93LC66B-E/ST Allicdata Electronics
Allicdata Part #:

93LC66B-E/ST-ND

Manufacturer Part#:

93LC66B-E/ST

Price: $ 0.23
Product Category:

Integrated Circuits (ICs)

Manufacturer: Microchip Technology
Short Description: IC EEPROM 4K SPI 2MHZ 8TSSOP
More Detail: EEPROM Memory IC 4Kb (256 x 16) SPI 2MHz 8-TSSOP
DataSheet: 93LC66B-E/ST datasheet93LC66B-E/ST Datasheet/PDF
Quantity: 1000
1000 +: $ 0.21414
Stock 1000Can Ship Immediately
$ 0.23
Specifications
Series: --
Packaging: Tube 
Part Status: Active
Memory Type: Non-Volatile
Memory Format: EEPROM
Technology: EEPROM
Memory Size: 4Kb (256 x 16)
Clock Frequency: 2MHz
Write Cycle Time - Word, Page: 6ms
Memory Interface: SPI
Voltage - Supply: 2.5 V ~ 5.5 V
Operating Temperature: -40°C ~ 125°C (TA)
Mounting Type: Surface Mount
Package / Case: 8-TSSOP (0.173", 4.40mm Width)
Supplier Device Package: 8-TSSOP
Base Part Number: 93LC66B
Description

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93LC66B-E/ST Memory

The 93LC66B-E/ST is a memory device that is used for a variety of applications. It is a 6Kbit serial EEPROM memory device with a memory capacity of 8Kbits (1KByte). The device is suitable for a wide range of applications including automotive, industrial automation, point-of-sale systems, system control and memory organization / buffer storage.

This device is especially suitable for applications requiring low power consumption and low voltage operation. It is also suitable for applications where writing or erasing data takes place at a high frequency. The 93LC66B-E/ST has built-in error correction code (ECC) capability which helps ensure data authenticity even at high temperatures and in harsh environments.

The 93LC66B-E/ST is based on EEPROM technology and utilizes a serial peripheral interface (SPI). The SPI bus is used to access the data located in the device’s addressable memory. The device is organized as 8Kbits of programmable nonvolatile memory which can be written to and read from in byte, page and block mode formats. The device also includes a data protection feature which enables the user to write protect certain portions of the memory in order to prevent inadvertent or malicious data modification or deletion.

The 93LC66B-E/ST provides a high write/erase endurance of up to 100,000 cycles and data retention of up to 10 years. The device operates over a wide temperature range of -40°C to +85°C and over a wide supply voltage range of 2.35V to 5.5V. The device is packaged in a 6-pin SOT-23 package or a 6-pin SOIC package.

Working principle of the 93LC66B-E/ST

The 93LC66B-E/ST is based on EEPROM technology and works using a serial peripheral interface (SPI). It is organized as 8Kbits of programmable non-volatile memory which can be written to and read from in byte, page and block mode formats. The device includes an internal address counter which helps simplify programming and read operations.

The SPI is used to initiate communication with the device and also to control the direction of data transfer. The device can be accessed by sending an 8-bit write instruction (WREN), a 16-bit address (WRADDR) and an 8-bit data byte (WRDATA) to the device. The data byte can then be programmed into the memory. The device can then be read by sending an 8-bit read instruction (RDATA), a 16-bit address (RADDR) and then reading back the 8-bit data byte (RDATA).

The 93LC66B-E/ST also includes a data protection feature which enables the user to write protect certain portions of the memory to prevent inadvertent or malicious data modification or deletion. This feature is enabled by setting a certain bit in the control register. To protect an area of the memory, the user must set the corresponding protected byte bit in the protected byte register to 1. The protected bytes will remain protected until the protected byte bit is set back to 0.

The 93LC66B-E/ST device is an excellent choice for data storage applications requiring low power consumption, low voltage operation and high write/erase endurance, data protection and ECC capability. The device is suitable for a wide range of applications including automotive, industrial automation, point-of-sale systems, system control and memory organization/buffer storage.

The specific data is subject to PDF, and the above content is for reference

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