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X28HC256PM-70 from XIC0R

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X28HC256PM-70

Manufacturer: XIC0R, XICOR

5 Volt, Byte Alterable E2PROM

Partnumber Manufacturer Quantity Availability
X28HC256PM-70,X28HC256PM70 XIC0R, XICOR 8250 In Stock

Description and Introduction

5 Volt, Byte Alterable E2PROM The X28HC256PM-70 is a high-speed CMOS EEPROM manufactured by XICOR. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Memory Size:** 256Kbit (32K x 8)  
- **Technology:** High-Speed CMOS  
- **Access Time:** 70ns  
- **Supply Voltage:** 5V ±10%  
- **Operating Temperature Range:** Commercial (0°C to +70°C)  
- **Package:** 28-Pin PDIP (Plastic Dual In-Line Package)  
- **Endurance:** 100,000 write cycles (minimum)  
- **Data Retention:** 100 years (minimum)  
- **Interface:** Parallel  

### **Descriptions:**  
- The X28HC256PM-70 is a high-performance Electrically Erasable Programmable Read-Only Memory (EEPROM) with a fast access time of 70ns.  
- It is designed for applications requiring non-volatile memory with high-speed read and write operations.  
- The device supports byte-level read and write operations, making it suitable for firmware storage and system configuration.  

### **Features:**  
- **High-Speed Operation:** 70ns access time for fast read operations.  
- **Low Power Consumption:** CMOS technology ensures low power usage.  
- **Byte-Write Capability:** Allows individual byte modification without full-chip erasure.  
- **Hardware & Software Protection:** Features write protection mechanisms to prevent accidental data corruption.  
- **Self-Timed Write Cycle:** Internal programming control simplifies system design.  
- **Compatibility:** TTL-compatible inputs and outputs for easy integration.  

This information is strictly factual and derived from the manufacturer's specifications.

Application Scenarios & Design Considerations

5 Volt, Byte Alterable E2PROM

Alternative Part Number

  • AT28HC256-70PI --: Direct functional equivalent 32K x 8 parallel EEPROM with 70 ns access time in a DIP package, widely available and pin-compatible.
  • M28C256-70PI --: Same 256Kbit parallel EEPROM density and 70 ns speed in a PDIP package, suitable as a drop-in replacement in most designs.
  • SST39SF010A-70-4C-PH --: Alternative 70 ns parallel memory in a DIP package; requires minor firmware/interface review but offers a reliable sourcing option.
  • NM28C256-70PI --: Equivalent 32K x 8 EEPROM with 70 ns access time and DIP pinout, usable as a drop-in alternative.

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