| PartNumber | MB85RS256APNF-G-JNE1 | MB85RS256BPNF-G-JNERE1 | MB85RS256BPNF-G-JNE1 |
| Description | IC FRAM 256K SPI 25MHZ 8SOP | IC FRAM 256K SPI 33MHZ 8SOP | IC FRAM 256K SPI 33MHZ 8SOP |
| Manufacturer | Fujitsu Electronics America, Inc. | Fujitsu Electronics America, Inc. | Fujitsu Electronics America, Inc. |
| Product Category | Memory | Memory | Memory |
| Series | - | - | - |
| Packaging | Tube | Digi-ReelR Alternate Packaging | Tube Alternate Packaging |
| Package Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Interface | SPI Serial | SPI Serial | SPI Serial |
| Voltage Supply | 3 V ~ 3.6 V | 2.7 V ~ 3.6 V | 2.7 V ~ 3.6 V |
| Supplier Device Package | 8-SOP | 8-SOP | 8-SOP |
| Memory Size | 256K (32K x 8) | 256K (32K x 8) | 256K (32K x 8) |
| Memory Type | FRAM (Ferroelectric RAM) | FRAM (Ferroelectric RAM) | FRAM (Ferroelectric RAM) |
| Speed | 25MHz | 33MHz | 33MHz |
| Format Memory | RAM | RAM | RAM |