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WS27C256L-12TMB from WSI

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WS27C256L-12TMB

Manufacturer: WSI

Military 32K x 8 CMOS EPROM

Partnumber Manufacturer Quantity Availability
WS27C256L-12TMB,WS27C256L12TMB WSI 2000 In Stock

Description and Introduction

Military 32K x 8 CMOS EPROM The WS27C256L-12TMB is a 256K-bit (32K x 8) CMOS EPROM manufactured by WSI (Wafer Scale Integration). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Organization:** 32K x 8 (256K-bit)  
- **Access Time:** 120 ns  
- **Operating Voltage:** 5V ± 10%  
- **Power Consumption:**  
  - Active Current: 30 mA (max)  
  - Standby Current: 100 µA (max)  
- **Operating Temperature Range:**  
  - Commercial (0°C to +70°C)  
  - Industrial (-40°C to +85°C)  
- **Package Type:** 28-pin TSOP (Thin Small Outline Package)  
- **Programming Voltage (VPP):** 12.5V  
- **Data Retention:** 10 years minimum  

### **Descriptions & Features:**  
- **High-Speed Performance:** 120 ns access time for fast read operations.  
- **Low Power Consumption:** CMOS technology ensures reduced power usage.  
- **Single 5V Power Supply:** Simplifies system design.  
- **Programmable:** Uses standard EPROM programming methods with a 12.5V programming voltage.  
- **Reliable Data Retention:** Guaranteed data retention for at least 10 years.  
- **TSOP Package:** Compact form factor suitable for space-constrained applications.  
- **Compatibility:** Industry-standard pinout for easy replacement in existing designs.  

This EPROM is commonly used in embedded systems, industrial controls, and legacy computing applications requiring non-volatile memory storage.

Application Scenarios & Design Considerations

Military 32K x 8 CMOS EPROM

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