Cypress CY7C series synchronous FIFO, CY7C4231V-15JXC, 18K (2K x 9) memory, 11 ns access time, 66.7 MHz data rate, 3 V to 3.6 V supply, 32-PLCC (J-Lead), 0°C to 70°C.
| Parameter | Value |
|---|---|
| Series | CY7C |
| Mounting | Surface Mount |
| Expansion type | Depth, Width |
| Supply voltage | 3 V ~ 3.6 V |
| Current - supply | 20mA |
| Operating temperature | 0°C~70°C |
| Package | Tube |
| Function | Synchronous |
| Data rate | 66.7MHz |
| Access time | 11ns |
| Memory size | 18K (2K x 9) |
| FWFT support | No |
| Case | 32-LCC (J-Lead) |
| Bus directional | Uni-Directional |
| Retransmit capability | No |
| Programmable flags support | Yes |
The CY7C4231V-15JXC: Synchronous FIFO memory with 18K (2K x 9) buffer, 11 ns access time, 66.7 MHz data rate. Supports depth and width expansion.
It is not specified for industrial or automotive environments where extended temperature or humidity cycling is expected.
No official pin-compatible replacement is listed in the manufacturer's documentation for this specific order code. The part is obsolete, and any alternative would require a full design review of the FIFO depth, speed grade, and package.