DigiKey package reference image
The FM31278-G is a 256-Kbit processor companion with F-RAM, integrating nonvolatile memory, real-time clock, and supervisory functions in a 14-pin SOIC. Its 32K × 8 F-RAM array offers 100 trillion write cycles, 151-year data retention, I2C up to 1 MHz, and operation from 4.0 V to 5.5 V over -40°C to +85°C. Features include watchdog timer, low-voltage reset, power-fail comparator, event counters, and lockable 64-bit serial number. RTC and counters support battery backup.
Key Specifications
| Complete manufacturer part number | FM31278-G |
|---|---|
| Manufacturer | Infineon Technologies |
| Description | The FM31278-G is a 256-Kbit processor companion with F-RAM, integrating nonvolatile memory, real-time clock, and supervisory functions in a 14-pin SOIC. Its 32K × 8 F-RAM array offers 100 trillion write cycles, 151-year data retention, I2C up to 1 MHz, and operation from 4.0 V to 5.5 V over -40°C to +85°C. Features include watchdog timer, low-voltage reset, power-fail comparator, event counters, and lockable 64-bit serial number. RTC and counters support battery backup. |
| Package / case | PG-DSO-14-800 |
| Product category | F-RAM (Ferroelectric RAM) |
| Pins | 14 |
| Operating Temperature (manufacturer catalog) | -40 °C to 85 °C |
| Density (manufacturer catalog) | 256 kBit |
| Frequency (manufacturer catalog) | 1 MHz |
| Interfaces (manufacturer catalog) | I2C |
| Operating Voltage (manufacturer catalog) | 4 to 5.5 V |
| Organization (X x Y) (manufacturer catalog) | 32Kb x 8 |
| Real Time Clock (manufacturer catalog) | Y |
| Watchdog (manufacturer catalog) | Y |
| Density (manufacturer family record) | 256 kBit |
| Frequency (manufacturer family record) | 1 MHz |
| Peak Reflow Temp (manufacturer family record) | 260 °C |
| Family Name (Flip Electronics public specification) | FM31278 |
| Parameter source (third-party) | https://www.flipelectronics.com/Product/FM31278-G-45232 |
| In stock | Contact for availability |
| Unit price | Request a quote |
| Lead time | To be confirmed |
Technical documentation and image source
Package appearance reference; no specific lot or visible marking guarantee. Exact complete OPN, full mechanical suffix, nominal terminals and own frozen datasheet define this association; no electrical interchangeability or unshown-surface inference.
DigiKey package reference image for PG-DSO-14-800. Confirm electrical pin functions in the datasheet. Actual lot appearance and top marking require current-lot confirmation.
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