AT93C46DN-SH-T Memory by Microchip Technology

1Kb Microwire (3-wire) Serial EEPROM

Status: Active
Series: AT93C46D
RoHS: Compliant
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The Microchip AT93C46D is a 1 Kb Microwire (3-wire) Serial EEPROM organized as either 128 x 8 or 64 x 16, selectable in hardware using the ORG pin. The device is optimized for use in consumer, industrial, and automotive applications where reliable and dependable nonvolatile memory storage is essential. The EEPROM is available in a variety of space-saving packaging options.
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User selectable 128 x 8 or 64 x 16 Organization (1 Kbit)
Industry Standard Microwire Serial I/O
Up to 2 MHz clock compatibility
Self-Timed Erase and Write Cycles (5 ms max.)
Read current 0.5 mA (Typ), 2.0 mA (Max)
Write current 0.5 mA (Typ),2.0 mA (Max)
Standby current 10.0 uA (Typ), 15.0 uA (Max)
Software Write-Protection
More than 1 million erase/write cycles
Data retention > 100 years
Grade 1 Temperature Range: -40°C to 125°C
Qualified for Automotive Applications
Factory Programming Available
Available in 8-pin SOIC (150 mil), 8-pin TSSOP, 8-pad UDFN, 8-pin PDIP, and 8-ball VFBGA packages


Density (Organization) 1K bits (x8 or x16)
Operating Voltage Min. (V) 1.8
Oper Voltage Max (V) 5.5
Max. Clock Freq. 2 MHz
Page Size (bytes) 0
Write Protected True
Endurance 1,000,000
Data Retention (Years) 0
Battery Backup False
Pins | Packaging 8 | SOIC
Temp Range -40C to +85C
Packing Media Tape and reel (4000)

Environmental Information

JEDEC Indicator e3
ROHS Compliant
China EFUP Compliant
Device Weight (g) 0.078
Shipping Weight (kg) 0.230303
Lead Count 8
Package Type SOIC
Package Width or Size .150In(3.90mm)
Soldering Composition Matte Tin

Alternative Descriptions

EEPROM | Unibetter
EEPROM Serial-3Wire 1K-bit 128 x 8/64 x 16 2.5V/3.3V/5V 8-Pin SOIC T/R | Avnet Europe
AT93C46D Series 1 Kb (128 x 8/64 x 16) 5.5 V 3-Wire Serial EEPROM - SOIC-8 | Future Electronics
8 SOIC,PB/HALO FREE, 1.8V - 8 SOIC, PB/HALO FREE,1.8V | RS Americas
Serial Eeprom, 1Kbit, 2Mhz, Soic-8 | Newark Electronics
1.8-5.5V 2MHz Ind Temp 8-SOIC-N | Microchip Technology
1.8V - 8 PB/ 1.8V | Mouser Electronics

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Frequently Asked Questions

Where can I find additional details, specifications and documents for a AT93C46DN-SH-T?

Additional datasheets, footprints and schematics for AT93C46DN-SH-T are listed on our Part Details page. You can also find images and similar parts to AT93C46DN-SH-T on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for AT93C46DN-SH-T on our Product Comparison page. Access via the 'View Pricing & Stock' button to view AT93C46DN-SH-T price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does AT93C46DN-SH-T fall under?

The AT93C46DN-SH-T is listed under Semiconductors - ICs > Memory > EEPROM.

Can I view similar or alternative parts?

You can view similar parts to AT93C46DN-SH-T 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 AT93C46DN-SH-T you can contact the distributor directly for product support, shipping queries etc.

Is the AT93C46DN-SH-T RoHS compliant?

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

Which authorised distributors for AT93C46DN-SH-T have stock available?

Authorised distributors including Avnet Europe, Future Electronics, Avnet Asia, Avnet America and Farnell have stock available or on a lead time for AT93C46DN-SH-T.

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