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| PartNumber | FM22L16-55-TG | FM22L16-55-TGTR | FM22L16-55-TG(RAMTRON) |
| Description | F-RAM 4M (256Kx16) 55ns F-RAM | F-RAM 4M (256Kx16) 55ns F-RAM | |
| Manufacturer | Cypress Semiconductor | Cypress Semiconductor | - |
| Product Category | F-RAM | F-RAM | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | TSOP-44 | TSOP-44 | - |
| Memory Size | 4 Mbit | 4 Mbit | - |
| Interface Type | Parallel | Parallel | - |
| Organization | 256 k x 16 | 256 k x 16 | - |
| Supply Voltage Min | 2.7 V | 2.7 V | - |
| Supply Voltage Max | 3.6 V | 3.6 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Series | FM22L16-55-TG | FM22L16-55-TG | - |
| Packaging | Tray | Reel | - |
| Access Time | 55 ns | 55 ns | - |
| Type | FRAM | FRAM | - |
| Brand | Cypress Semiconductor | Cypress Semiconductor | - |
| Moisture Sensitive | Yes | Yes | - |
| Operating Supply Voltage | 3.3 V | 3.3 V | - |
| Product Type | FRAM | FRAM | - |
| Factory Pack Quantity | 135 | 1000 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |
| Unit Weight | 0.015637 oz | - | - |