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Microchip Technology 25AA320AT-I/ST Microcontrollers

IC EEPROM 32KBIT SPI 8TSSOP

20,000 ActiveMicrochip Technology25AA320SO$1.63
25AA320AT-I/ST SO package illustration

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

25AA320AT-I/ST
Part Number (MPN)
25AA320AT-I/ST
Base Model
Detailed Description
IC EEPROM 32KBIT SPI 8TSSOP
Package
SO
Lifecycle Status
Active
Datasheet
PDF 25AA320AT-I/ST Datasheet
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Ordering Code Family

25AA320 groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

4 ordering variants listed on the family page.

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Technical Specifications

Microchip Technology 25AA320AT-I/ST Microcontrollers technical specifications.

General

Interface
Serial-SPI
Memory Size
32K
RoHS
Compliant
Number of Pins
8
Mounting Type
Surface Mount
Operating Temperature
-40 ~ 85
Supply Voltage
2.5/3.3/5
Lifecycle Status
Active
Automotive
No
PPAP
No

Related Parts Comparison (25AA320AT-I/ST vs 25AA320A-I/W16K vs 25AA320A-I/WF16K vs 25AA320T-I/SN)

Side-by-side specifications of related catalog parts.

Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.

This PartRelated PartRelated PartRelated Part
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Operating Temperature-40 ~ 85-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)
Supply Voltage2.5/3.3/51.8V ~ 5.5V1.8V ~ 5.5V1.8V ~ 5.5V
Memory Size32K32Kb (4K x 8)32Kb (4K x 8)32Kb (4K x 8)
RoHSCompliantROHS3 CompliantCompliantCompliant
Lifecycle StatusActiveActiveActiveActive
AutomotiveNoNoNoNo
Max Frequency1010 MHz10 MHz1 MHz
PPAPNoNoNoNo
InterfaceSerial-SPI--Serial-SPISerial-SPI
Battery BackupNoNoNo--
Bus ModesSPISPISPI--
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

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