AT93C46-10PC-2.7

Product Overview

Category

AT93C46-10PC-2.7 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, computers, and consumer electronics.

Characteristics

• Electrically erasable: The AT93C46-10PC-2.7 can be erased and reprogrammed electronically, making it convenient for data storage.
• Non-volatile: The stored data remains intact even when power is removed.
• Small form factor: This chip comes in a compact package, allowing for space-efficient integration into electronic devices.
• Low power consumption: The AT93C46-10PC-2.7 operates on low power, making it suitable for battery-powered applications.

Package and Quantity

The AT93C46-10PC-2.7 is available in a 8-pin DIP (Dual Inline Package) format. It is typically sold in reels or tubes containing multiple units.

Specifications

• Operating voltage: 2.7V to 5.5V
• Memory capacity: 1 kilobit (128 bytes)
• Organization: 64 words × 16 bits or 128 bytes
• Data retention: Up to 100 years
• Write endurance: 1 million write cycles
• Interface: SPI (Serial Peripheral Interface)

Pin Configuration

The AT93C46-10PC-2.7 has the following pin configuration:

┌───┬───┐ │1 └─ 8│ │ │ │2 7│ │ │ │3 6│ │ │ │4 5│ └───┬───┘

1. Chip Select (CS)
2. Serial Clock (SCK)
3. Serial Data Input (SI)
4. Ground (GND)
5. Serial Data Output (SO)
6. Write Enable (WE)
7. VCC (Power Supply)
8. Not Connected (NC)

Functional Features

• Byte-level Read/Write: The AT93C46-10PC-2.7 allows individual bytes to be read from or written to the memory.
• Sequential Read: It supports sequential reading of multiple bytes, enabling efficient data retrieval.
• Hardware Write Protection: The chip provides a write enable pin (WE) for hardware-based protection against accidental writes.

Advantages and Disadvantages

Advantages

• Compact size and low power consumption make it suitable for portable devices.
• High data retention and endurance ensure reliable long-term storage.
• Easy integration with microcontrollers and other electronic systems.

Disadvantages

• Limited memory capacity compared to larger EEPROM chips.
• Slower write speed compared to some other non-volatile memory technologies.

Working Principles

The AT93C46-10PC-2.7 utilizes an electrically controlled floating gate to store and retrieve data. When writing, a voltage is applied to the gate, allowing electrons to tunnel through the insulating layer and modify the charge on the floating gate. Reading involves sensing the charge level on the floating gate to determine the stored data.

Application Field Plans

The AT93C46-10PC-2.7 finds applications in various fields, including: - Automotive electronics: Used for storing vehicle configuration data, mileage, and other settings. - Industrial control systems: Provides non-volatile storage for calibration data, device parameters, and firmware updates. - Consumer electronics: Enables data storage in devices like smart TVs, set-top boxes, and audio equipment.

Alternative Models

• AT93C46-10PI-2.7: Similar to the AT93C46-10PC-2.7 but in a 8-pin PDIP (Plastic Dual Inline Package) format.
• AT93C46D-SSHM-T: A smaller surface-mount package variant with similar specifications.

In conclusion, the AT93C46-10PC-2.7 is an electrically erasable programmable read-only memory chip that offers non-volatile storage, compact size, and low power consumption. It finds applications in various electronic devices and provides reliable data storage capabilities.

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