24AA256T-E/MF by Microchip Technology

256Kb I2C compatible 2-wire Serial EEPROM

Status: Active
Series: 24AA256
RoHS: Compliant
View Datasheet Manufacturer Site View Pricing & Stock

The Microchip Technology Inc. 24AA256 is a 256Kb (32K x 8) Serial Electrically Erasable PROM (EEPROM), 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.

Prices starting from US$1.16


Distributor Starting From Stock
Logo for Newark Electronics Newark Electronics US$1.34
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Logo for Avnet America Avnet America US$1.41
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Logo for Microchip Technology Microchip Technology US$1.16
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Logo for RS Americas RS Americas US$2.25
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Features

32K x 8 (256Kbit)
64-Byte Page Write Buffer
Page Write Time 5 ms Max.
Hardware Write-Protect Pin
Factory Programming Available
Operating voltage 1.7V to 5.5V
Read current 400 uA, max.
Standby current 1 uA, max.
Cascadable up to Eight Devices
100 kHz and 400 kHz Clock Compatible
Pb-Free and RoHS Compliant

Specifications

Density (Organization) 256K bits (x8)
Operating Voltage Min. (V) 1.7
Oper Voltage Max (V) 5.5
Max. Clock Freq. 400 kHz
Page Size (bytes) 64
Write Protected False
Write Protect Scheme Full Array
Endurance 1,000,000
Data Retention (Years) 200
Battery Backup False
Pins | Packaging 8 | DFN-S
Temp Range -40C to +125C
Packing Media Tape and reel (3300)

Resources


Application Notes
AN974 - Interfacing I2Cā„¢ Serial EEPROMs to PICmicroĀ® Microcontrollers
AN976 - Using the MSSP Module to Interface I2C? Serial EEPROMs with PIC16 Devices
AN979 - Interfacing I2Cā„¢ Serial EEPROMs to PIC18 Devices
AN982 - Interfacing I2C Serial EEPROMs to PIC10 and PIC12 Devices
AN989 - Using the MSSP Module to Interface I2C? Serial EEPROMs with PIC18 Devices
AN991 - Using the C18 Compiler and the MSSP to Interface I2Cā„¢ EEPROMs with PIC18 Devices
AN997 - Using the C18 Compiler to Interface I2C? Serial EEPROMs with PIC18 Devices
AN1019 - EEPROM Endurance Tutorial
AN1028 - Recommended Usage of Microchip I2C? Serial EEPROM Devices
AN1079 - Using the C30 Compiler and the I2C? Peripheral to Interface Serial EEPROMs with dsPIC33F
AN1100 - Using the C30 Compiler to Interface Serial EEPROMs with dsPIC33F
AN1113 - Using C and a Hardware Module to Interface 8051 MCUs with I2C Serial EEPROMs
AN1147 - Interfacing 8051 MCUs with I2C Serial EEPROMs
AN1190 - Using ASM and a Hardware Module to Interface 8051 MCUs with I2C(TM) Serial EEPROMs
AN1195 - Using C to Interface 8051 MCUs with I2C(TM) Serial EEPROMs
AN1418 - Adding Flexibility by Using Multiple Footprints for I2C Serial EEPROMs
AN1488 - Bit Banging I2C on Mid-Range MCUs with the XC8 C Compiler




Environmental Information

JEDEC Indicator e3
ROHS Compliant
China EFUP Compliant
Device Weight (g) 0.0769
Shipping Weight (kg) 0.218182
Lead Count 8
Package Type DFN-S
Package Width or Size 6x5x0.9mm
Soldering Composition Matte Tin

Alternative Descriptions

EEPROM, AEC-Q100, 256KBIT, -40TO125DEG C | Farnell Contract
256K, 32K X 8, 1.8V Ser Ee, Ext 8 Dfn-S 6X5X0.9Mm T/R Rohs Compliant: Yes |Microchip 24AA256T-E/MF | Newark Electronics
EEPROM Serial-I2C 256K-bit 32K x 8 1.8V/2.5V/3.3V/5V 8-Pin DFN-S EP T/R | Avnet America
256K, 32K X 8, 1.8V SER EE EXT | Microchip Technology
256K, 32K X 8, 1.8V SER EE, EXT | Microchip Technology Inc. 24AA256T-E/MF | RS Americas


Frequently Asked Questions

Where can I find additional details, specifications and documents for a 24AA256T-E/MF?

Additional datasheets, footprints and schematics for 24AA256T-E/MF are listed on our Part Details page. You can also find images and similar parts to 24AA256T-E/MF on this page.

What pricing and inventory information can I view?

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Who can I contact for technical support of the product?

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Is the 24AA256T-E/MF RoHS compliant?

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

Which authorised distributors for 24AA256T-E/MF have stock available?

Authorised distributors including Farnell Contract, Newark Electronics, Avnet America, Microchip Technology and RS Americas have stock available or on a lead time for 24AA256T-E/MF.

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