8M x 32 256Mb SYNCHRONOUS DRAM The IS45S32800D-6TLA1 is a synchronous DRAM (SDRAM) manufactured by ISSI (Integrated Silicon Solution Inc.). Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Density:** 128Mb (32M x 4, 16M x 8, 8M x 16)
- **Organization:**
- 32M words × 4 bits
- 16M words × 8 bits
- 8M words × 16 bits
- **Voltage Supply:** 3.3V ± 0.3V
- **Speed Grade:** -6 (166MHz clock frequency)
- **Access Time:** 5.4ns
- **Package:** 54-pin TSOP II
- **Operating Temperature Range:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)
- **Refresh Cycles:** 4096 refresh cycles every 64ms
### **Descriptions:**
- **Type:** Synchronous DRAM (SDRAM)
- **Interface:** Fully synchronous with all signals referenced to a positive clock edge
- **Burst Length:** Programmable (1, 2, 4, 8, or full page)
- **CAS Latency:** Programmable (2 or 3)
- **Auto Refresh & Self Refresh Modes:** Supported
- **Burst Read/Write Operations:** Supported
### **Features:**
- **High-Speed Operation:** Up to 166MHz clock frequency
- **Low Power Consumption:** Auto and self-refresh modes reduce power usage
- **Multiple Bank Operation:** 4 internal banks for concurrent access
- **Programmable Burst Length:** Supports 1, 2, 4, 8, or full-page bursts
- **Single 3.3V Power Supply:** Compatible with standard SDRAM interfaces
- **Industrial-Grade Option:** Available for extended temperature range (-40°C to +85°C)
This SDRAM is commonly used in networking, telecommunications, and embedded systems requiring high-speed memory access.
