11LC020T-I/TT Memory by Microchip Technology

2.5V UNI/O® Serial EEPROM with 2Kb of memory

Status: Active
Series: 11LC020
RoHS: Compliant
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Need more microcontroller pins for new features? Want to stay with a low pin-count microcontroller rather than switching to a more expensive one? Microchip’s UNI/O® bus serial EEPROM uses only one connection to the host microcontroller. This compares to two or three pins for I2C and three to six pins for Microwire or SPI buses. This proprietary bus offers advanced features like a status register and write protection on demand, along with all I/O, memory array and command functions through a single pin.
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3,000 units
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3,000 units
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Features

Single I/O Interface
2 Kbit Memory Density
2.5-5.5V Operating Voltage
10-100 kHz Operating Frequency
1 Million Erase/Write Cycles
Software Write Protect: ¼, ½, or Full Array
Status Register
Set/Erase entire memory with a single command
ESD Protection > 4kV
Noise Filtration Circuitry

Specifications

Density (Organization) 2K bit (x8)
Operating Voltage Min. (V) 2.5
Oper Voltage Max (V) 5.5
Max. Clock Freq. 100 kHz
Page Size (bytes) 16
Write Protected True
Write Protect Scheme Quarter, Half, Whole Array
Endurance 1,000,000
Data Retention (Years) 0
Battery Backup False
Pins | Packaging 3 | SOT-23
Temp Range -40C to +85C
Packing Media Tape and reel (3000)

Resources


Application Notes
AN1019 - EEPROM Endurance Tutorial
AN1196 - Using a Timer to Interface Mid-Range PIC(R) MCUs with UNI/O(R) Bus-Compatible Serial EEPROMs
AN1187 - Using a Timer to Interface PIC18 MCUs with UNI/O(R) Bus-Compatible Serial EEPROMs
AN1194 - Recommended Usage of Microchip UNI/O(R) Bus-Compatible Serial EEPROMs
AN1186 - Using C and a Timer to Interface MSP430 MCUs with UNI/O(R) Bus-Compatible Serial EEPROMs
AN1185 - Using C and a Timer to Interface 8051 MCUs with UNI/O(R) Bus-Compatible Serial EEPROMs
AN1184 - Using a Timer to Interface 8051 MCUs with UNI/O(R) Bus-Compatible Serial EEPROMs
AN1188 - Interfacing Mid-Range PIC(R) MCUs with UNI/O(R) Bus-Compatible Serial EEPROMs
AN1191 - Using C18 and a Timer to Interface PIC18 MCUs with UNI/O(R) Bus-Compatible Serial EEPROMs
AN1183 - Interfacing PIC18 MCUs with UNI/O(R) Bus-Compatible Serial EEPROMs
AN1174 - Interfacing Baseline PIC(R) MCUs with UNI/O(R) Bus-Compatible Serial EEPROMs
AN1213 - Powering a UNI/O(R) Bus Device Through SCIO
AN1174 - Interfacing Baseline PIC(R) MCUs with UNI/O(TM) Bus-Compatible Serial EEPROMs (Japanese)
AN1236 - Using C30 and a Timer to Interface dsPIC33 DSCs and PIC24 MCUs with UNI/O(R) Bus-Compatible Serial EEPROMs
AN1251 - Using HI-TECH C(R) and a Timer to Interface Mid-Range PIC(R) MCUs with UNI/O(R) Serial EEPROMs



Reference Manuals
UNI/O® Bus Specification

Environmental Information

JEDEC Indicator e3
ROHS Compliant
China EFUP Compliant
Device Weight (g) 0.0083
Shipping Weight (kg) 0.039
Lead Count 3
Package Type SOT-23
Package Width or Size 1.3mm
Soldering Composition Matte Tin

Alternative Descriptions

SERIAL EEPROM, 2KBIT, 100KHZ, SOT-23-3 | Farnell
EEPROM Serial 2K-Bit 256 x 8 3.3V/5V 3-Pin SOT-23 T/R | Avnet America
2.5V SINGLE WIRE SEEPROM WITH 2K BITS OF MEMORY & DEVICE ADDRESS A0H | Microchip Technology
Microchip 11LC020T-I/TT Serial EEPROM Memory, 2kbit, 2.5 to 5.5 V 3-Pin SOT-23 | Allied Electronics

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Frequently Asked Questions

Where can I find additional details, specifications and documents for a 11LC020T-I/TT?

Additional datasheets, footprints and schematics for 11LC020T-I/TT are listed on our Part Details page. You can also find images and similar parts to 11LC020T-I/TT on this page.

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What category does 11LC020T-I/TT fall under?

The 11LC020T-I/TT is listed under Semiconductors - ICs > Memory > EEPROM.

Can I view similar or alternative parts?

You can view similar parts to 11LC020T-I/TT when available in the EEPROM range under the specifications section at the bottom of the details page.

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Is the 11LC020T-I/TT RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Microchip Technology.

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Authorised distributors including Farnell, element14, Newark Electronics, Avnet America and Avnet Europe have stock available or on a lead time for 11LC020T-I/TT.

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