16 K / 32 K / 64 K / 128 K x 9 Low-Voltage Deep Sync FIFOs The CY7C4271V-10JXC is a high-speed, low-power dual-port static RAM manufactured by Cypress Semiconductor. Here are the key specifications:

- **Type**: Dual-Port Static RAM (SRAM)
- **Density**: 4K x 9-bit (36Kb)
- **Speed**: 10ns access time
- **Voltage Supply**: 5V ±10%
- **Operating Current**: 150mA (typical)
- **Standby Current**: 5mA (typical)
- **Package**: 52-lead PLCC (Plastic Leaded Chip Carrier)
- **Temperature Range**: Commercial (0°C to +70°C)
- **I/O Type**: TTL-compatible
- **Features**: 
  - Simultaneous access from both ports
  - Interrupt support for port-to-port communication
  - On-chip arbitration logic
  - Fully static operation (no clock or refresh required)
  - High-speed byte-wide data transfer

This device is designed for applications requiring high-speed data sharing between two processors or buses.