AT93C66A The AT93C66A from Microchip Technology is a 4Kbit EEPROM memory chip featuring a 3-wire serial interface. It operates within a voltage range of 2.7V to 5.5V and is available in an 8-TSSOP package.
Mfr Part #:

AT93C66A

Available from 2 distributors
Mfr Name: Atmel
Atmel
The AT93C66A from Microchip Technology is a 4Kbit EEPROM memory chip featuring a 3-wire serial interface. It operates within a voltage range of 2.7V to 5.5V and is available in an 8-TSSOP package.
Total Stock: 226,050 pcs
$ Price Range: $0.30

AT93C66A Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
226,000 pcs
226000 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
50 pcs
50 pcs On Request 1 On Request On Request On Request On Request On Request

AT93C66A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Frequency
Interface
Memory Organization
Memory Size
Memory Type
Mounting Type
Operating Temperature
Supply Voltage
Technology
Write Cycle Time

AT93C66A Description

Short technical summary and product information.

The AT93C66A is a 4Kbit non-volatile EEPROM memory chip manufactured by Microchip Technology. It utilizes a standard 3-wire serial interface for communication, allowing for fast read and write access.

 

This EEPROM offers a memory organization of either 512 x 8 bits or 256 x 16 bits, providing flexibility for various data storage needs. It operates over a wide supply voltage range of 2.7V to 5.5V and functions reliably within an industrial temperature range of -40°C to 85°C.

 

The device is packaged in an 8-TSSOP (Thin Shrink Small Outline Package) suitable for surface mounting, making it ideal for space-constrained designs. The AT93C66A is designed for applications requiring robust data retention and endurance, such as industrial controls, metering, security systems, and general-purpose data storage.

 

Note: This part is obsolete and not recommended for new designs.

AT93C66A Quick Information

Product Type: EEPROM
Canonical Name: AT93C66A 4Kbit 3-Wire Serial EEPROM
Subcategory: Memory

AT93C66A Compliance

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

AT93C66A Estimated Pricing

Qty Low High
1+ $0.30 $0.30

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

AT93C66A Features

  • 4Kbit non-volatile EEPROM memory
  • 3-wire serial interface for communication
  • Wide supply voltage range of 2.7V to 5.5V
  • Surface mount 8-TSSOP package
  • Industrial operating temperature range

AT93C66A Applications

  • Used in industrial control systems
  • Suitable for metering applications
  • Employed in security systems
  • General purpose data storage needs

AT93C66A FAQs

5 frequently asked questions generated from this part’s specifications.
What is the memory size of the AT93C66A?

The AT93C66A has a memory size of 4Kbit.

What interface does the AT93C66A use?

The AT93C66A uses a 3-wire serial interface.

What is the operating voltage range for the AT93C66A?

The AT93C66A operates within a supply voltage range of 2.7V to 5.5V.

What is the operating temperature range of the AT93C66A?

The AT93C66A operates from -40°C to 85°C.

What package type is the AT93C66A available in?

The AT93C66A is available in an 8-TSSOP package.

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