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Microchip Technology 24AA256T-I/SN Microcontrollers

IC EEPROM 256KBIT I2C 8SOIC

8,550 ActiveMicrochip Technology24AA2568-SOIC (0.154", 3.90mm Width)$0.76
24AA256T-I/SN 8-SOIC (0.154", 3.90mm Width) package illustration

Same model may have multiple batches, images only for reference.

24AA256T-I/SN
Part Number (MPN)
24AA256T-I/SN
Base Model
Detailed Description
IC EEPROM 256KBIT I2C 8SOIC
Package
8-SOIC (0.154", 3.90mm Width)
Lifecycle Status
Active
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Ordering Code Family

24AA256 groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

8 ordering variants listed on the family page.

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Technical Specifications

Microchip Technology 24AA256T-I/SN Microcontrollers technical specifications.

General

Interface
Serial-I2C
Memory Size
256Kb (32K x 8)
RoHS
Compliant
Number of Pins
8
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.7V ~ 5.5V
Lifecycle Status
Active
Technology
EEPROM

Alternate Parts Comparison (24AA256T-I/SN vs 24AA256SC-I/W16K vs 24AA256T-I/CS16K vs 24AA256UIDT-I/SN)

Side-by-side technical parameter comparison of related primary models in this product family.

This PartAlternate PartsAlternate PartsAlternate Parts
Package / Case8-SOICDie8-UFBGA8-SOIC
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Operating Temperature-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)
Supply Voltage1.7V ~ 5.5V1.7V ~ 5.5V1.7V ~ 5.5V1.7V ~ 5.5V
Memory Size256Kb (32K x 8)256Kb (32K x 8)256Kb (32K x 8)256Kb (32K x 8)
InterfaceSerial-I2CSerial-I2CSerial-I2CSerial-I2C
RoHSCompliantCompliantCompliantCompliant
Lifecycle StatusActiveActiveActiveActive
Access Time900 ns900 ns900 ns900 ns
AutomotiveNoNoYesYes
Data Retention200(Min)200(Min)200(Min)200(Min)
Hardware Data ProtectionYesYesYesYes
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Cross Reference

Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .

Suggested replacements

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