Asynchronous FIFO memory IC, 4.5Kb density, 512x9 organization, 9-bit data bus width. Features 15ns maximum access time, 33.3MHz frequency, and retransmit capability. Operates from a 4.5V to 5.5V supply voltage with a nominal 5V. Surface mountable in a 32-pin PLCC package, this unidirectional FIFO is RoHS compliant and lead-free.
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Cypress CY7C421-20JXCT technical specifications.
| Access Time | 20ns |
| Access Time-Max | 15ns |
| Bus Directional | Unidirectional |
| Package/Case | PLCC |
| Contact Plating | Tin, Matte |
| Data Bus Width | 9b |
| Density | 4.5Kb |
| Direction | Unidirectional |
| Frequency | 33.3MHz |
| FWFT Support | No |
| Lead Free | Lead Free |
| Max Operating Temperature | 70°C |
| Min Operating Temperature | 0°C |
| Max Supply Current | 55mA |
| Max Supply Voltage | 5.5V |
| Memory Size | 4.5Kb |
| Min Supply Voltage | 4.5V |
| Mount | Surface Mount |
| Number of Circuits | 2 |
| Operating Supply Voltage | 5V |
| Organization | 512X9 |
| Package Quantity | 750 |
| Packaging | Tape and Reel |
| Programmable Flags Support | No |
| Retransmit Capability | Yes |
| RoHS Compliant | Yes |
| Series | CY7C |
| Supply Current | 55mA |
| Supply Voltage-Nom | 5V |
| Sync/Async | Asynchronous |
| Word Size | 9b |
| RoHS | Compliant |
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