4K x 16/18 and 8K x 16/18 Dual-Port Static RAM with SEM, INT, BUSY The CY7C025-15JC is a high-speed, low-power CMOS dual-port static RAM manufactured by Cypress Semiconductor. Here are its key specifications:

- **Organization**: 16K (16,384 words × 8 bits)
- **Operating Voltage**: 5V ±10%
- **Access Time**: 15 ns
- **Power Dissipation**:
  - Active: 750 mW (typical)
  - Standby: 55 mW (typical)
- **Operating Temperature Range**: 0°C to +70°C
- **Package**: 48-lead PLCC (Plastic Leaded Chip Carrier)
- **I/O Compatibility**: TTL-level
- **Features**:
  - Dual independent ports with separate control signals
  - Fully asynchronous operation
  - Battery backup operation (2V data retention)
  - On-chip arbitration logic
  - Interrupt flag for port-to-port communication
  - Semaphore (flag) registers for software handshaking
  - Expandable data bus width
- **Applications**: Interprocessor communication, shared memory systems, buffering, and data acquisition.