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Microchip Technology 25AA040AX-I/ST Microcontrollers

IC EEPROM 4KBIT SPI 10MHZ 8TSSOP

10,000 ActiveMicrochip Technology25AA0408-TSSOP (0.173", 4.40mm Width)$1.25
25AA040AX-I/ST 8-TSSOP (0.173", 4.40mm Width) package illustration

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

25AA040AX-I/ST
Part Number (MPN)
25AA040AX-I/ST
Base Model
Detailed Description
IC EEPROM 4KBIT SPI 10MHZ 8TSSOP
Package
8-TSSOP (0.173", 4.40mm Width)
Lifecycle Status
Active
Datasheet
PDF 25AA040AX-I/ST Datasheet
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Ordering Code Family

25AA040 groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

3 ordering variants listed on the family page.

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Technical Specifications

Microchip Technology 25AA040AX-I/ST Microcontrollers technical specifications.

General

Interface
Serial-SPI
Memory Size
4Kb (512 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

Related Parts Comparison (25AA040AX-I/ST vs 25AA040X/ST vs 25AA040AT-I/MS vs 25AA040X-I/ST)

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°C ~ 85°C (TA)0°C ~ 70°C (TA)-40 ~ 85-40°C ~ 85°C (TA)
Supply Voltage1.8V ~ 5.5V1.8V ~ 5.5V2.5/3.3/51.8V ~ 5.5V
Memory Size4Kb (512 x 8)4Kb (512 x 8)4K4Kb (512 x 8)
RoHSCompliantROHS3 CompliantCompliantCompliant
Lifecycle StatusActiveObsoleteActiveActive
Max Frequency10 MHz1 MHz101 MHz
Package / Case8-TSSOP8-TSSOP--8-TSSOP
InterfaceSerial-SPI--Serial-SPISerial-SPI
Number of Pins8--88
AutomotiveNo--NoNo
Clock Frequency10 MHz1 MHz--1 MHz
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