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| PartNumber | CY7C4221-15AXC | CY7C4221-15AC | CY7C4221-15AC/25AC |
| Description | FIFO 1Kx9 IDT Compat SYNC FIFO COM | 1K x 9 Synchronous FIFO | |
| Manufacturer | Cypress Semiconductor | - | - |
| Product Category | FIFO | - | - |
| RoHS | Y | - | - |
| Data Bus Width | 9 bit | - | - |
| Bus Direction | Unidirectional | - | - |
| Memory Size | 8 kbit | - | - |
| Timing Type | Synchronous | - | - |
| Organization | 1 k x 9 | - | - |
| Number of Circuits | 2 | - | - |
| Maximum Clock Frequency | 66.7 MHz | - | - |
| Access Time | 10 ns | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 4.5 V | - | - |
| Supply Current Max | 35 mA | - | - |
| Minimum Operating Temperature | 0 C | - | - |
| Maximum Operating Temperature | + 70 C | - | - |
| Package / Case | TQFP-32 | - | - |
| Packaging | Tray | - | - |
| Height | 1 mm | - | - |
| Series | CY7C4221 | - | - |
| Width | 7 mm | - | - |
| Brand | Cypress Semiconductor | - | - |
| Mounting Style | SMD/SMT | - | - |
| Moisture Sensitive | Yes | - | - |
| Operating Supply Voltage | 5 V | - | - |
| Product Type | FIFO | - | - |
| Factory Pack Quantity | 250 | - | - |
| Subcategory | Memory & Data Storage | - | - |
| Unit Weight | 0.002568 oz | - | - |