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HT93LC46 Scheda tecnica(PDF) 1 Page - Holtek Semiconductor Inc |
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HT93LC46 Scheda tecnica(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 10 page  HT93LC46 1K 3-Wire CMOS Serial EEPROM Block Diagram Features • Operating voltage VCC – Read: 2.0V~5.5V – Write: 2.4V~5.5V • Low power consumption – Operating: 5mA max. – Standby: 10 µA max. • User selectable internal organization – 1K(HT93LC46): 128 ×8 or 64×16 • 3-wire Serial Interface • Write cycle time: 2ms 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 • 10 6 rewrite cycles per word • 8-pin DIP/SOP package • Commercial temperature range (0 °C to +70°C) General Description The HT93LC46 is a 1K-bit low voltage nonvola- tile, serial electrically erasable programmable read only memory device using the CMOS float- ing gate process. Its 1024 bits of memory are organized into 64 words of 16 bits each when the ORG pin is connected to VCC or organized into 128 words of 8 bits each when it is tied to VSS. The device is optimized for use in many industrial and commercial applications where low power and low voltage operation are essential. By popular microcontroller, the versatile serial in- terface including chip select (CS), serial clock (SK), data input (DI) and data output (DO) can be easily controlled. 1 6th May ’99 |
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