XM28C040P Description
The XM28C040P is a high density CMOS byte alterable nonvolatile memory array constructed on a cofired ceramic substrate using Xicor’s 128K x 8 ponents in 32-pad leadless chip carriers. The Substrate is a 66-pin ceramic pin grid array. The module is configured with four separate chip enable and write enable inputs and 32 separate I/Os.
XM28C040P Key Features
- High Density Memory Module -150ns, 200ns, and 250ns Access Times Available -4 Megabit Memory in 1 square inch
- Flexible Multiplane Architecture -Four Separate Chip Selects -32 Separate I/Os
- User Configurable I/Os-x8, x16, or x32
- User Configurable Page Size-64 Doublewords, 128 Words, or 256 Bytes -Concurrent Read/Write Operations
- Able to Continue Reading During a Nonvolatile Write Cycle
- 5 Volt Byte or Page Alterable -No Erase Before Write
- Software Data Protection
- Early End of Write Polling -DATA Polling -Toggle Bit Polling
- High Reliability -Endurance: 100,000 Cycles -Data Retention: 100 Years FUNCTIONAL DIAGRAM