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AT27C256R-55PC from AT,Atmel

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AT27C256R-55PC

Manufacturer: AT

256K 32K x 8 OTP CMOS EPROM

Partnumber Manufacturer Quantity Availability
AT27C256R-55PC,AT27C256R55PC AT 97 In Stock

Description and Introduction

256K 32K x 8 OTP CMOS EPROM The AT27C256R-55PC is a 256K (32K x 8) OTP EPROM manufactured by Atmel (now part of Microchip Technology). Here are its key specifications:

- **Memory Organization**: 32K x 8 (256 Kbit)  
- **Access Time**: 55 ns  
- **Operating Voltage**: 5V ± 10%  
- **Power Consumption**:  
  - Active Current: 30 mA (max)  
  - Standby Current: 100 µA (max)  
- **Package**: 28-lead PDIP (Plastic Dual In-line Package)  
- **Operating Temperature Range**:  
  - Commercial: 0°C to +70°C  
  - Industrial: -40°C to +85°C  
- **Programming Voltage (VPP)**: 12.5V  
- **Data Retention**: 10 years minimum  
- **Endurance**: 1,000 write cycles  
- **Tri-State Outputs**: Yes  

This device is One-Time Programmable (OTP) and features a fast access time suitable for high-performance applications.

Partnumber Manufacturer Quantity Availability
AT27C256R-55PC,AT27C256R55PC ATMEL 17 In Stock

Description and Introduction

256K 32K x 8 OTP CMOS EPROM The AT27C256R-55PC is a 256K (32K x 8) OTP EPROM manufactured by ATMEL. Key specifications include:  

- **Memory Size**: 32K x 8 (256K bits)  
- **Access Time**: 55 ns  
- **Operating Voltage**: 5V ± 10%  
- **Package**: 28-pin PDIP (Plastic Dual In-line Package)  
- **Technology**: CMOS  
- **OTP (One-Time Programmable)**: Yes  
- **Operating Temperature Range**: 0°C to 70°C  
- **Standby Current**: 100 µA (max)  
- **Active Current**: 30 mA (max)  

The device is compatible with JEDEC standards and supports a standard EPROM interface.

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