Microchip Technology 25AA256T-I/ST Microcontrollers
IC EEPROM 256KBIT SPI 8TSSOP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
25AA256T-I/ST
Base Model
Detailed Description
IC EEPROM 256KBIT SPI 8TSSOP
Package
8-TSSOP (0.173", 4.40mm Width)
Lifecycle Status
Active
Datasheet
25AA256T-I/ST Datasheet
Quick Jump:
Technical Specifications
Microchip Technology 25AA256T-I/ST Microcontrollers technical specifications.
General
Interface
Serial-SPI
Memory Size
256Kb (32K x 8)
RoHS
Compliant
Number of Pins
8
Package / Case
8-TSSOP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.8V ~ 5.5V
Lifecycle Status
Active
Technology
EEPROM
Alternate Parts Comparison (25AA256T-I/ST vs 25AA256T-E/MF vs 25AA256T-I/SN vs 25AA256T-E/ST)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40 ~ 125 | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TA) |
| Supply Voltage | 1.8V ~ 5.5V | 2.5/3.3/5 | 1.8V ~ 5.5V | 1.8V ~ 5.5V |
| Memory Size | 256Kb (32K x 8) | 256K | 256Kb (32K x 8) | 256Kb (32K x 8) |
| Interface | Serial-SPI | Serial-SPI | Serial-SPI | Serial-SPI |
| Number of Pins | 8 | 8 | 8 | 8 |
| RoHS | Compliant | Compliant | Compliant | Compliant |
| Lifecycle Status | Active | Active | Active | Active |
| Address Bus Width Bit | 16 | 16 | 16 | 16 |
| Automotive | Yes | Yes | Yes | Yes |
| Data Retention | 200(Min) | 200(Min) | 200(Min) | 200(Min) |
| Hardware Data Protection | Yes | Yes | Yes | Yes |
| Action |
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
CAT25256YI-GT3onsemiDirectonsemi
Pin YesPkg YesElec Yes
EEPROM Memory IC 256Kbit SPI 20 MHz 8-TSSOP
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