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Infineon Technologies FM31256-GTR
- Part No.:
- FM31256-GTR
- Manufacturer:
- Infineon Technologies
- Category:
- Specialized ICs
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Description:
- IC PROCESSOR COMPANION 14SOIC
- Quantity:
Unit Price:$8.50
Ext Price:$425.00
- Payment:
- Shipping:
Product Details
FM31256-GTR - 256-Kbit F-RAM Processor Companion
FM31256-GTR from Infineon Technologies / Cypress is an end-of-life processor companion combining nonvolatile F-RAM, real-time clock and supervisory functions.
Specifications were checked against the manufacturer data sheet and current distributor listing.
Overview
FM31256 integrates 32K by 8 F-RAM with RTC/calendar, watchdog, power-fail monitoring, reset, event counters and a lockable serial number.
Key Advantages
F-RAM provides instant writes with extremely high endurance.
Integrated RTC and supervisor functions reduce processor-support components.
Available in an established surface-mount or through-hole ordering format.
Electrical and environmental limits are defined by the official data sheet.
Feature Summary
Processor companion with F-RAM and RTC
I2C up to 1 MHz
2.7 V to 5.5 V; -40 C to +85 C
14-SOIC (0.154", 3.90mm Width)
Package & Footprint
This ordering code uses the 14-SOIC (0.154", 3.90mm Width) package.
Pin Functions
Confirm exact numbering and the latest land pattern before PCB release.
Key Specifications
| Memory density | 256 Kbit |
|---|---|
| Organization | 32K x 8 |
| Memory type | Nonvolatile F-RAM |
| Write endurance | 100 trillion cycles |
| Retention | 151 years documented |
| Interface | I2C up to 1 MHz |
| RTC | Calendar with leap-year support |
| Supervisor | Watchdog, reset and power-fail monitor |
| Supply voltage | 2.7 V to 5.5 V |
| Operating temperature | -40 C to +85 C |
| Package | 14-pin SOIC |
| Lifecycle | End of life |
Replacement Considerations
FM24W256-GTR is a related product in the library. Confirm electrical behavior, package, pinout, ordering media and configuration before substitution.
Similarity of family name or package does not establish drop-in compatibility.
Manufacturer Information
Infineon acquired Cypress; the official product page identifies FM31256-GTR as discontinued.
Applications
Combines watchdog, reset and power-fail monitoring.
Stores high-write-cycle data and maintains time with backup power.
Quality & Authenticity
Match the complete ordering code, package marking and reel or lot label to authorized-channel records. Inspect moisture handling and solderability requirements before assembly.
FAQ
What is the main function?
Processor companion with F-RAM and RTC
What package is used?
14-SOIC (0.154", 3.90mm Width)
Can the related part be substituted directly?
No. Validate all electrical, mechanical and configuration differences first.
Is the package image ready?
No. The registered package JPG is currently missing.
Engineering Notice
Use the latest manufacturer documentation for schematic, PCB, thermal and production approval. Distributor attributes are useful for sourcing but do not replace the official data sheet.
FM31256-GTR Information
- Specifications
- Tags
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Processor Companion
- Applications:
- Processor-Based Systems
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
- Grade:
- -
- Qualification:
- -
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