93C66AT-I/ST The Microchip Technology 93C66AT-I/ST is a 4Kbit serial EEPROM with a 2MHz clock frequency. It operates from a 4.5V to 5.5V supply and has an industrial temperature range.
Mfr Part #:

93C66AT-I/ST

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology 93C66AT-I/ST is a 4Kbit serial EEPROM with a 2MHz clock frequency. It operates from a 4.5V to 5.5V supply and has an industrial temperature range.
✓ Total Stock: 19,798 pcs
$ Price Range: $1.24

93C66AT-I/ST Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
19,798 pcs
19798 pcs On Request 1 On Request On Request 2020+ On Request On Request

93C66AT-I/ST Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Frequency
Halogen Free
Memory Format
Memory Interface
Memory Organization
Memory Size
Memory Type
Mounting Type
Operating Temperature
Supplier Device Package
Tape & Reel
Technology
Voltage
Write Cycle Time

93C66AT-I/ST Description

Short technical summary and product information.

The Microchip Technology 93C66AT-I/ST is a 4Kbit serial Electrically Erasable PROM (EEPROM) designed for low-power, nonvolatile memory applications. It utilizes advanced CMOS technology and features a 3-wire Microwire serial interface.

 

Key electrical specifications include a clock frequency of 2 MHz, an operating voltage range of 4.5V to 5.5V, and a memory organization of 512 x 8 bits. The device supports 1,000,000 erase/write cycles and offers data retention exceeding 200 years. It operates within an industrial temperature range of -40°C to 85°C.

 

This EEPROM is available in an 8-TSSOP package, suitable for surface mount applications. The 93C66AT-I/ST is designed for reliability with power-on/off data protection circuitry and a device status signal.

93C66AT-I/ST Quick Information

Product Type: EEPROM
Canonical Name: Microchip Technology 93C66AT-I/ST 4Kbit EEPROM Microwire Serial Memory
Subcategory: Serial EEPROM

93C66AT-I/ST Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

93C66AT-I/ST Estimated Pricing

Qty Low High
1+ $1.24 $1.24

Estimated market price range - modelled values for guidance only, not live distributor offers.

93C66AT-I/ST Features

  • 4Kbit serial EEPROM memory
  • 2MHz maximum clock frequency
  • 4.5V to 5.5V operating voltage
  • Microwire 3-wire serial interface
  • Industrial temperature range (-40°C to 85°C)

93C66AT-I/ST Applications

  • Low-power nonvolatile data storage
  • Embedded system configuration data
  • Industrial control applications
  • Automotive electronics systems

93C66AT-I/ST FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the 93C66AT-I/ST?

4.5V to 5.5V.

What is the operating temperature range?

-40°C to +85°C.

What is the package type?

8-TSSOP (0.173", 4.40mm Width) surface mount.

Is the 93C66AT-I/ST lead-free?

Yes, it is Pb-free.

Is the 93C66AT-I/ST halogen free?

Yes, it is halogen free.

What is the memory size and organization?

4Kbit (512 x 8).

How many erase/write cycles does it support?

1,000,000 cycles.

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