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24LC256 256K Serial EEPROM: Pinout, Equivalent and Datasheet

Memory 24LC256 Non-Volatile 8-DIP (0.300, 7.62mm) 256Kb 32K x 8 EEPROM -40°C~125°C TA 2.5V~5.5V I2C 400kHz 2.54mm MICROCHIP - 24LC256-E/P - EEPROM, 256 Kbit, 32K x 8bit, Serial I2C (2-Wire), 400 kHz, DIP, 8 Pins

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Nov 11, 2021

Carol Penn

Arduino UNO - Write/Read EEPROM 24LC256

 

Memory 24LC256 Non-Volatile 8-DIP (0.300, 7.62mm) 256Kb 32K x 8 EEPROM -40°C~125°C TA 2.5V~5.5V I2C 400kHz 2.54mm MICROCHIP - 24LC256-E/P - EEPROM, 256 Kbit, 32K x 8bit, Serial I2C (2-Wire), 400 kHz, DIP, 8 Pins

The Microchip Technology Inc. 24LC256 is a 32K x 8 (256 Kbit) Serial Electrically Erasable PROM, capable of operation across a broad voltage range (1.7V to 5.5V). It has been developed for advanced, low-power applications such as personal communications or data acquisition. Furthermore, Huge range of Semiconductors, Capacitors, Resistors and IcS in stock. Welcome RFQ.

24LC256-E/P

65In Stock
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100+ $2.32903$232.9
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Unit Price:$2.6169
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24LC256 Pinout

24LC256 CAD Model

Symbol

Footprint

3D Model

24LC256 Overview

The Microchip Technology Inc. 24LC256 is a 32K x 8 (256 Kbit) Serial Electrically Erasable PROM, capable of operation across a broad voltage range (1.7V to 5.5V). It has been developed for advanced, low-power applications such as personal communications or data acquisition. This device also has a page write capability of up to 64 bytes of data. This device is capable of both random and sequential reads up to the 256K boundary. Functional address lines allow up to eight devices on the same bus, for up to 2 Mbit address space.

This article provides you with a basic overview of the 24LC256 256K I2C Serial EEPROM, including its pin descriptions, features and specifications, etc., to help you quickly understand what 24LC256 is.

24LC256 Features

● Single Supply with Operation Down to 2.5V for 24LC256 Devices

● Low-Power CMOS Technology:

   ◆ Write current: 3 mA, maximum

   ◆ Standby current: 1 µA maximum (I-temp.)

● Two-Wire Serial Interface, I2C Compatible

● Cascadable up to Eight Devices

● Schmitt Trigger Inputs for Noise Suppression

● Output Slope Control to Eliminate Ground Bounce

● 100 kHz, 400 kHz and 1 MHz Compatibility

● Page Write Time: 5 ms, maximum

● Self-Timed Erase/Write Cycle

● 64-Byte Page Write Buffer

● Hardware Write-Protect

● ESD Protection >4000V

● More than One Million Erase/Write Cycles

● Data Retention >200 years

● Factory Programming Available

● RoHS Compliant

● Temperature Ranges:

   ◆ Industrial (I): -40 ℃ to +85 ℃

   ◆ Extended (E): -40 ℃ to +125 ℃

● Automotive AEC-Q100 Qualified

Specifications

Microchip Technology 24LC256-E/P technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology 24LC256-E/P.

24LC256-E/P Tech Specifications

Microchip Technology 24LC256-E/P technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology 24LC256-E/P.

Product Attribute Attribute Value
Factory Lead Time3 Weeks
MountThrough Hole
Mounting TypeThrough Hole
Package / Case8-DIP (0.300, 7.62mm)
Number of Pins8Pins
Memory TypesNon-Volatile
Usage LevelAutomotive grade
Operating Temperature-40°C~125°C TA
PackagingTube
Published2011
JESD-609 Codee3
Pbfree Codeyes
Part StatusActive
Moisture Sensitivity Level (MSL)1 (Unlimited)
Number of Terminations8Terminations
ECCN CodeEAR99
Terminal FinishMatte Tin (Sn)
Product Attribute Attribute Value
Voltage - Supply2.5V~5.5V
Terminal PositionDUAL
Number of Functions1Function
Terminal Pitch2.54mm
Base Part Number24LC256
Pin Count8
Supply Voltage-Max (Vsup)5.5V
Power Supplies3/5V
Supply Voltage-Min (Vsup)2.5V
InterfaceI2C, Serial
Memory Size256Kb 32K x 8
Nominal Supply Current3mA
Clock Frequency400kHz
Access Time900ns
Memory FormatEEPROM
Memory InterfaceI2C
Write Cycle Time - Word, Page5ms
Product Attribute Attribute Value
Density256 kb
Standby Current-Max0.000005A
Serial Bus TypeI2C
Endurance1000000 Write/Erase Cycles
Write Cycle Time-Max (tWC)5ms
Data Retention Time-Min200
Write ProtectionHARDWARE
I2C Control Byte1010DDDR
Reverse PinoutNO
Height3.3mm
Length9.27mm
Width6.35mm
REACH SVHCNo SVHC
Radiation HardeningNo
RoHS StatusROHS3 Compliant
Lead FreeLead Free
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24LC256 Functional Block Diagram

Block Diagram

24LC256 Equivalent

              Model number                      Manufacturer                                        Description
24FC256T-E/ST16KVAO Microchip Technology Inc EEPROM, 32KX8, Serial, CMOS, PDSO8
24LC256-E/MFG Microchip Technology Inc 32K X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8, 6 X 5 MM, ROHS COMPLIANT, PLASTIC, DFN-8
24AA256T-I/MSG Microchip Technology Inc 32K X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8, PLASTIC, MSOP-8
24AA256T-I/CS16K Microchip Technology Inc 32K X 8 I2C/2-WIRE SERIAL EEPROM, PBGA8, CSP-8
24FC256-I/P Microchip Technology Inc 32K X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8, 0.300 INCH, ROHS COMPLIANT, PLASTIC, DIP-8
24LC256T-E/SNG Microchip Technology Inc 32K X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8, 3.90 MM, ROHS COMPLIANT, PLASTIC, SOIC-8
24LC256-I/ST14 Microchip Technology Inc 32K X 8 I2C/2-WIRE SERIAL EEPROM, PDSO14, 4.40 MM, LEAD FREE, PLASTIC, MO-153, TSSOP-14
24AA256/P Microchip Technology Inc 32K X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8, 0.300 INCH, PLASTIC, DIP-8
24LC256T-E/SMG Microchip Technology Inc 32K X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8, 5.28 MM, ROHS COMPLIANT, PLASTIC, SOIJ-8
24LC256T-E/SN Microchip Technology Inc 32K X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8, 3.90 MM, ROHS COMPLIANT, PLASTIC, SOIC-8

24LC256 Package Marking Information

8-Lead PDIP Package Marking Information

24LC256 Manufacturer

Microchip Technology Inc. is a leading provider of microcontroller and analog semiconductors, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality.

Datasheet PDF

24LC256-E/P Documents

Download datasheets and manufacturer documentation for 24LC256-E/P

Frequently Asked Questions

What is the essential property of the 24LC256?
The Microchip Technology Inc. 24LC256 is a 32K x 8 (256 Kbit) Serial Electrically Erasable PROM, capable of operation across a broad voltage range (1.7V to 5.5V). It has been developed for advanced, low-power applications such as personal communications or data acquisition.
What is the role of 24LC256 in the circuit?
24LC256 EEPROM is a readable and writable memory, and the number of erasing and writing is much higher than that of Flash memory (more durable). Generally, it is suitable for storing data with small amount of data and frequent reading and writing, such as device configuration information and so on.
FAQ
What is the essential property of the 24LC256?
The Microchip Technology Inc. 24LC256 is a 32K x 8 (256 Kbit) Serial Electrically Erasable PROM, capable of operation across a broad voltage range (1.7V to 5.5V). It has been developed for advanced, low-power applications such as personal communications or data acquisition.
What is the role of 24LC256 in the circuit?
24LC256 EEPROM is a readable and writable memory, and the number of erasing and writing is much higher than that of Flash memory (more durable). Generally, it is suitable for storing data with small amount of data and frequent reading and writing, such as device configuration information and so on.

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