
Asynchronous FIFO memory, 512 words x 9 bits, offering 4.5Kb density with a 20ns access time. This CMOS component features a unidirectional data bus and parallel port type, operating at a maximum frequency of 33.3MHz. Packaged in a 32-lead PLCC with tin, matte contact plating, it supports surface mounting and is lead-free and RoHS compliant.
Cypress CY7C421-20JXC technical specifications.
| Access Time | 20ns |
| Access Time-Max | 20ns |
| 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 |
| Height | 2.67mm |
| JESD-30 Code | R-PQCC-J32 |
| Lead Free | Lead Free |
| Length | 0.55mm |
| Max Operating Temperature | 70°C |
| Min Operating Temperature | 0°C |
| Max Supply Current | 55mA |
| Max Supply Voltage | 5.5V |
| Memory Size | 4.5Kb |
| Memory Width | 9 |
| Min Supply Voltage | 4.5V |
| Moisture Sensitivity Level | 3 |
| Mount | Surface Mount |
| Number of Circuits | 2 |
| Number of Functions | 1 |
| Number of Words | 512 |
| Operating Supply Voltage | 5V |
| Organization | 512X9 |
| Output Enable | No |
| Package Body Material | Plastic |
| Package Quantity | 30 |
| Package Shape | Rectangular |
| Packaging | Rail/Tube |
| Peak Reflow Temperature (Cel) | 260°C |
| Port Type | PARALLEL |
| Programmable Flags Support | No |
| Radiation Hardening | No |
| Reach SVHC Compliant | No |
| Retransmit Capability | Yes |
| RoHS Compliant | Yes |
| Series | CY7C |
| Supply Current | 55mA |
| Supply Voltage-Nom | 5V |
| Surface Mount | Yes |
| Sync/Async | Asynchronous |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Tin |
| Terminal Form | J BEND |
| Terminal Position | QUAD |
| Time @ Peak Reflow Temperature-Max (s) | 20s |
| Width | 11.5mm |
| Word Size | 9b |
| RoHS | Compliant |
| Ushts | 8542320071 |
| ECCN | EAR99 |
Download the complete datasheet for Cypress CY7C421-20JXC to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.
