-aligned memory has a capacity greater than or equal to a capacity of the first sector of the configuration memory.