Re: Looking for large serial EEPROM or FLASH like Atmel's DataFlash

From: Jens Hildebrandt (jens.hildebrandt_at_remove_this.etechnik.uni-rostock.de)
Date: 06/24/04

  • Next message: Reto Felix: "Re: Looking for large serial EEPROM or FLASH like Atmel's DataFlash" 
    Date: Thu, 24 Jun 2004 09:01:14 +0200

    Tom wrote:

    > I'm looking for a large serial EEPROM or FLASH chip that comes in a small
    > package and uses a serial interface. I need something in the range of 1024
    > kbit - 2048 kbit in an 8-SOIC or smaller package, and it needs to be as cheap
    > as possible. :)
    >
    > So far I've only found I2C EEPROMs like the 24C512, but these only seem to go
    > up to 512 kbit or 1024 kbit, and they also get very expensive when you go up
    > to that size. Atmel has their "DataFlash" series which are fairly inexpensive,
    > and they fit my needs in terms of package size and capacity, but the stupid
    > 264-byte page size and lack of linear addressing makes them almost unusable in
    > my application. I just don't have enough CPU cycles left over to divide by 264
    > every time I need to seek to a new location.
    >
    > Does anyone know of any other chips out there that have the same cost-per-bit
    > as the DataFlash and also have the same ease-of-use as the 24Cxx series?
    >
    > --Tom.
    How about this one (M25P20):
    http://www.st.com/stonline/books/pdf/docs/7736.pdf
    2MBit SPI-Flash from ST

    Jens

  • Next message: Reto Felix: "Re: Looking for large serial EEPROM or FLASH like Atmel's DataFlash"

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