In-system programmable configuration PROM. The **XC18V512VQ44C** is a configuration PROM (Programmable Read-Only Memory) manufactured by **Xilinx**. Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Xilinx
- **Series:** XC18V
- **Density:** 512Kb (64K x 8)
- **Package Type:** VQ44 (44-pin Plastic Quad Flat Pack)
- **Operating Voltage:** 3.3V
- **Speed Grade:** C (Commercial temperature range, 0°C to +70°C)
- **Programming Voltage:** 3.3V (in-system programmable)
- **Memory Type:** Non-volatile, reprogrammable Flash-based PROM
### **Descriptions:**
- Designed for storing configuration data for Xilinx FPGAs (Field Programmable Gate Arrays).
- Supports **Master Serial, Slave Serial, and SelectMAP** configuration modes.
- Provides **high reliability** with a minimum of **10,000 program/erase cycles**.
- Features **JTAG boundary-scan support** for in-system programming and testing.
### **Features:**
- **In-System Programmable (ISP):** Can be reprogrammed without removal from the circuit board.
- **Low Power Consumption:** Optimized for power-sensitive applications.
- **High-Speed Programming:** Fast programming times with standard programming tools.
- **Data Retention:** Guaranteed **20-year** data retention at 55°C.
- **Compatibility:** Works with Xilinx FPGA families such as **Spartan, Virtex, and CoolRunner**.
- **Security:** Supports **programmable security bit** to prevent unauthorized readback.
This information is strictly based on the manufacturer's datasheet and technical documentation.
