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25AA640A-E/ST The Microchip Technology 25AA640A-E/ST is a 64Kbit SPI Serial EEPROM. It operates from 1.8V to 5.5V and features a 10 MHz clock frequency.
Mfr Part #:

25AA640A-E/ST

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology 25AA640A-E/ST is a 64Kbit SPI Serial EEPROM. It operates from 1.8V to 5.5V and features a 10 MHz clock frequency.
✓ Total Stock: 800 pcs
$ Price Range: $1.24

25AA640A-E/ST Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
800 pcs
On Request
800 pcs On Request 1 On Request On Request 21+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

25AA640A-E/ST Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Frequency
Memory Format
Memory Interface
Memory Organization
Memory Size
Memory Type
Mounting Type
Operating Temperature
SVHC Present
Supplier Device Package
Technology
Voltage
Write Cycle Time
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25AA640A-E/ST Description

Short technical summary and product information.

The Microchip Technology 25AA640A-E/ST is a 64Kbit SPI Serial EEPROM designed for non-volatile data storage. This component operates within a wide voltage range of 1.8V to 5.5V, making it suitable for various applications. It supports SPI communication protocol with a clock frequency of up to 10 MHz.

 

The EEPROM has a memory organization of 8K x 8 bits, providing ample storage for configuration data or small datasets. The operating temperature range is from -40°C to 125°C (TA), ensuring reliable performance in demanding environments. The write cycle time is specified as 5ms.

 

Packaged in an 8-TSSOP (0.173", 4.40mm Width) surface mount configuration, the 25AA640A-E/ST is designed for efficient board space utilization. Its robust specifications make it a versatile choice for embedded systems requiring reliable non-volatile memory.

25AA640A-E/ST Quick Information

Product Type: SPI Serial EEPROM
Canonical Name: Microchip Technology 25AA640A-E/ST SPI Serial EEPROM
Subcategory: SPI Serial EEPROM

25AA640A-E/ST Compliance

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

25AA640A-E/ST Estimated Pricing

Qty Low High
1+ $1.24 $1.24

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

25AA640A-E/ST Features

  • 64Kbit SPI Serial EEPROM memory.
  • Wide operating voltage from 1.8V to 5.5V.
  • Maximum clock frequency of 10 MHz.
  • Operates from -40°C to 125°C.
  • 8-TSSOP surface mount package.

25AA640A-E/ST Applications

  • Store device configuration parameters in SPI systems.
  • Retain calibration data in industrial sensors.
  • Log small event data in embedded applications.
  • Ideal for automotive control modules requiring non-volatile memory.

25AA640A-E/ST FAQs

6 frequently asked questions generated from this part’s specifications.
What is the memory size of the 25AA640A-E/ST?

The memory size is 64 Kbit.

What type of memory interface does the 25AA640A-E/ST use?

It uses an SPI memory interface.

What is the operating voltage range for the 25AA640A-E/ST?

The operating voltage range is 1.8 V to 5.5 V.

What is the operating temperature range?

The operating temperature range is -40°C to 125°C.

What is the clock frequency of this EEPROM?

The clock frequency is 10 MHz.

What package type is the 25AA640A-E/ST supplied in?

It is supplied in an 8-TSSOP package.

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