| PartNumber | CY15V104QSN-108LPXI | CY15V102QN-50SXE | CY15V104QI-20LPXCES |
| Description | F-RAM FRAM Excelon Ultra | F-RAM 2Mb F-RAM 50 MHz SPI | F-RAM 4Mb Inrush CC FRAM 20MHzSPI 1.71-1.89V |
| Manufacturer | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Product Category | F-RAM | F-RAM | F-RAM |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | GQFN-8 | SOIC-8 | GQFN-8 |
| Memory Size | 4 Mbit | 2 Mbit | 4 Mbit |
| Interface Type | SPI | SPI | SPI |
| Organization | 512 k x 8 | 256 k x 8 | 512 k x 8 |
| Supply Voltage Min | 1.71 V | 1.71 V | 1.71 V |
| Supply Voltage Max | 1.89 V | 1.89 V | 1.89 V |
| Minimum Operating Temperature | - 40 C | - 40 C | 0 C |
| Maximum Operating Temperature | + 85 C | + 125 C | + 70 C |
| Series | CY15B104 | CY15V102 | CY15V104 |
| Brand | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Moisture Sensitive | Yes | Yes | - |
| Operating Supply Voltage | 1.71 V to 1.89 V | 1.71 V to 1.89 V | 1.71 V to 1.89 V |
| Product Type | FRAM | FRAM | FRAM |
| Factory Pack Quantity | 490 | 188 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Tradename | Excelon | Excelon | Excelon LP |
| RoHS | - | Y | - |
| Packaging | - | Tube | - |