93LC66AXTISTG datasheet, PDF - EEWORLD Datasheet

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93LC66AXTISTG: Description4K Microwire Compatible Serial EEPROM; File Size273KB，24 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com

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93LC66AXTISTG Overview

4K Microwire Compatible Serial EEPROM

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93AA66A/B/C, 93LC66A/B/C,

93C66A/B/C

4K Microwire Compatible Serial EEPROM

Device Selection Table

Part Number

93AA66A

93AA66B

93LC66A

93LC66B

93C66A

93C66B

93AA66C

93LC66C

93C66C

Range

1.8-5.5

1.8-5-5

2.5-5.5

4.5-5.5

1.8-5.5

2.5-5.5

4.5-5.5

ORG Pin

Yes

Word Size

8-bit

16-bit

8-bit

16-bit

8-bit

16-bit

8 or 16-bit

Temp Ranges

I, E

Packages

P, SN, ST, MS, OT

P, SN, ST, MS

Features

•

Low-power CMOS technology

ORG pin to select word size for ‘66C version

512 x 8-bit organization ‘A’ ver. devices (no ORG)

256 x 16-bit organization ‘B’ ver. devices (no

ORG)

Self-timed ERASE/WRITE cycles (including

auto-erase)

Automatic ERAL before WRAL

Power on/off data protection circuitry

Industry standard 3-wire serial I/O

Device Status signal (READY/BUSY)

Sequential READ function

1,000,000 E/W cycles

Data retention > 200 years

Temperature ranges supported:

- Industrial (I)

- Automotive (E)

-40°C to +85°C

-40°C to +125°C

Description

The Microchip Technology Inc. 93XX66A/B/C devices

are 4K bit low voltage serial Electrically Erasable

PROMs (EEPROM). Word-selectable devices such as

the 93AA66C, 93LC66C or 93C66C are dependent

upon external logic levels driving the ORG pin to set

word size. For dedicated 8-bit communication, the

93AA66A, 93LC66A or 93C66A devices are available,

while the 93AA66B, 93LC66B and 93C66B devices

provide dedicated 16-bit communication. Advanced

CMOS technology makes these devices ideal for low

power, non-volatile memory applications. The entire

93XX Series is available in standard packages includ-

ing 8-lead PDIP and SOIC, and advanced packaging

including 8-lead MSOP, 6-lead SOT-23, and 8-lead

TSSOP. Pb-free (Pure Matte Sn) finish is also

available.

Package Types (not to scale)

ROTATED SOIC

(ex: 93LC66BX)

ORG*

CLK

PDIP/SOIC

(P, SN)

SOT-23

(OT)

ORG*

Pin Function Table

Name

CLK

ORG

Chip Select

Serial Data Clock

Serial Data Input

Serial Data Output

Ground

No internal connection

Memory Configuration

Power Supply

CLK

Function

CLK

ORG*

TSSOP/MSOP

(ST, MS)

CLK

* ORG pin is NC on A/B devices



2003 Microchip Technology Inc.

DS21795B-page 1

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