Holtek HT93LC56 CMOS 2K 3-Wire Serial EEPROM Datasheet

HT93LC56 is a 2K-bit low voltage nonvolatile, serial electrically erasable programmable read only memory device using the CMOS floating gate process. Its 2048 bits of memory are organized into 128 words of 16 bits each when the ORG pin is connected to VCC or organized into 256 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 interface including chip select (CS), serial clock (SK), data input (DI), and data output (DO) can be easily controlled.


Holtek HT93LC56 CMOS 2K 3-Wire Serial EEPROM Datasheet - cover page
Brand
Holtek
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
12
File format
PDF
File size
150 KB
Published
10 April, 2012
Updated
29 September, 2023
MD5 checksum
7D4FBF7DC226F2138F70797F4AB68D5B

About this manual

The HT93LC56 is a 2‑Kbit low‑voltage non‑volatile serial EEPROM using a CMOS floating‑gate process. It offers 128 × 16‑bit or 256 × 8‑bit memory organization selectable via the ORG pin and operates from 2.2 V to 5.5 V, making it suitable for industrial and commercial applications that require low power consumption.

The datasheet provides comprehensive electrical characteristics such as operating current, standby current, leakage currents, input‑output voltage levels, timing parameters, and package dimensions for the 8‑pin DIP, SOP and TSSOP options. Package and tape‑and‑reel specifications are also listed for automated assembly.

What's inside

  • Block Diagram
  • Pin Assignment
  • General Description
  • Pin Description
  • Absolute Maximum Ratings
  • DC Characteristics
  • AC Characteristics
  • Functional Description
  • Timing Diagrams
  • Package Information

Specifications

Operating voltage2.2 V ~ 5.5 V
Operating current (TTL)5 mA max
Write cycle time5 ms max
Clock frequency (fSK)up to 2 MHz

Frequently asked questions

What is the operating voltage range of the HT93LC56?

The device operates from 2.2 V to 5.5 V.

What is the maximum write cycle time?

The write cycle time is specified as 5 ms maximum.

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