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D27C256 from INTEL

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D27C256

Manufacturer: INTEL

256 Kilobit (32,768 x 8-Bit) CMOS EPROM

Partnumber Manufacturer Quantity Availability
D27C256 INTEL 2382 In Stock

Description and Introduction

256 Kilobit (32,768 x 8-Bit) CMOS EPROM The D27C256 is a 256K-bit (32K x 8) UV erasable and electrically programmable read-only memory (EPROM) manufactured by Intel.  

### Key Specifications:  
- **Organization**: 32K x 8  
- **Access Time**: 150 ns (D27C256-15), 200 ns (D27C256-20), 250 ns (D27C256-25)  
- **Operating Voltage**: 5V ± 10%  
- **Programming Voltage (VPP)**: 12.5V  
- **Power Consumption**:  
  - Active: 100 mA (max)  
  - Standby: 40 mA (max)  
- **Package**: 28-pin DIP (Dual In-line Package)  
- **Technology**: NMOS  
- **UV Erasure**: Requires exposure to UV light (wavelength 2537 Å) for 15–20 minutes.  
- **Data Retention**: 10 years minimum.  

The D27C256 is compatible with the industry-standard 27256 EPROM pinout.

Partnumber Manufacturer Quantity Availability
D27C256 N/A 29 In Stock

Description and Introduction

256 Kilobit (32,768 x 8-Bit) CMOS EPROM The D27C256 is a 256K (32K x 8) CMOS EPROM manufactured by N/A. Key specifications include:  

- **Organization**: 32K x 8  
- **Access Time**: 150 ns (typical)  
- **Operating Voltage**: 5V ± 10%  
- **Power Consumption**:  
  - Active: 30 mA (max)  
  - Standby: 100 μA (max)  
- **Programming Voltage**: 12.5V (required for programming)  
- **Package**: 28-pin DIP or PLCC  
- **Operating Temperature Range**: 0°C to 70°C  
- **Data Retention**: 10 years minimum  
- **Technology**: CMOS for low power consumption  

This EPROM is erasable via UV light exposure and requires a quartz window for erasure.

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