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Name: AT93C66B-SSHM-T
Brand: Microchip Technology
SKU: AT93C66B-SSHM-T
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Microchip Technology AT93C66B-SSHM-T

Part No.:: AT93C66B-SSHM-T

Manufacturer:: Microchip Technology

Package:: 8-SOIC (0.154, 3.90mm Width)

Datasheet:: AT93C66B-SSHM-T.pdf

Description:: IC EEPROM 4KBIT SPI 2MHZ 8SOIC

In Stock:: 3801

Quantity:: Add To Cart

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AT93C66B-SSHM-T Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
MemoryType:
Non-Volatile
MemoryFormat:
EEPROM
Technology:
EEPROM
MemorySize:
4Kb (512 x 8, 256 x 16)
MemoryInterface:
SPI
ClockFrequency:
2 MHz
WriteCycleTime-WordPage:
5ms
AccessTime:
-
Voltage-Supply:
1.7V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C (TA)
MountingType:
Surface Mount

AT93C66B-SSHM-T this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including AT93C66B-SSHM-T price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for AT93C66B-SSHM-T to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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AT93C66B-SSHM-T information

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AT93C66B-SSHM-T Typical application Circuitry

AT93C66B-SSHM-T

The AT93C66B-SSHM-T is an EEPROM (Electrically Erasable Programmable Read-Only Memory) chip, specifically designed for data storage where small amounts of data must be preserved even when the power is off. This chip is typically used in applications such as device configuration, identification storage, and keeping calibration data, where its serial interface, low power consumption, and compact size are advantageous.

Key Features of AT93C66B-SSHM-T:

1. EEPROM Storage: Offers 4-Kbit of memory storage.

2. Serial Interface: Equipped with a serial communication interface for data transmission.

3. Low Power Consumption: Ideal for battery-operated or energy-efficient applications.

4. Compact Package: Suitable for space-limited applications.

Application Scenario: Calibration Data Storage in Measurement Instruments

In measurement instruments like digital multimeters or environmental sensors, the AT93C66B-SSHM-T can be used to store calibration data that must be retained over time and power cycles.

Detailed Circuit Design for Calibration Data Storage:

1. Power Supply Connection: Attach the VCC pin to a stable power source, typically in the range of 2.7V to 5.5V.

2. Ground Link: Connect the GND pin to the system's ground.

3. Serial Data Input/Output (IO): The IO pin should be connected to a serial data line on the microcontroller.

4. Serial Clock (SK): Attach the SK pin to a clock output from the microcontroller to synchronize data transmission.

5. Chip Select (CS): Connect the CS pin to a digital output on the microcontroller to enable or disable the EEPROM.

6. Write Protection (WP): Link the WP pin to a digital output on the microcontroller to control the write protect status.

7. Hold (HOLD): This pin can be connected to VCC if the hold function is not required.

8. Decoupling Capacitor: Place a decoupling capacitor (e.g., 0.1 µF) between VCC and GND close to the EEPROM to ensure power stability.

Design Considerations of AT93C66B-SSHM-T:

- Stable Power Supply: Ensure that the power supply to the EEPROM is stable and within the specified voltage range to prevent data corruption.

- Signal Integrity: Maintain clean signal lines for the serial interface to ensure reliable data communication.

- Electromagnetic Interference (EMI): Implement appropriate EMI protection if the instrument operates in electrically noisy environments.

- Data Security: Consider implementing data protection mechanisms to safeguard the stored calibration data against unintended modifications.

Incorporating the AT93C66B-SSHM-T into a measurement instrument for calibration data storage requires careful attention to the chip's interfacing requirements, ensuring signal integrity, and maintaining a stable power supply. This ensures that the calibration data is reliably stored and retrieved as needed for accurate instrument performance.

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6. What is the process for return or replacement of AT93C66B-SSHM-T?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the AT93C66B-SSHM-T we delivered, we will accept the replacement or return of the AT93C66B-SSHM-T only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of AT93C66B-SSHM-T.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations