93LC46B-I/SN Memory by Microchip Technology

1Kb Microwire (3-wire) Serial EEPROM with 16-Bit Organization

Status: Active
Series: 93LC46B
RoHS: Compliant
View Datasheet Manufacturer Site View Pricing & Stock

The Microchip 93LC46B device is a 1Kb Microwire (3-wire) Serial EEPROM with dedicated 16-bit memory organization and a voltage operation range of 2.5 - 5.5V.  Also available are the 93LC46A for dedicated 8-bit memory organization and the 93LC46C for hardware selectable word size using the ORG pin. The 93LC46B 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.

Distributor Price Stock
Logo for Future Electronics Future Electronics US$0.32
Buy Now
Logo for Transfer Multisort Elektronik Transfer Multisort Elektronik US$0.35
Buy Now
Logo for Chip One Stop Chip One Stop US$0.88
Buy Now
Logo for element14 element14 US$0.35
Buy Now
Logo for Schukat Electronic Schukat Electronic US$0.34
Buy Now
Logo for Avnet Asia Avnet Asia US$0.21
Buy Now
Logo for Avnet America Avnet America US$0.28
Buy Now
Logo for Microchip Technology Microchip Technology US$0.29
Buy Now
Logo for Newark Electronics Newark Electronics US$0.31
Buy Now
View Full Pricing & Stock Comparison


Industry Standard Microwire Serial I/O
Up to 2 MHz clock compatibility
64 x 16-Bit Organization
Automatic Erase All (ERAL) Before Write All (WRAL)
Self-Timed Erase and Write Cycles (6 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


Density (Organization) 1K bits (x16)
Operating Voltage Min. (V) 2.5
Oper Voltage Max (V) 5.5
Max. Clock Freq. 2 MHz
Page Size (bytes) 16
Write Protected True
Write Protect Scheme None
Endurance 1,000,000
Pins | Packaging 8 | SOIC
Temp Range -40C to +85C
Packing Media Tube (100)


Environmental Information

JEDEC Indicator e3
ROHS Compliant
China EFUP Compliant
Device Weight (g) 0.078
Shipping Weight (kg) 0.25
Lead Count 8
Package Type SOIC
Package Width or Size .150In(3.90mm)
Soldering Composition Matte Tin

Alternative Descriptions

93LC46 Series 1 Kbit (64 x 16) 5.5 V Microwire Compatible Serial EEPROM - SOIC-8 | Future Electronics
IC: EEPROM memory | Transfer Multisort Elektronik
NON ROHS / CI SO8 / TUBE | Holdelec
SERIAL EEPROM, 1KBIT, 2MHZ, SOIC-8 | element14
EEPROM Ser 2,5V 64x16 SO8 | Schukat Electronic
SMT | Component Electronics
EEPROM Serial-Microwire 1K-bit 64 x 16 3.3V/5V 8-Pin SOIC N Tube | Avnet Asia
1K, 64 X 16 SERIAL EE, IND | Microchip Technology
Serial Eeprom, 1Kbit, 2Mhz, Soic-8 | Newark Electronics

Featured content from Future

Frequently Asked Questions

Where can I find additional details, specifications and documents for a 93LC46B-I/SN?

Additional datasheets, footprints and schematics for 93LC46B-I/SN are listed on our Part Details page. You can also find images and similar parts to 93LC46B-I/SN on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for 93LC46B-I/SN on our Product Comparison page. Access via the 'View Pricing & Stock' button to view 93LC46B-I/SN price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does 93LC46B-I/SN fall under?

The 93LC46B-I/SN is listed under Semiconductors - ICs > Memory > EEPROM.

Can I view similar or alternative parts?

You can view similar parts to 93LC46B-I/SN 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 93LC46B-I/SN you can contact the distributor directly for product support, shipping queries etc.

Is the 93LC46B-I/SN RoHS compliant?

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

Which authorised distributors for 93LC46B-I/SN have stock available?

Authorised distributors including Future Electronics, Transfer Multisort Elektronik, Chip One Stop, element14 and Schukat Electronic have stock available or on a lead time for 93LC46B-I/SN.

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

Stock availability and lead times will be displayed for 93LC46B-I/SN often in real-time on the comparison pages.

What if I can't find stock of 93LC46B-I/SN?

You can fill out our help required form which you can use to request a quote for 93LC46B-I/SN from some of our verified obsolescence suppliers. Alternatively, contact us via our web chat in the bottom left of your screen and one of our team will try to help.

We use cookies to improve your experience. See our privacy policy.