Cypress (Infineon) CY7C1399BN-15VXI, 256Kbit asynchronous SRAM, 32K x 8 organization, 15 ns access time, 3.3 V supply, 28-SOJ surface-mount, -40 to 85 °C.
| Parameter | Value |
|---|---|
| Memory type | Volatile |
| Mounting type | Surface Mount |
| Voltage | 3V ~ 3.6V |
| Memory interface | Parallel |
| Operating temperature | -40°C ~ 85°C (TA) |
| Package | Tube |
| Technology | SRAM - Asynchronous |
| Access time | 15 ns |
| Memory size | 256Kbit |
| Memory format | SRAM |
| Case | 28-BSOJ (0.300\", 7.62mm Width) |
| Memory organization | 32K x 8 |
| Write cycle time - word, page | 15ns |
The 15 ns access time is the time from address valid to data valid on a read cycle. The write cycle time is also 15 ns.
The CY7C1399BN-15VXI is marked obsolete by Cypress (Infineon). No official successor is listed in the lifecycle record.
No official pin-compatible second source or successor is listed in the lifecycle record. For a drop-in replacement, verify the 28-SOJ footprint and 3.3 V supply with a cross-reference search against other 32K x 8 async SRAMs in the same package.
The part is listed as RoHS-compliant based on the lead-free finish (VXI suffix). Full compliance declarations (RoHS, REACH) are typically available from the manufacturer's documentation portal for the base product number CY7C1399.