Microchip, 4 kB EEPROM, 250 ns 8-Pin SOIC SPI

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Subtotal 50 units (supplied in a tube)*

$29.65

(exc. GST)

$34.10

(inc. GST)

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  • 675 unit(s) shipping from 15 December 2025
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50 - 50$0.593
75 +$0.581

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Packaging Options:
RS Stock No.:
236-8799P
Mfr. Part No.:
93C66A-I/SN
Brand:
Microchip
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Brand

Microchip

Product Type

EEPROM

Memory Size

4kB

Interface Type

SPI

Package Type

SOIC

Mount Type

Surface

Pin Count

8

Organisation

512 x 8 bit

Minimum Supply Voltage

4.5V

Maximum Supply Voltage

5.5V

Number of Bits per Word

8

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

85°C

Standards/Approvals

RoHS

Height

1.5mm

Series

93C66A

Width

3.9 mm

Length

4.9mm

Data Retention

200year

Maximum Random Access Time

250ns

Number of Words

512

Automotive Standard

No

The Microchip 4 Kb microwire serial EEPROM with dedicated 8 bit memory organization and a voltage operation range of 4.5 - 5.5 V. It is optimized for use in consumer, industrial, and automotive applications where reliable and dependable non-volatile memory storage is essential. The device is available in SOIC package.

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