AT93C86A-10TI-1.8

Overview

Product Category

AT93C86A-10TI-1.8 belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product is commonly used for non-volatile storage in various electronic devices, such as microcontrollers, automotive systems, and consumer electronics.

Characteristics

• Electrically erasable: The AT93C86A-10TI-1.8 can be erased and reprogrammed electronically, making it convenient for data storage.
• Non-volatile: The stored data remains intact even when power is removed.
• High density: This chip offers a large storage capacity of 8 kilobits (1024 bytes).
• Low power consumption: The AT93C86A-10TI-1.8 operates efficiently with low power requirements.
• Wide operating voltage range: It can function within a voltage range of 1.8V to 5.5V.

Package and Quantity

The AT93C86A-10TI-1.8 is available in a small surface-mount package, typically a Thin Small Outline Package (TSOP). It is commonly sold in reels containing multiple units.

Specifications

• Memory Capacity: 8 kilobits (1024 bytes)
• Operating Voltage Range: 1.8V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: Serial Peripheral Interface (SPI)
• Write Time: 5ms (typical)
• Data Retention: 100 years (minimum)

Pin Configuration

The AT93C86A-10TI-1.8 has a total of 8 pins, which are assigned specific functions:

1. Chip Select (/CS): Enables or disables the chip for communication.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Receives data from the microcontroller.
4. Serial Data Output (SO): Transmits data to the microcontroller.
5. Write Protect (/WP): Allows or prevents write operations.
6. VCC: Power supply voltage input.
7. Ground (GND): Common ground reference.
8. Hold (/HOLD): Pauses ongoing operations temporarily.

Functional Features

• Sequential Read and Write Operations: The AT93C86A-10TI-1.8 supports sequential read and write operations, allowing efficient data handling.
• Software Protection: The chip provides a write protection feature that can be enabled through the /WP pin, preventing accidental modification of stored data.
• High-Speed Performance: With a maximum clock frequency of 10 MHz, this EEPROM chip offers fast data transfer rates.
• Self-Timed Programming Cycle: The programming cycle is internally controlled, eliminating the need for external timing signals.

Advantages and Disadvantages

Advantages

• Electrically erasable and reprogrammable.
• Non-volatile storage ensures data integrity.
• Compact package size suitable for space-constrained applications.
• Wide operating voltage range allows compatibility with various systems.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower write times compared to some alternatives.
• Susceptible to radiation-induced errors in high-radiation environments.

Working Principles

The AT93C86A-10TI-1.8 utilizes an electrically erasable floating-gate transistor structure to store data. It employs a serial interface, following the SPI protocol, for communication with the microcontroller. The chip's internal circuitry enables the reading, writing, and erasing of data by controlling the electrical charge on the floating gate.

Application Field Plans

The AT93C86A-10TI-1.8 finds applications in various fields, including: - Microcontroller-based systems requiring non-volatile storage. - Automotive electronics for storing configuration data and calibration parameters. - Consumer electronics, such as smart appliances and wearable devices, for data storage and firmware updates.

Alternative Models

Several alternative models with similar functionality to the AT93C86A-10TI-1.8 include: - AT93C66A-10TI-2.7: A lower capacity variant with 4 kilobits of memory. - AT93C46A-10TU-1.8: A smaller package variant with 128 bytes of memory. - AT93C256A-10PU-2.7: A higher capacity variant with 32 kilobits of memory.

These alternatives provide options based on specific requirements, such as memory capacity and package size.

In conclusion, the AT93C86A-10TI-1.8 is an electrically erasable programmable read-only memory (EEPROM) chip widely used for non