This website uses cookies. By using this site, you consent to the use of cookies. For more information, please take a look at our Privacy Policy.

Images are for reference only See technical specifications

93LC66B/SN

In Stock: 4,612

EEPROM Memory IC 4Kbit Microwire 2 MHz 8-SOIC

Manufacturers:
Microchip Technology, Inc
Mfr.Part#:
93LC66B/SN
Datasheet:
93LC66B/SN Datasheet (PDF)
Package/Case:
SOP-8
Product Type:
Memory
RoHS:
Lifecycle:
Active
EDA/CAD Models:
Request Free CAD Models for 93LC66B/SN

93LC66B/SN Information

Description

The Microchip 93LC66B/SN is a 4Kb Microwire (3-wire) Serial EEPROM with 16-bit organization, designed for compact and reliable data storage in small devices. It features industry-standard microwire serial I/O, up to 2 MHz clock compatibility, and automatic erase and write cycles. This device offers software write-protection, more than 1 million erase/write cycles, and data retention over 200 years. Its temperature range is -40°C to 125°C, making it suitable for automotive applications. The 93LC66B/SN is available in various packages, including the 8-SOIC (0.154", 3.90mm Width) package. This device is ideal for industrial and consumer applications where reliable data storage is crucial. Its compact size and low power consumption make it an essential component in many systems.

Features

According to the product information, the features of the 93LC66B/SN are:

Industry Standard Microwire Serial I/O
Up to 2 MHz clock compatibility
256 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

These features make it a compact, reliable, and efficient memory storage solution suitable for various applications, including automotive use.

Package

The package type of the 93LC66B/SN is 8-SOIC (0.154", 3.90mm Width).

Manufacturer

The manufacturer of the 93LC66B/SN is Microchip. Microchip is a semiconductor company that specializes in designing, manufacturing, and selling microcontrollers (MCUs), memory products, and other semiconductor solutions for various industries such as automotive, industrial, consumer, and aerospace.

Applications

According to the product information, the application areas of 93LC66B/SN are:

Compact and reliable solutions
Essential in small devices
Perfect for automotive use
Industrial applications benefit from its secure data storage solution
Must-have for consumer tech
Efficient memory storage solutions for all systems

Equivalent

The equivalent products of 93LC66B/SN are:

Microchip's 24LC64A/B, 24LC256A/B
Texas Instruments' DS2506, DS2517
STMicroelectronics' M24C64, M24C256

These products offer similar features and specifications to the 93LC66B/SN.

Specifications

Product Category:	EEPROM	Mounting Style:	SMD/SMT
Memory Size:	4 kbit	Organization:	256 x 16
Interface Type:	Serial, 3-Wire, Microwire	Data Retention:	200 Year
Maximum Clock Frequency:	2 MHz	Supply Current - Max:	2 mA
Supply Voltage - Min:	2.5 V	Supply Voltage - Max:	5.5 V
Minimum Operating Temperature:	0 C	Maximum Operating Temperature:	+ 70 C
Packaging:	Tube	Height:	1.25 mm (Min)
Length:	4.9 mm	Width:	3.9 mm
Moisture Sensitive:	Yes	Operating Supply Current:	1.5 mA
Operating Supply Voltage:	2.5 V to 5.5 V	Product Type:	EEPROM
Programming Voltage:	2.5 V to 6 V	Factory Pack Quantity:	100
Subcategory:	Memory & Data Storage	Unit Weight:	0.019048 oz
Tags	93LC66B/SN, 93LC66B/S, 93LC66B, 93LC66, 93LC6, 93LC, 93L	Package/Case	SOP-8

93LC66B/SN FAQs

1.Q: What package options are available for the 93LC66B/SN?

A: It comes in an 8-SOIC package (3.9mm width, gull-wing leads) for surface-mount applications.

2.Q: What is the maximum clock frequency for the 93LC66B/SN?

A: The max clock frequency is 2 MHz for reliable serial communication.

3.Q: Does the 93LC66B/SN support automotive standards?

A: Yes, it’s automotive-qualified (PPAP-capable) and meets AEC-Q100 reliability requirements.

4.Q: What is the operating temperature range of the 93LC66B/SN?

A: It operates from 0°C to +70°C (commercial grade).

5.Q: What are the absolute maximum ratings for the 93LC66B/SN?

A: Absolute max ratings: VCC = 7V, storage temp = -65°C to +150°C, and input voltage = VCC + 0.3V.

6.Q: What are typical applications for the 93LC66B/SN?

A: It’s used in automotive systems, industrial controls, medical devices, and consumer electronics for parameter storage.

7.Q: What are the key features of the 93LC66B/SN?

A: Key features include 4K-bit (256x16) density, Microwire serial interface, 2.5–6V supply range, 200-year data retention, and hardware data protection.

8.Q: What is the pinout configuration of the 93LC66B/SN?

A: The 93LC66B/SN in 8-SOIC has pins: 1 (CS), 2 (SK), 3 (DI), 4 (DO), 5 (GND), 6 (NC), 7 (NC), and 8 (VCC).

Service Policies and Others

After-Sales & Settlement Related

Payment

Payment Method

TT/Wire Transfer

Paypal

Western Union

Money Gram

For alternative payment channels, please reach out to us at:

[email protected]

Shipping & Packing

Shipping Method

Fedex

UPS

DHL

TNT

Packing

AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

Warranty

365-Day Product Quality Guarantee

We promise to provide 365 days quality assurance service for all our products.

After Sales Service

Returns and exchanges are supported, provided the items remain in their original condition.

Ratings and Reviews

S

S**i
06/17/2022

18

I order nanks in this store not the first time, everything is always fine.
D

D**n
03/05/2021

1

Hello! Thank you for the product i received. I put all the stars!!!
J

J**e
01/19/2021

4

All of 10 ICs tested with OK result :)

Write a Review

You need to log in to reply.

Reference Price（USD）

Request For Price

Quantity

Unit Price

Ext. Price

5000+

$0.107

$535.00

2500+

$0.112

$280.00

500+

$0.121

$60.50

150+

$0.140

$21.00

50+

$0.155

$7.75

$0.191

$0.96

*The prices above are for reference only.

100,000+ Inventory
One-stop services
Best
Price
Quality Assurance

Service Support

Email: [email protected]

Teams: [email protected]

Tel: +852 95804164

Qualification

Payment Methods

Shipping Information

Shipped From:
HK warehouse
Expected Shipping Date:
to

(HKT)
Expected Quotation Date:
(HKT)
Supplier Lead-Time:
Call for availability

*Lead times apply to standard orders and are based on business days only. Please contact us for details.

Top Sellers

AT24C256C-SSHL-T

5,251+

EEPROM memory chip
$0.185
U2010B

4,050+

Microchip Technology Root Part Number U2010B
93LC46B

7,231+

Compact and fast data storage solution for industrial control and automation

24LC02B

4,303+

A reliable and compact solution for data storage, this serial EEPROM offers a large memory capacity of b
93LC56BT-I/OT

3,143+

EEPROM Memory IC 2Kbit Microwire 2 MHz SOT-23-6
AT27C010-70PU

6,213+

AT27C010-70PU is a 1 Mbit OTP EPROM in PDIP-32 form factor