Thank you for contacting Cypress Community Forum. S29GL064N90FFIS20 is Secure Model which means the device offers a unique Permanent Sector Lock Algorithm that allows the host system to permanently secure the data in any desired sectors of the memory array via a software command at Vcc supply levels.
S2 = Uniform 64 KB sector device, WP#/ACC=VIL protect low addresses sector, LAA064 or LAE064
S29GL064N90FFI020 is standard product.
02 = x8/x16, VCC = VIO = 2.7 – 3.6 V, Uniform sector, WP#/ACC = VIL protects lowest addressed sector
Have a wonderful day
Many thanks for this information.
Is there a data sheet detailing this feature?
Can I assume that the part is a super set of the standard part and can be used as a direct replacement for the 02 version?
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There are few changes from standard S29GL064N. I will check with marketing about the documentation.
That's Great Thanks