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CY27C256-70WC from CY,Cypress

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CY27C256-70WC

Manufacturer: CY

32K x 8-Bit CMOS EPROM

Partnumber Manufacturer Quantity Availability
CY27C256-70WC,CY27C25670WC CY 1552 In Stock

Description and Introduction

32K x 8-Bit CMOS EPROM The CY27C256-70WC is a 256K (32K x 8) CMOS UV-erasable PROM manufactured by Cypress Semiconductor. Key specifications include:  

- **Access Time**: 70 ns  
- **Operating Voltage**: 5V ±10%  
- **Power Consumption**:  
  - Active: 100 mA (max)  
  - Standby: 30 mA (max)  
- **Temperature Range**: Commercial (0°C to +70°C)  
- **Package**: 28-pin Windowed CERDIP (WC)  
- **UV Erasure**:  
  - Wavelength: 2537 Å  
  - Energy: 15 W-sec/cm² (minimum)  
  - Time: ~20 minutes (typical)  
- **Data Retention**: 10 years minimum  
- **Endurance**: 100 erase/write cycles (minimum)  

This device is compatible with JEDEC-standard pinouts and supports TTL-level inputs and outputs.

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