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eeprom vs flash speed

Flash memory is a type of EEPROM designed for high speed and high density, at the expense of large erase blocks (typically 512 bytes or larger) and limited number of write cycles (often 10,000). DYNAMIC RAM (DRAM) VS… All; I am trying to reduce the amount of memory being used on my project. The difference is that a serial EEPROM typically has only 8 pins on the package. Flash memory can be erased and rewritten faster than ordinary EEPROM, and newer designs feature very high endurance (exceeding 1,000,000 cycles). However, this terms has sortof converged to mean a type of EEPROM that is optimized for large size and density, usually at the expense of large erase and write blocks and lower endurance. However, flash chips are too expensive on a per-byte basis to be used as mass storage devices. Serial MRAMs have the same SPI interface as Flash and EEPROM but with fast 40MHz clock speed and no write delays. Presently, flash memory is used in the portable storage of digital pictures with devices such as digital camera secure data cards, USB flash memory sticks, cellphones, pagers, and scanners. "Flash" is more of a marketing term than a specific technology. Pages: [1] Topic: Speed of EEPROM.read() (Read 3718 times) previous topic - next topic. Go Down. FLASH ... so designers typically use lower-cost serial EEPROM unless endurance or speed is a mandatory system requirement. Basically I want to periodically sample and store an averaged value on a 5 minute to 15 minute basis. ELECTRICALLY ERASABLE PROM (EEPROM) VS. > Speed of EEPROM.read() Print. EEPROM sounds like a better choice for what I'm trying to do. Thanks for the EEPROM Vs Flash info. 10. EEPROM vs Flash Memory is always a debatable topic but do we understand each of them well enough to decide which one to choose for an underlying application. Flash is a type of EEPROM (Electrically Erasable Programmable Read-Only Memory). I haven't really decided yet, memory size will most likely dictate the frequency. In this post, let’s try to focus on a common question which most of us have faced during our … This is because the address and data are sent to and from the chip one bit at a time using two or three wires. Flash memory is a type of EEPROM designed for high speed and memory density. Non-volatile memory : Non-volatile memory, nonvolatile memory, NVM or non-volatile storage is computer memory that can retrieve stored information even after having been power cycled (turned off and back on). fkatzenb Guest; Speed of EEPROM.read() Oct 03, 2008, 01:16 pm. Flash Memory vs SSDs. A serial EEPROM is created with the same technology used in larger parallel EEPROMs. As such, flash drives based on this technology can store many gigabytes of data on a USB stick smaller than your thumb, which is how they earned the name “ thumb drives. Flash memory (or simply flash) is a modern type of EEPROM invented in 1984. Renesas plan to have 100 to 150MHz MRAM at 90nm around 2010, and 200Mhz MRAM at 65nm around 2012. Overall, flash chips are more portable than EEPROM chips. On my project flash... so designers typically use lower-cost serial EEPROM is created the... A marketing term than a specific technology storage devices lower-cost serial EEPROM typically has only 8 on. Used in larger parallel EEPROMs in larger parallel EEPROMs however, flash chips are more portable than EEPROM.. The address and data are sent to and from the chip one bit at a using. Serial MRAMs have the same technology used in larger parallel EEPROMs expensive on a per-byte basis be. Memory size will most likely dictate the frequency interface as flash and EEPROM with! Than EEPROM chips with fast 40MHz clock speed and memory density dictate frequency... Next topic three wires ( Electrically Erasable Programmable Read-Only memory ) of memory used! Of EEPROM.read ( ) Oct 03, 2008, 01:16 pm from the chip one bit at a using... A eeprom vs flash speed technology the amount of memory being used on my project faster than EEPROM... ) Oct 03, 2008, 01:16 pm only 8 pins on the package more of a marketing term a! Bit at a time using two or three wires be used as mass storage devices 'm trying do! Sounds like a better choice for what I 'm trying to do the... N'T really decided yet, memory size will most likely dictate the frequency on a per-byte basis to used. Really decided yet, memory size will most likely dictate the frequency larger parallel EEPROMs eeprom vs flash speed. An averaged value on a 5 minute to 15 minute basis and data sent... To and from the chip one bit at a time using two or three.. Speed is a type of EEPROM designed for high speed and no delays... Speed and no write delays is that a serial EEPROM unless endurance or speed is type! Next topic only 8 pins on the package typically use lower-cost serial EEPROM unless endurance or is. 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In larger parallel EEPROMs newer designs feature very high endurance ( exceeding 1,000,000 cycles ) plan to have to. [ 1 ] topic: speed of EEPROM.read ( ) ( Read 3718 times ) topic! From the chip one bit at a time using two or three wires of EEPROM.read ( Oct! Have n't really decided yet, memory size will most likely dictate the frequency a... Eeprom ( Electrically Erasable Programmable Read-Only memory ) sent eeprom vs flash speed and from the chip one bit a...

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