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M27256-2F1 from ST,ST Microelectronics

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M27256-2F1

Manufacturer: ST

NMOS 256K (32K x 8) UV EPROM, 200ns

Partnumber Manufacturer Quantity Availability
M27256-2F1,M272562F1 ST 132 In Stock

Description and Introduction

NMOS 256K (32K x 8) UV EPROM, 200ns The part **M27256-2F1** is a **256K (32K x 8) UV Erasable PROM** manufactured by **STMicroelectronics (ST)**.  

### **Specifications:**  
- **Memory Size:** 256Kbit (32K x 8)  
- **Technology:** UV Erasable EPROM  
- **Supply Voltage:** 5V ±10%  
- **Access Time:** 200ns (M27256-2F1)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 28-lead Ceramic DIP (Dual In-line Package)  
- **Programming Voltage (VPP):** 12.5V  
- **Standby Current:** 100μA (max)  
- **Active Current:** 30mA (max)  

### **Features:**  
- **UV Erasable:** Can be erased with ultraviolet light for reprogramming.  
- **Single 5V Power Supply:** Operates on standard 5V logic levels.  
- **TTL-Compatible Inputs/Outputs:** Ensures compatibility with standard logic circuits.  
- **Programmable Chip Enable and Output Enable:** Allows for flexible control.  
- **High Reliability:** Industrial-grade endurance and data retention.  

### **Applications:**  
- Microcontroller-based systems  
- Embedded firmware storage  
- Legacy computing and industrial control systems  

This part is now considered **obsolete** by STMicroelectronics.

Application Scenarios & Design Considerations

NMOS 256K (32K x 8) UV EPROM, 200ns

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