The DS2227 combines voltage monitoring circuitry with lithium-backed memory in a flexible architecture that can be accessed as 128k x 32, 256k x 16, or 512k x 8 bits.
Using precise comparators, the DS2227 monitors incoming Vcc for an out-or-tolerance condition. When such a condition occurs, the internal lithium energy source is automatically switched on and write protection is unconditionally enabled to prevent data corruption.
While the DS2227 is used like a standard static RAM, it can be flexibly configured by virtue of separate read, write, and chip-select bits for each of the four memory banks.
Dallas' nonvolatile memory chips are known throughout the industry for low-power consumption. They render data nonvolatile for greater than 10 years in the absence of power, greater than the useful like of the associated equipment.
Belle Isle 2020 05/29/2020 - 05/31/2020, Detroit, MI 2020 Detroit Grand Prix - Chevrolet Detroit Grand Prix presented by Lear Fast Facts The Chevrolet Detroit Grand Prix presented by Lear was hosted on Belle Isle, May 29 - 30 2020. The event featured the cars of the NTT IndyCar Series, the IMSA WeatherTech SportsCar Championship and the Trans Am Series presented by Pirelli. The weekend is collectively referred to as the Chevrolet Detroit Grand Prix presented by Lear and it once again featured the Chevrolet Dual in Detroit IndyCar doubleheader.
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