HIGH SPEED 32K x 8 CMOS EPROM The WS57C256F-55T is a 32K x 8 CMOS Static RAM (SRAM) manufactured by WSI. Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Organization:** 32K x 8 (256K-bit)
- **Technology:** CMOS
- **Access Time:** 55 ns
- **Operating Voltage:** 5V ±10%
- **Operating Temperature Range:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)
- **Package Type:** 28-pin TSOP (Thin Small Outline Package)
- **Pin Count:** 28
- **I/O Type:** Common I/O (input/output shared)
- **Standby Current:** Low power consumption in standby mode
### **Descriptions:**
- The WS57C256F-55T is a high-speed, low-power static RAM designed for applications requiring fast access times and reliable data retention.
- It is compatible with industrial and commercial temperature ranges, making it suitable for a variety of environments.
- The device uses a common I/O structure, simplifying interfacing with microprocessors and other logic circuits.
### **Features:**
- **High-Speed Access:** 55 ns access time for fast read/write operations.
- **Low Power Consumption:** CMOS technology ensures low standby current.
- **Wide Voltage Range:** Operates at 5V ±10%.
- **Industrial Grade Option:** Available for extended temperature range (-40°C to +85°C).
- **TSOP Package:** Compact and suitable for space-constrained applications.
- **Tri-State Outputs:** Allows direct connection to a common bus.
- **Fully Static Operation:** No clock or refresh required.
This information is based solely on the technical specifications of the WS57C256F-55T SRAM from WSI.
