Difference between revisions of "Memory devices"

Revision as of 19:30, 19 July 2021

Before getting into specific parts, a couple of articles on NAND and NOR based flash memory types:

• https://www.embedded.com/flash-101-nand-flash-vs-nor-flash/

Specific Memory Parts

Macronix International manufactures some 8Mbit FLASH NOR memory devices:

• https://www.arrow.com/en/products/mx25r8035fbhih2tr/macronix-international

https://static6.arrow.com/aropdfconversion/ae5e1f686626b324b1c1e8b308eed2526a2c94b7/696967906230222mx25r8035f20wide20range208mb20v1.6.pdf

Microchip memory devices:

• https://www.microchipdirect.com/product/SST25VF016B-50-4C-S2AF
• https://www.microchip.com/wwwproducts/en/SST25VF016B . . . good summary, links to more details and datasheet
An excerpt:

16Mb 2.7-3.6V SPI Serial Flash

Status: In Production
Features:

    Serial Interface Architecture– SPI Compatible: Mode 0 and Mode 3
    Up to 50 MHz Clock Frequency
    Superior Reliability– Endurance: 100,000 Cycles (typical)– Greater than 100 years Data Retention
    Low Power Consumption:– Active Read Current: 10 mA (typical)– Standby Current: 5 µA (typical)
    Flexible Erase Capability– Uniform 4 KByte sectors– Uniform 32 KByte overlay blocks– Uniform 64 KByte overlay blocks
    Fast Erase and Byte-Program:– Chip-Erase Time: 35 ms (typical)– Sector-/Block-Erase Time: 18 ms (typical)– Byte-Program Time: 7 µs (typical)

• https://www.microchip.com/wwwproducts/en/SST26VF016B

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