93C66A-E/ST More Semiconductors - ICs by Microchip Technology

4Kb 5V Microwire (3-wire) Serial EEPROM with 8-Bit Organization

Status: Active
Series: 93C66A
RoHS: Compliant
View Datasheet Manufacturer Site View Pricing & Stock

The Microchip 93C66A device is a 4Kb Microwire (3-wire) Serial EEPROM with dedicated 8-bit memory organization and a voltage operation range of 4.5 - 5.5V.  Also available are the 93C66B for dedicated 16-bit memory organization and the 93C66C for hardware selectable word size using the ORG pin. The 93C66A is optimized for use in consumer, industrial, and automotive applications where reliable and dependable nonvolatile memory storage is essential. The device is available in a variety of Pb-free packages including SOT-23, PDIP, SOIC, MSOP, DFN and TSSOP.

Prices starting from US$0.41


Distributor Starting From Stock
Logo for Newark Electronics Newark Electronics US$0.48
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Logo for Avnet America Avnet America US$0.48
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Logo for Microchip Technology Microchip Technology US$0.41
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Logo for RS Americas RS Americas US$0.74
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Features

Industry Standard Microwire Serial I/O
Up to 2 MHz clock compatibility
512 x 8-Bit Organization
Automatic Erase All (ERAL) Before Write All (WRAL)
Self-Timed Erase and Write Cycles (2 ms max.)
Read current 100 uA (Typ), 500 uA (Max)
Write current 500 uA (Typ), 2 mA (Max)
Standby current 1 uA (Max at -40 to 85Ā°C)
Software Write-Protection
More than 1 million erase/write cycles
Data retention > 200 years
Grade 1 Temperature Range: -40Ā°C to 125Ā°C
Qualified for Automotive Applications
Factory Programming Available
Available in SOT-23-6, PDIP-8, SOIC-8, MSOP-8, 2x3 DFN-8 and TSSOP-8

Specifications

Density (Organization) 4K bits (x8)
Operating Voltage Min. (V) 4.5
Oper Voltage Max (V) 5.5
Max. Clock Freq. 2 MHz
Page Size (bytes) 0
Write Protected False
Write Protect Scheme None
Endurance 1,000,000
Pins | Packaging 8 | TSSOP
Temp Range -40C to +125C
Packing Media Tube (100)

Resources






Environmental Information

JEDEC Indicator e3
ROHS Compliant
China EFUP Compliant
Device Weight (g) 0.033
Shipping Weight (kg) 0.09
Lead Count 8
Package Type TSSOP
Package Width or Size 4.4mm
Soldering Composition Matte Tin

Alternative Descriptions

Eeprom, 4Kbit, -40 To 125Deg C | Newark Electronics
EEPROM Serial-Microwire 4K-bit 512 x 8 5V 8-Pin TSSOP Tube | Avnet America
4K, 512 X 8 SERIAL EE | Microchip Technology
IC EEPROM 4KBIT 2MHZ 8TSSOP | Microchip Technology Inc. 93C66A-E/ST | RS Americas
EEPROM, 4KBIT, -40 TO 125DEG C | Farnell


Frequently Asked Questions

Where can I find additional details, specifications and documents for a 93C66A-E/ST?

Additional datasheets, footprints and schematics for 93C66A-E/ST are listed on our Part Details page. You can also find images and similar parts to 93C66A-E/ST on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for 93C66A-E/ST on our Product Comparison page. Access via the 'View Pricing & Stock' button to view 93C66A-E/ST price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does 93C66A-E/ST fall under?

The 93C66A-E/ST is listed under Semiconductors - ICs > More Semiconductors - ICs.

Can I view similar or alternative parts?

You can view similar parts to 93C66A-E/ST when available in the More Semiconductors - ICs 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 93C66A-E/ST you can contact the distributor directly for product support, shipping queries etc.

Is the 93C66A-E/ST RoHS compliant?

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

Which authorised distributors for 93C66A-E/ST have stock available?

Authorised distributors including Newark Electronics, Avnet America, Microchip Technology, RS Americas and Farnell have stock available or on a lead time for 93C66A-E/ST.

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