General Description

The HT93LC56 is a 2K-bit low voltage nonvolatile, serial electrically erasable programmable read only memory device using the CMOS floating gate process.

Features

• Operating voltage VCC

– Read: 2.0V~5.5V

– Write: 2.4V~5.5V

• Low power consumption

– Operating: 5mA max.

– Standby: 10µA max.

• User selectable internal organization

– 2K(HT93LC56): 256×8 or 128×16

• 3-wire Serial Interface

• Write cycle time: 5ms max.

• Automatic erase-before-write operation

• Word/chip erase and write operation

• Write operation with built-in timer

• Software controlled write protection

• 10-year data retention after 100K rewrite

cycles

• 106 rewrite cycles per word

• 8-pin DIP/SOP package

• Commercial temperature range

(0°C to +70°C)