DS1644-120 series datasheets. Manufacturer: Dallas Semiconductor.

DS1644-120 32K x 8 nonvolatile timekeeping static RAM, 120ns access in 34-pin LPM package. Operational temperature range from 0°C to 70°C. Datasheet*) DS1644-150 32K x 8 nonvolatile timekeeping static RAM, 150ns access in 34-pin LPM package. Operational temperature range from 0°C to 70°C. Datasheet*) There are other manufacturers for this components. For more information please check DS1644-120 (Maxim Integrated Products)

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