
Holtek Semiconductor
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)