Double Data Rate architecture: two data transfers per clock cycle The part **W9751G6KB-25** is manufactured by **Winbond**. Here are the specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:
### **Specifications:**
- **Part Number:** W9751G6KB-25
- **Manufacturer:** Winbond
- **Type:** 256Mb (32M x 8) DDR SDRAM
- **Density:** 256 Megabit
- **Organization:** 32M words × 8 bits
- **Speed Grade:** -25 (DDR-400, 250MHz clock frequency)
- **Voltage:** 2.5V ± 0.2V (VDD/VDDQ)
- **Package:** 66-pin TSOP-II (Thin Small Outline Package)
- **Interface:** Double Data Rate (DDR) Synchronous DRAM
- **Burst Length:** 2, 4, or 8
- **CAS Latency (CL):** 2.5
- **Refresh Cycles:** 8K/64ms (Auto Refresh & Self Refresh)
- **Operating Temperature:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)
### **Descriptions & Features:**
- **High-Speed Performance:** Supports DDR-400 (PC3200) operation with a clock frequency of 250MHz.
- **Low Power Consumption:** Optimized for power efficiency with 2.5V operation.
- **DDR SDRAM Architecture:** Utilizes double data rate transfer for high bandwidth.
- **Programmable Burst Length:** Supports burst lengths of 2, 4, or 8 for flexible data access.
- **Auto Precharge & Self Refresh:** Enhances power management and efficiency.
- **Compatible with JEDEC Standards:** Meets industry-standard DDR SDRAM specifications.
- **Applications:** Suitable for networking, consumer electronics, and embedded systems requiring high-speed memory.
This information is strictly based on the manufacturer's datasheet and technical documentation.
