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Author Topic: SRAM....Volatile or Non-Volatile  (Read 1912 times)

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Offline yoda_bearTopic starter

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SRAM....Volatile or Non-Volatile
« on: April 25, 2017, 03:22:49 pm »
Is there a way to find out from the part number whether a SRAM component is volatile or non-volatile? In particular, a Cypress component.

Thanks for any help.
« Last Edit: April 25, 2017, 03:26:28 pm by yoda_bear »
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Offline Fgrir

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Re: SRAM....Volatile or Non-Volatile
« Reply #1 on: April 25, 2017, 03:38:06 pm »
SRAM is volatile unless there is a battery attached to supply power 100% of the time.  That part has no built-in battery so you'd have to look at the rest of the board.
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Offline yoda_bearTopic starter

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Re: SRAM....Volatile or Non-Volatile
« Reply #2 on: April 25, 2017, 03:40:35 pm »
Thank you. No battery on the board
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Offline David Hess

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Re: SRAM....Volatile or Non-Volatile
« Reply #3 on: April 26, 2017, 09:28:33 am »
Cypress makes some nonvolatile SRAM which does not require a battery or external power but the CY62137 is just a normal low standby power SRAM.
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