93LC66B-I/SN

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93LC66B-I/SN

IC EEPROM 4KBIT SPI 2MHZ 8SOIC

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Spécifications

Package Tube
ProductStatus Active
MemoryType Non-Volatile
MemoryFormat EEPROM
Technology EEPROM
MemorySize 4Kb (256 x 16)
MemoryInterface SPI
ClockFrequency 2 MHz
WriteCycleTime-WordPage 6ms
Voltage-Supply 2.5V ~ 5.5V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Vue d'ensemble

Description

The 93LC66B-I/SN is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chip from Microchip Technology. It provides non-volatile storage for data, meaning that it retains information even when power is removed. This particular model features a 64-bit memory architecture, organized as 8 words of 8 bits each, and utilizes a 3-wire interface (Serial Data Input, Serial Data Output, and Serial Clock) for communication, making it suitable for applications requiring minimal pin count.
The device operates with a supply voltage range of 2.5V to 5.5V and supports various data rates, allowing for flexible integration into many electronic designs. It is commonly used in consumer electronics, automotive applications, and industrial systems for tasks such as configuration storage and data logging. The 93LC66B-I/SN integrates features like a write protection mechanism and a low power consumption mode, enhancing its utility in battery-operated devices. Overall, it is a reliable choice for applications needing moderate data storage capacity with easy, efficient access.

Features

The 93LC66B-I/SN is a 2-wire serial EEPROM (Electrically Erasable Programmable Read-Only Memory) designed for low-power applications. Key features include:
1. Memory Organization: 1 Kbit (128 x 8 bits) storage capacity.
2. Interface: Utilizes a simple I2C-compatible 2-wire interface, allowing for easy communication with microcontrollers.
3. Operating Voltage: Typically operates between 1.8V to 5.5V, making it suitable for battery-powered devices.
4. Data Retention: Guarantees data retention for at least 100 years.
5. Write Endurance: Supports a minimum of 1 million write/erase cycles per memory cell.
6. Low Power Consumption: Features low active and standby current, enhancing efficiency in portable applications.
7. Chip Select Functionality: Allows interfacing with multiple devices on the same bus.
8. Page Write Capability: Supports page write operations, allowing for faster data writing.
These features make the 93LC66B-I/SN ideal for applications like configuration storage, data logging, and calibration data retention.

Package

The 93LC66B-I/SN is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) format. This surface-mount package is designed for efficient space utilization on printed circuit boards.

Pinout

The 93LC66B-I/SN is a 8-pin Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) device. Its pin configuration and functions are as follows:
1. CS (Chip Select) - Active low input to enable the device.
2. DI (Data Input) - Serial data input for programming.
3. DO (Data Output) - Serial data output for reading.
4. CLK (Clock) - Serial clock input for synchronizing data transfer.
5. VCC - Power supply pin (typically +2.7V to +5.5V).
6. GND - Ground reference.
7. WP (Write Protect) - Active low input to protect EEPROM data from being written.
8. N.C. (Not Connected) - No internal connection; can be left unconnected.
The 93LC66B-I/SN is commonly used for applications requiring non-volatile storage, such as configuration settings and small data storage.

Manufacturer

The manufacturer of the 93LC66B-I/SN is Microchip Technology Inc. Microchip is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. Founded in 1989, the company specializes in developing embedded control products for various applications, including automotive, industrial, consumer, and communications. Microchip is known for its innovative products and technologies, including EEPROM memory devices like the 93LC66B-I/SN, which is a 1K-bit electrically erasable programmable read-only memory (EEPROM) device. The company is headquartered in Chandler, Arizona, and serves a global market, focusing on providing customers with cost-effective and reliable solutions for their design needs.

Application

The 93LC66B-I/SN is a serial EEPROM used in various application areas, including consumer electronics, automotive systems, telecommunications, and industrial automation. It is commonly used for data storage in configuration settings, calibration data, and firmware updates. Its low power consumption and small form factor make it suitable for portable devices, smart cards, and wearable technology. Additionally, it is employed in secure key storage and digital currency applications due to its reliability and non-volatile memory capabilities.

Equivalent

The 93LC66B-I/SN is a 2-wire serial EEPROM with a 128-bit memory capacity. Equivalent products include the AT25010, M24C02, and 93C56. These chips share similar functionalities and communication protocols but may differ in memory size and pin configurations. Always check the specific datasheets for compatibility in your application.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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