93C66A-I/P by Microchip Technology

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


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.

Where to Buy

Prices starting from US$0.25

Distributor Stock
Logo for RS
RS
from US$0.42
495
in stock
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Logo for Microchip Technology
Microchip Technology
from US$0.37
12,960
in stock
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Logo for Newark Electronics
Newark Electronics
from US$0.44
915
in stock
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Logo for element14
element14
from US$0.41
915
in stock
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Logo for Farnell
Farnell
from US$0.33
915
in stock
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Logo for Transfer Multisort Elektronik
Transfer Multisort Elektronik
from US$0.61
539
in stock
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Logo for RS Americas
RS Americas
from US$0.25
308
in stock
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Logo for Avnet America
Avnet America
from US$0.42
16
in stock
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Logo for EBV Elektronik
EBV Elektronik
-
-
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Logo for Avnet Silica
Avnet Silica
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-
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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 85°C)
Software Write-Protection
More than 1 million erase/write cycles
Data retention > 200 years
Grade 1 Temperature Range: -40°C to 125°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 | PDIP
Temp Range -40C to +85C
Packing Media Tube (60)

Resources






Environmental Information

JEDEC Indicator e3
ROHS Compliant
China EFUP Compliant
Device Weight (g) 0.4867
Shipping Weight (kg) 0.9
Lead Count 8
Package Type PDIP
Package Width or Size .300in
Soldering Composition Matte Tin

Alternative Descriptions

4K, 512 X 8 SERIAL EE | Microchip Technology
Eeprom, 4Kbit, -40 To 85Deg C Rohs Compliant: Yes |Microchip 93C66A-I/P | Newark Electronics
EEPROM, 4KBIT, -40 TO 85DEG C | element14
IC: EEPROM memory | Transfer Multisort Elektronik
Microchip Technology, 93C66A-I/P | RS
Microchip 93C66A-I/P Serial EEPROM Memory, 4kbit, 200ns, 4.5 to 5.5 V 8-Pin PDIP | Microchip Technology Inc. 93C66A-I/P | RS Americas
EEPROM Serial-Microwire 4K-bit 512 x 8 5V 8-Pin PDIP Tube | Avnet America


Frequently Asked Questions

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

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

What pricing and inventory information can I view?

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

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-I/P you can contact the distributor directly for product support, shipping queries etc.

Is the 93C66A-I/P RoHS compliant?

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

Which authorised distributors for 93C66A-I/P have stock available?

Authorised distributors including Microchip Technology, Newark Electronics, element14, Farnell and Transfer Multisort Elektronik have stock available or on a lead time for 93C66A-I/P.

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

Stock availability and lead times will be displayed for 93C66A-I/P often in real-time on the comparison pages.

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