| PartNumber | CY7C4221-15AXCT | CY7C4221-15JXC | CY7C4221-15AXC |
| Description | FIFO 1Kx9 IDT Compat SYNC FIFO COM | FIFO 1Kx9 IDT Compat SYNC FIFO COM | FIFO 1Kx9 IDT Compat SYNC FIFO COM |
| Manufacturer | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Product Category | FIFO | FIFO | FIFO |
| RoHS | Y | Y | Y |
| Data Bus Width | 9 bit | 9 bit | 9 bit |
| Bus Direction | Unidirectional | Unidirectional | Unidirectional |
| Memory Size | 8 kbit | 8 kbit | 8 kbit |
| Timing Type | Synchronous | Synchronous | Synchronous |
| Organization | 1 k x 9 | 1 k x 9 | 1 k x 9 |
| Number of Circuits | 2 | 2 | 2 |
| Maximum Clock Frequency | 66.7 MHz | 66.7 MHz | 66.7 MHz |
| Access Time | 10 ns | 10 ns | 10 ns |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 4.5 V | 4.5 V | 4.5 V |
| Supply Current Max | 35 mA | 35 mA | 35 mA |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Package / Case | TQFP-32 | PLCC-32 | TQFP-32 |
| Packaging | Reel | Tube | Tray |
| Height | 1 mm | 2.67 mm | 1 mm |
| Series | CY7C4221 | CY7C4221 | CY7C4221 |
| Width | 7 mm | 11.5 mm | 7 mm |
| Brand | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Moisture Sensitive | Yes | Yes | Yes |
| Operating Supply Voltage | 5 V | 5 V | 5 V |
| Product Type | FIFO | FIFO | FIFO |
| Factory Pack Quantity | 2000 | 60 | 250 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | 0.002568 oz | - | 0.002568 oz |