AT25640B-XHL-B Memory by Microchip Technology

64Kb SPI Serial EEPROM

Status: Active
Series: AT25640B
RoHS: Compliant
View Datasheet Manufacturer Site View Pricing & Stock

The Microchip AT25640B is a 64 Kb Serial EEPROM utilizing the industry standard Serial Peripheral Interface (SPI) compatible serial bus. The device is organized as one block of 8192 x 8-bit and is optimized for use in consumer electronics, industrial, medical, and automotive applications where reliable and dependable nonvolatile memory storage is essential. Software write protection allows the user to protect ¼, ½, or the entire memory array. A hardware write protect pin is also provided, which additionally protects against inadvertent writes to the status register. The EEPROM is available in a variety of space-saving packaging options.

Prices starting from US$0.48


Distributor Starting From Stock
Logo for Microchip Technology Microchip Technology US$0.48
8,500
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Logo for RS RS US$0.56
700
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Logo for Transfer Multisort Elektronik Transfer Multisort Elektronik US$0.90
97
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Logo for EBV Elektronik EBV Elektronik -
100
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Logo for Newark Electronics Newark Electronics US$0.57
-
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Logo for Avnet America Avnet America US$0.59
-
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Logo for element14 element14 US$0.61
-
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Logo for Avnet Silica Avnet Silica -
-
Buy Now
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Features

8192 x 8-bit (64 Kbit)
Supports SPI modes 0 and 3
Up to 20 MHz clock frequency
Self-Timed Erase and Write Cycles (5 ms max.)
Read current: 6mA (Max) at 5 MHz
Write current: 6 mA (Max) at 5 MHz
Standby current: 6 µA (Max) at 1.8V, 10 µA (Max) at 5 V
Block Write Protection: Protect 1/4, 1/2 or Entire Array
More than 1 million erase/write cycles
Data retention 100 years
Temperature Ranges Available
Automotive Grade 1: -40°C to 125°C
Automotive Grade 2: -40°C to 105°C
Automotive Grade 3 / Industrial: -40°C to 85°C
Automotive AECQ-100 Qualified1
Factory Programming Available
Available in standard packages including 8-lead SOIC, and advanced packages including 8-lead TSSOP, 8-lead 2x3 DFN, and 8-ball VFBGA

Specifications

Density (Organization) 64 Kbit
Operating Voltage Min. (V) 1.8
Oper Voltage Max (V) 5.5
Max. Clock Freq. 20 MHz
Page Size (bytes) 32
Write Protected False
Write Protect Scheme Quarter, Half, Whole Array
Endurance 1,000,000
Data Retention (Years) 0
Bus Modes SPI
Battery Backup False
Pins | Packaging 8 | TSSOP
Temp Range -40C to +85C
Packing Media Tube (100)

Environmental Information

JEDEC Indicator e4
ROHS Compliant
China EFUP Compliant
Device Weight (g) 0.0358
Shipping Weight (kg) 0.19
Lead Count 8
Package Type TSSOP
Package Width or Size 4.4mm
Soldering Composition NiPdAu

Alternative Descriptions

1.8-5.5V, 20MHz, Ind Temp, 8-TSSOP | Microchip Technology
IC: EEPROM memory | Transfer Multisort Elektronik
EEPROM Serial-SPI 64K-bit 8K x 8 2.5V/3.3V/5V 8-Pin TSSOP Bulk | EBV Elektronik
SERIAL EEPROM, 64KBIT, 5MHZ, TSSOP-8 | Farnell
Serial Eeprom, 64Kbit, 5Mhz, Tssop-8 | Newark Electronics


Frequently Asked Questions

Where can I find additional details, specifications and documents for a AT25640B-XHL-B?

Additional datasheets, footprints and schematics for AT25640B-XHL-B are listed on our Part Details page. You can also find images and similar parts to AT25640B-XHL-B on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for AT25640B-XHL-B on our Product Comparison page. Access via the 'View Pricing & Stock' button to view AT25640B-XHL-B price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does AT25640B-XHL-B fall under?

The AT25640B-XHL-B is listed under Semiconductors - ICs > Memory > EEPROM.

Can I view similar or alternative parts?

You can view similar parts to AT25640B-XHL-B when available in the EEPROM range under the specifications section at the bottom of the details page.

Who can I contact for technical support of the product?

Submit any questions directly to the customer support team of the distributor listing the product. For the AT25640B-XHL-B you can contact the distributor directly for product support, shipping queries etc.

Is the AT25640B-XHL-B RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Microchip Technology.

Which authorised distributors for AT25640B-XHL-B have stock available?

Authorised distributors including Microchip Technology, RS, Transfer Multisort Elektronik, EBV Elektronik and Farnell have stock available or on a lead time for AT25640B-XHL-B.

How do I check stock and lead times for all distributors?

Stock availability and lead times will be displayed for AT25640B-XHL-B often in real-time on the comparison pages.

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