93AA66AT-I/OT The Microchip Technology 93AA66AT-I/OT is a 4Kbit serial EEPROM with a Microwire interface. It operates from 1.8V to 5.5V and is housed in a SOT-23-6 package.
Mfr Part #:

93AA66AT-I/OT

Available from 2 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology 93AA66AT-I/OT is a 4Kbit serial EEPROM with a Microwire interface. It operates from 1.8V to 5.5V and is housed in a SOT-23-6 package.
✓ Total Stock: 19,621 pcs
$ Price Range: $1.24

93AA66AT-I/OT Available from 2 distributors

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
19,581 pcs
19581 pcs On Request 1 On Request On Request 2020+ On Request On Request
Non-Authorised Inventory information
40 pcs
40 pcs On Request 1 On Request On Request On Request On Request On Request

93AA66AT-I/OT Specifications Quick View

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

93AA66AT-I/OT Description

Short technical summary and product information.

The Microchip Technology 93AA66AT-I/OT is a 4Kbit Electrically Erasable Programmable Read-Only Memory (EEPROM) device designed for low-power, nonvolatile memory applications. It utilizes advanced CMOS technology and features an industry-standard 3-wire serial I/O interface, specifically the Microwire protocol.

 

This EEPROM offers a memory organization of 512 x 8 bits and operates over a wide supply voltage range of 1.8V to 5.5V. The device supports a maximum clock frequency of 2 MHz and has an access time of 250 ns. It is rated for an operating temperature range of -40°C to 85°C.

 

The 93AA66AT-I/OT is supplied in a compact SOT-23-6 surface-mount package, making it suitable for space-constrained designs. It features self-timed erase/write cycles with automatic erase all before write all functionality, along with power-on/off data protection circuitry. Data retention is rated at over 200 years, and it can withstand 1,000,000 erase/write cycles.

93AA66AT-I/OT Quick Information

Product Type: EEPROM
Canonical Name: 93AA66AT-I/OT 4Kbit Microwire EEPROM
Subcategory: Memory

93AA66AT-I/OT Compliance

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

93AA66AT-I/OT Estimated Pricing

Qty Low High
1+ $1.24 $1.24

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

93AA66AT-I/OT Features

  • 4Kbit serial EEPROM with Microwire interface.
  • Operates from 1.8V to 5.5V supply voltage.
  • Compact SOT-23-6 surface-mount package.
  • Wide operating temperature range of -40°C to 85°C.
  • Data retention exceeds 200 years.

93AA66AT-I/OT Applications

  • Ideal for low-power embedded systems.
  • Suitable for configuration data storage.
  • Used in various industrial applications.
  • Compact solution for space-limited designs.

93AA66AT-I/OT FAQs

7 frequently asked questions generated from this part’s specifications.
What is the memory size of the 93AA66AT-I/OT?

The memory size is 4 Kbit, organized as 512 x 8.

What is the operating voltage range?

The operating voltage range is 1.8 V to 5.5 V.

What is the operating temperature range?

The operating temperature range is -40°C to 85°C.

What package is the 93AA66AT-I/OT available in?

It is available in a SOT-23-6 surface-mount package.

What is the clock frequency?

The clock frequency is 2 MHz.

What is the write cycle time?

The write cycle time is 6 ms maximum.

What is the data retention specification?

Data retention is greater than 200 years.

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