FT93C66A-ISR-B

Product Overview

Category

FT93C66A-ISR-B belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product is commonly used for storing and retrieving digital information in various electronic devices.

Characteristics

• Non-volatile memory: The data stored in FT93C66A-ISR-B is retained even when power is removed.
• High storage capacity: This chip has a storage capacity of 4 kilobits (512 bytes).
• Serial interface: It utilizes a serial communication protocol for data transfer.
• Low power consumption: FT93C66A-ISR-B operates at low power, making it suitable for battery-powered devices.

Package

FT93C66A-ISR-B is available in an industry-standard 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of FT93C66A-ISR-B lies in its ability to provide reliable and non-volatile storage for digital data in a compact form factor.

Packaging/Quantity

This product is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Memory capacity: 4 kilobits (512 bytes)
• Supply voltage: 2.5V - 5.5V
• Operating temperature range: -40°C to +85°C
• Interface: Serial I2C (Inter-Integrated Circuit)
• Write cycle endurance: 1 million cycles
• Data retention: 200 years

Detailed Pin Configuration

FT93C66A-ISR-B follows the standard 8-pin SOIC pin configuration:

1. Chip Select (/CS): Enables communication with the chip.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SDI): Transfers data from the microcontroller to the chip.
4. Serial Data Output (SDO): Transfers data from the chip to the microcontroller.
5. Write Protect (/WP): Protects the memory from accidental writes.
6. VCC: Power supply voltage.
7. Ground (GND): Common ground reference.
8. Serial Output Enable (/OE): Enables the output of data during read operations.

Functional Features

• Byte-level Read/Write: FT93C66A-ISR-B allows individual bytes to be written or read, providing flexibility in data manipulation.
• Sequential Read: It supports sequential read operations, allowing for efficient retrieval of consecutive data.
• Software Protection: The write protect pin (/WP) can be used to prevent accidental modification of stored data.
• Hardware Write Protection: The chip also features a permanent write protection mechanism that can be enabled through specific commands.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even in the absence of power.
• Compact form factor and low power consumption make it suitable for various electronic devices.
• High endurance and long data retention period ensure reliable performance over an extended lifespan.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Slower write speeds compared to volatile memory types.
• Requires a serial interface, which may add complexity to the system design.

Working Principles

FT93C66A-ISR-B utilizes EEPROM technology, which allows for electrically erasing and reprogramming of data. It stores information in a grid of memory cells, with each cell representing a bit of data. The state of each cell is determined by the presence or absence of an electrical charge.

During write operations, the desired data is sent serially to the chip and stored in the appropriate memory cells. Reading data involves retrieving the stored information from the memory cells and transmitting it back to the microcontroller.

Detailed Application Field Plans

FT93C66A-ISR-B finds applications in various electronic devices, including but not limited to: - Automotive electronics: Used for storing vehicle configuration data, mileage information, and other settings. - Consumer electronics: Found in devices like smart TVs, set-top boxes, and audio equipment for storing user preferences and firmware updates. - Industrial control systems: Utilized for storing calibration data, device configurations, and system parameters. - Medical devices: Used for storing patient data, device settings, and firmware updates.

Detailed and Complete Alternative Models

Some alternative models to FT93C66A-ISR-B that offer similar functionality include: - AT24C04 from Atmel - CAT24C02 from ON Semiconductor - M24C08 from STMicroelectronics - 25AA040A from Microchip Technology

These alternatives provide comparable storage capacities and interface compatibility, allowing users to choose the most suitable option for their specific requirements.

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