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Ferroelectric Memory Products
Product Series
FeRAM Features
4 Great Features
Non-volatility
1）Stored data are not disappeared at power off
2）No battery is needed for data retention
2）No battery is needed for data retention
Fast Write Speed
1）Enable to overwrite data without erase operation
2）No waiting time for erase/write operation
2）No waiting time for erase/write operation
High Read/Write Cycle Endurance
1）Guarantees 10 trillion(1013) read/write cycles
2）10 million times of EEPROM’s endurance
2）10 million times of EEPROM’s endurance
Low Power Consumption
1）No booster circuit for write operation
2）Reduce power consumption at writing by 92% than that of EEPROM
3）No data retention current to keep the data
2）Reduce power consumption at writing by 92% than that of EEPROM
3）No data retention current to keep the data
FeRAM Solutions to Customer Issues
If you are using EEPROM or SRAM in your products and have any of the following issues, please consider our FeRAM for your solutions. Please refer to the Comparison between FeRAM and other Memories shown below and the FeRAM whitepaper.
Customer Issues and Solutions
Comparison between FeRAM and other Memories
Comparison of Features
| FeRAM | EEPROM | FLASH | SRAM | |
| Non-volatile | Non-volatile | Non-volatile | Non-volatile | Volatile |
| Write Method | Overwrite | Erase + Write | Erase + Write | Overwrite |
| Write Cycle Time | 150ns | 5ms | 10µs | 55ns |
| Read/Write Cycles | 1013 | 106 | 105 | Unlimited |
| Booster Circuit | No | Yes | Yes | No |
| Data Backup Battery | No | No | No | Yes |
Serial FeRAM vs. EEPROM/Flash
Comparing with conventional non-volatile memory such as EEPROM and Flash, FeRAM has advantages in faster writing, higher endurance and lower power consumption. Using FeRAM instead of EEPROM and Flash has more advantages;
1.Performance Improvement
FeRAM enables to store data in writing even at sudden power outage because of fast writing speed. Not only that, FeRAM can record data more frequent than EEPROM and Flash memories. When writing the data, EEPROM and Flash memories need high voltage and thus, consume more power than FeRAM. Therefore, by using FeRAM, a battery life in the battery-operated small device can be extended.
In summary, FeRAM is;
Enables to store data in writing at sudden power outage
Enables to make fequent data logging
Enables to extend battery life of battery-operated device
Enables to make fequent data logging
Enables to extend battery life of battery-operated device
2.Total Cost Reduction
n the case of parameter writing to each product at factory, FeRAM can contribute to reduce manufacturing cost because FeRAM can shorten the writing time compared with EEPROM and Flash memories. In addition, FeRAM can give you one chip solution instead of multi-chip solution, e.g., 2 chips consisting of EEPROM+Flash, or 3 devices consisting of EEPROM+ SRAM+battery.
Shorten the writing time when parameter writing at factory
Reducing a number of parts used in end-product
Reducing a number of parts used in end-product
Parallel FeRAM vs. SRAM
FeRAM with parallel interface, which has compatibility with battery backup SRAM, can become a substitution of the SRAM. By replacing SRAM with the FeRAM, customers expect to get the following advantages.
1.Total Cost Reduction
System using SRAM needs to keep battery-status check. By replacing with FeRAM, customers can be freed from the burden of maintenance of battery check. In addition, FeRAM does not require battery socket and backflow prevention diode and the space for them, which SRAM requires. FeRAM's one chip solution can reduce the space and cost.
Maintenance free; battery exchange is unnecessary
Device downsizing; a number of parts for end-product can be reduced
Device downsizing; a number of parts for end-product can be reduced
2.Eco-Friendly Product
Used battery becomes industrial waste. By replacing SRAM + battery with FeRAM, unnecessary backup batteries can be reduced.
Reduce battery disposal
* EEPROM: Electronically Erasable and Programmable Read-Only Memory
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