FM25256, FM25256(B)-G, FM25256B Selling Leads, Datasheet
MFG:RAMTRON Package Cooled:SOP8 D/C:08+
FM25256, FM25256(B)-G, FM25256B Datasheet download
Part Number: FM25256
MFG: RAMTRON
Package Cooled: SOP8
D/C: 08+
FM25256, FM25256(B)-G, FM25256B
- Table of contents:
Info of FM25256
Info of FM25256(B)-G
Info of FM25256B
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About FM25256
PDF/DataSheet Download
Datasheet: FM25256
File Size: 123666 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
About FM20
PDF/DataSheet Download
Datasheet: FM20
File Size: 366164 KB
Manufacturer: FAIRCHILD [Fairchild Semiconductor]
Download : Click here to Download
About FM20
PDF/DataSheet Download
Datasheet: FM20
File Size: 366164 KB
Manufacturer: FAIRCHILD [Fairchild Semiconductor]
Download : Click here to Download
FM25256 General Description
The FM25256 is a 256-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 10 years while eliminating the complexities, overhead, and system level reliability problems caused by EEPROM and other nonvolatile memories.
Unlike serial EEPROMs, the FM25256 performs write operations at bus speed. No write delays are incurred. The next bus cycle may commence immediately without the need for data polling. The next bus cycle may start immediately. In addition, the product offers virtually unlimited write endurance.Also, FRAM exhibits much lower power consumption than EEPROM.
These capabilities make the FM25256 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 FM25256 provides substantial benefits to users of serial EEPROM as a hardware drop-in replacement. The FM25256 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
FM25256 Maximum Ratings
| Symbol | Description | Ratings |
| VDD |
Power Supply Voltage with respect to VSS |
-1.0V to +7.0V |
| VIN |
Voltage on any pin with respect to VSS |
-1.0V to +7.0V |
| TSTG |
Storage Temperature |
-55°C to + 125°C |
| TLEAD |
Lead temperature (Soldering, 10 seconds) |
300° C |
| VESD | Electrostatic Discharge Voltage - Human Body Model (JEDEC Std JESD22-A114-B) - Charged Device Model (JEDEC Std JESD22-C101-A) - Machine Model (JEDEC Std JESD22-A115-A) |
|
| Package Moisture Sensitivity Level |
MSL-1 |
FM25256 Features
256K bit Ferroelectric Nonvolatile RAM
• Organized as 32,768 x 8 bits
• Unlimited Read/Write Cycles
• 10 Year Data Retention
• NoDelay™ Writes
• Advanced High-Reliability Ferroelectric Process
• Organized as 32,768 x 8 bits
• Unlimited Read/Write Cycles
• 10 Year Data Retention
• NoDelay™ Writes
• Advanced High-Reliability Ferroelectric Process
FM25256 Connection Diagram
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