Product
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93AA66B
  • 93AA66B
  • 93AA66B
  • 93AA66B
  • 93AA66B
  • 93AA66B
  • 93AA66B

93AA66B

In Production

The Microchip 93AA66B device is a 4Kb Microwire (3-wire) Serial EEPROM with dedicated 16-bit memory organization and a voltage operation range of 1.8 - 5.5V.  Also available are the 93AA66A for dedicated 8-bit memory organization and the 93AA66C for hardware selectable word size using the ORG pin. The 93AA66B 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....

Microchip Technology 93AA66B Product Info

16 April 2026 0

Parameters

Battery Backup

No

Density

4 Kbit (x16)

Endurance

1,000,000

Max. Clock Freq.

2 MHz

Operating Voltage Max (V)

5.5

Operating Voltage Min (V)

1.8

Page Size (Bytes)

16

Write Protect Scheme

None

Write Protected

Yes

Data Retention

0

Features

  • 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
  • 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

Description

The Microchip 93AA66B device is a 4Kb Microwire (3-wire) Serial EEPROM with dedicated 16-bit memory organization and a voltage operation range of 1.8 - 5.5V.  Also available are the 93AA66A for dedicated 8-bit memory organization and the 93AA66C for hardware selectable word size using the ORG pin. The 93AA66B 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.

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