1M x 16Bit x 4 Banks (64-MBIT) SDRAM The IC42S16400-7BG is a 64Mb (4M x 16) Synchronous DRAM (SDRAM) manufactured by ICSI/PBF. Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Density:** 64Mb (4M words x 16 bits)
- **Organization:** 4 banks x 1,048,576 words x 16 bits
- **Voltage Supply:** 3.3V ± 0.3V
- **Speed Grade:** -7BG (7ns access time, 143MHz operating frequency)
- **Package:** 54-pin TSOP II
- **Refresh Mode:** Auto-refresh and self-refresh
- **CAS Latency (CL):** 2 or 3 (programmable)
- **Burst Length:** 1, 2, 4, 8, or full page (programmable)
- **Operating Temperature:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)
### **Descriptions:**
- The IC42S16400-7BG is a high-speed CMOS SDRAM designed for applications requiring high bandwidth and low power consumption.
- It supports synchronous operation with a clock input for all signals.
- The device is internally organized as four independent banks, allowing concurrent operations.
### **Features:**
- **Synchronous Operation:** Clock-controlled command, address, and data interfaces.
- **Auto Precharge:** Supports auto-precharge for efficient bank management.
- **Programmable Burst Length:** Supports 1, 2, 4, 8, or full-page bursts.
- **Low Power Consumption:** Standby and power-down modes reduce power usage.
- **Single 3.3V Power Supply:** Compatible with standard 3.3V systems.
- **Burst Read/Write Operations:** Enhances data transfer efficiency.
This information is based solely on the manufacturer's datasheet for the IC42S16400-7BG SDRAM.
