X28HC256SM-12

5V ，字节EEPROM可变 5V, Byte Alterable EEPROM

The X28HC256 is a second generation high performance CMOS 32k x 8 EEPROM. It is fabricated with ’s proprietary, textured poly floating gate technology, providing a highly reliable 5V only nonvolatile memory

Features

• Access time: 70ns

• Simple byte and page write

   - Single 5V supply

   - No external high voltages or VP-P control circuits

   - Self-timed

   - No erase before write

   - No complex programming algorithms

   - No overerase problem

• Low power CMOS

   - Active: 60mA

   - Standby: 500µA

• Software data protection

   - Protects data against system level inadvertent writes

• High speed page write capability

• Highly reliable Direct Write™ cell

   - Endurance: 1,000,000 cycles

   - Data retention: 100 years

• Early end of write detection

   - DATA polling

   - Toggle bit polling

• Pb-free plus anneal available RoHS compliant