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FM25L04 pdf datasheet (4Kb FRA
消耗积分:3 |
格式:rar |
大小:677 |
2008-09-23
石玉兰
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The FM25L04 is a 4-kilobit nonvolatile memory
employing an advanced ferroelectric process. A
ferroelectric random access memory or FRAM is
nonvolatile and performs reads and writes like a
RAM. It provides reliable data retention for 45 years
while eliminating the complexities, overhead, and
system level reliability problems caused by
EEPROM and other nonvolatile memories.
Unlike serial EEPROMs, the FM25L04 performs
write operations at bus speed. No write delays are
incurred. Data is written to the memory array
immediately after each byte has been transferred to
the device. The next bus cycle may commence
without the need for data polling. In addition, the
product offers virtually unlimited write endurance.
Also, FRAM exhibits much lower power
consumption than EEPROM.
These capabilities make the FM25L04 ideal for
nonvolatile memory applications requiring frequent
or rapid writes or low power operation. Examples
range from data collection, where the number of
write cycles may be critical, to demanding industrial
controls where the long write time of EEPROM can
cause data loss.
The FM25L04 provides substantial benefits to users
of serial EEPROM as a hardware drop-in
replacement. The FM25L04 uses the high-speed SPI
bus, which enhances the high-speed write capability
of FRAM technology. Device specifications are
guaranteed over an industrial temperature range of
-40°C to +85°C.
employing an advanced ferroelectric process. A
ferroelectric random access memory or FRAM is
nonvolatile and performs reads and writes like a
RAM. It provides reliable data retention for 45 years
while eliminating the complexities, overhead, and
system level reliability problems caused by
EEPROM and other nonvolatile memories.
Unlike serial EEPROMs, the FM25L04 performs
write operations at bus speed. No write delays are
incurred. Data is written to the memory array
immediately after each byte has been transferred to
the device. The next bus cycle may commence
without the need for data polling. In addition, the
product offers virtually unlimited write endurance.
Also, FRAM exhibits much lower power
consumption than EEPROM.
These capabilities make the FM25L04 ideal for
nonvolatile memory applications requiring frequent
or rapid writes or low power operation. Examples
range from data collection, where the number of
write cycles may be critical, to demanding industrial
controls where the long write time of EEPROM can
cause data loss.
The FM25L04 provides substantial benefits to users
of serial EEPROM as a hardware drop-in
replacement. The FM25L04 uses the high-speed SPI
bus, which enhances the high-speed write capability
of FRAM technology. Device specifications are
guaranteed over an industrial temperature range of
-40°C to +85°C.
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