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M27C1024 from ST,ST Microelectronics

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M27C1024

Manufacturer: ST

1 MBIT (64KB X16) UV EPROM AND OTP EPROM

Partnumber Manufacturer Quantity Availability
M27C1024 ST 115 In Stock

Description and Introduction

1 MBIT (64KB X16) UV EPROM AND OTP EPROM The **M27C1024** is a 1 Megabit (128K x 8-bit) UV erasable and electrically programmable read-only memory (EPROM) manufactured by **STMicroelectronics (ST)**.  

### **Key Specifications:**  
- **Memory Size:** 1 Mbit (128K x 8-bit)  
- **Supply Voltage:** 5V ±10%  
- **Access Time:** 90 ns, 120 ns, 150 ns, 200 ns (depending on variant)  
- **Operating Temperature Range:**  
  - Commercial (0°C to +70°C)  
  - Industrial (-40°C to +85°C)  
- **Package Options:**  
  - 40-pin DIP (Dual In-line Package)  
  - 44-pin PLCC (Plastic Leaded Chip Carrier)  
  - 44-pin CLCC (Ceramic Leaded Chip Carrier)  

### **Features:**  
- **UV Erasable:** Can be erased by exposure to UV light (typically 15-20 minutes under UV lamp).  
- **Single 5V Power Supply:** No additional voltages required for read operations.  
- **Low Power Consumption:**  
  - Active current: 30 mA (max)  
  - Standby current: 100 µA (max)  
- **CMOS Technology:** Ensures high performance and low power consumption.  
- **Programmable:** Electrically programmable using standard EPROM programmers.  
- **Compatibility:** Fully compatible with industry-standard 27C1024 EPROMs.  

### **Applications:**  
- Used in embedded systems, firmware storage, and legacy computing applications.  
- Suitable for applications requiring non-volatile memory with reprogrammability.  

This EPROM is now considered obsolete but was widely used in older electronic systems requiring reliable, reprogrammable memory.

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