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256-Kbit (32K x 8) One-Time Programmable, Read‑Only Memory  AT27C256R
Features
Packages  
1 Package Types (not to scale)
2 Pin Description
3 Description
3.1 System Considerations
3.2 Block Diagram
4 Electrical Characteristics
4.1 Absolute Maximum Ratings
4.2 DC and AC Operating Range
4.3 DC and Operating Characteristics for Read Operation
4.4 AC Characteristics for Read Operation
4.5 Programming Waveforms
4.6 DC Programming Characteristics
4.7 AC Programming Characteristics
4.8 Electrical Specifications
4.9 Integrated Product Identification Code
5 Rapid Programming Algorithm
6 Packaging Information
6.1 Package Marking Information
7 Revision History
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