How to test if a flash chip is ok?

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kimjin

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i want to test some flash chip, these flash cann't work right, i program the flash and read the flash, but the whole flash is A7E7, it isn't my program file's content.
how should i do to determine if the flash is good or not?
thanks.
 

Re: how to test a flash?

hi,
which chip u r using . it support SPI protocal .can u give the part number
 

Re: how to test a flash?

i'm using am29lv160db-70ei. can it use spi?
 

how to test a flash?

Without reading the data sheet for the part, you may be reading a status register, or some other type of register.
 

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