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M27W101-80N6 from ST,ST Microelectronics

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M27W101-80N6

Manufacturer: ST

1 MBIT (128KB X8) LOW VOLTAGE UV EPROM AND OTP EPROM

Partnumber Manufacturer Quantity Availability
M27W101-80N6,M27W10180N6 ST 197 In Stock

Description and Introduction

1 MBIT (128KB X8) LOW VOLTAGE UV EPROM AND OTP EPROM The **M27W101-80N6** is a 1 Mbit (128Kb x8) UV EPROM (Erasable Programmable Read-Only Memory) manufactured by **STMicroelectronics (ST)**.  

### **Key Specifications:**  
- **Memory Size:** 1 Mbit (128K x 8)  
- **Access Time:** 80 ns  
- **Supply Voltage:** 5V ±10%  
- **Operating Temperature Range:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)  
- **Package:** 32-lead DIP (Dual In-line Package)  
- **Technology:** UV-erasable, electrically programmable  
- **Programming Voltage (VPP):** 12.5V  

### **Features:**  
- **High-Speed Performance:** 80 ns access time  
- **Low Power Consumption:**  
  - Active current: 30 mA (max)  
  - Standby current: 100 µA (max)  
- **Reliable Erasure:** UV light erasable (typically 15-20 minutes under UV lamp)  
- **CMOS Compatibility:** TTL-compatible inputs and outputs  
- **Programmable Security Feature:** Optional OTP (One-Time Programmable) security bit  

### **Applications:**  
- Embedded systems  
- Firmware storage  
- Legacy industrial and automotive electronics  

This EPROM is now considered obsolete but was widely used in older electronic systems requiring reprogrammable non-volatile memory.

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