25AA640AT-I/ST The Microchip Technology 25AA640AT-I/ST is a 64Kbit SPI EEPROM. It operates with a voltage range of 1.8V to 5.5V and a clock frequency of 10 MHz.
Mfr Part #:

25AA640AT-I/ST

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology 25AA640AT-I/ST is a 64Kbit SPI EEPROM. It operates with a voltage range of 1.8V to 5.5V and a clock frequency of 10 MHz.
✓ Total Stock: 19,122 pcs
$ Price Range: $1.24

25AA640AT-I/ST Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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19,122 pcs
19122 pcs On Request 1 On Request On Request 2020+ On Request On Request

25AA640AT-I/ST Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Frequency
Lead Spacing
Lead Style
Memory Format
Memory Interface
Memory Organization
Memory Size
Memory Type
Mounting Type
Operating Temperature
SVHC Present
Supplier Device Package
Supplier Package
Tape & Reel
Technology
Voltage
Write Cycle Time

25AA640AT-I/ST Description

Short technical summary and product information.

The Microchip Technology 25AA640AT-I/ST is a 64Kbit serial EEPROM designed for various applications requiring non-volatile data storage. This component utilizes the SPI interface for communication, offering a clock frequency of up to 10 MHz.

 

With an operating voltage range from 1.8V to 5.5V, it provides flexibility for different power supply designs. The device operates within a temperature range of -40°C to 85°C (TA). Its memory organization is 8K x 8, providing 64Kbit of storage capacity.

 

The EEPROM is housed in an 8-TSSOP package, suitable for surface mount applications. The package dimensions are 0.173 inches (4.40mm) in width. The write cycle time is specified as 5ms, ensuring efficient data writing operations.

25AA640AT-I/ST Quick Information

Product Type: SPI EEPROM
Canonical Name: Microchip Technology 25AA640AT-I/ST SPI EEPROM 64Kbit
Subcategory: SPI EEPROM

25AA640AT-I/ST Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

25AA640AT-I/ST Estimated Pricing

Qty Low High
1+ $1.24 $1.24

Estimated market price range - modelled values for guidance only, not live distributor offers.

25AA640AT-I/ST Features

  • 64Kbit SPI serial EEPROM memory.
  • Wide 1.8V to 5.5V operating voltage.
  • 10 MHz maximum clock frequency.
  • Surface mount 8-TSSOP package.
  • Operates from -40°C to 85°C.

25AA640AT-I/ST Applications

  • Suitable for data logging applications.
  • Used in embedded system memory expansion.
  • Ideal for configuration data storage.
  • Applicable in low-power devices.

25AA640AT-I/ST FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the 25AA640AT-I/ST?

1.8V to 5.5V.

What package does the 25AA640AT-I/ST come in?

8-TSSOP (0.173", 4.40mm Width) surface mount package.

What is the operating temperature range?

-40°C to +85°C (TA).

What is the memory size of the 25AA640AT-I/ST?

64 Kbit.

What interface does the 25AA640AT-I/ST use?

SPI.

What is the maximum clock frequency?

10 MHz.

What is the write cycle time?

5 ms.

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