25LC160-I/P

Product Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Serial EEPROM Memory

Characteristics: - Low-power consumption - High-speed performance - Small form factor - Reliable data retention - Easy to integrate into electronic systems

Package: DIP (Dual In-line Package)

Essence: The 25LC160-I/P is a non-volatile memory chip that provides reliable and high-performance storage for electronic devices.

Packaging/Quantity: The 25LC160-I/P is typically sold in reels or tubes, with a quantity of 100 units per package.

Specifications

• Memory Size: 16 kilobits (2 kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.5V - 5.5V
• Maximum Clock Frequency: 10 MHz
• Write Endurance: 1,000,000 cycles
• Data Retention: 200 years
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 25LC160-I/P has a total of 8 pins, each serving a specific function:

1. Chip Select (CS): Enables communication with the device when pulled low.
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 write protection when connected to VCC.
6. VCC: Power supply voltage input.
7. Ground (GND): Common ground reference.
8. Hold (HOLD): Suspends serial communication when pulled low.

Functional Features

• Byte-level Read and Write Operations: Allows individual byte read and write operations for flexible data management.
• Sequential Read: Supports sequential read operations, enabling efficient retrieval of consecutive memory locations.
• Software Protection: Provides software write protection to prevent accidental modification of stored data.
• Hardware Write Protection: Allows hardware-based write protection using the WP pin.
• Self-timed Programming Cycle: Automatically manages programming and erase cycles, simplifying system integration.

Advantages and Disadvantages

Advantages: - Low power consumption makes it suitable for battery-powered devices. - High-speed performance enables quick data access and transfer. - Small form factor saves space in electronic designs. - Reliable data retention ensures long-term storage integrity. - Easy integration into electronic systems due to its standard SPI interface.

Disadvantages: - Limited storage capacity compared to larger EEPROM chips. - Lack of built-in security features for data protection.

Working Principles

The 25LC160-I/P utilizes EEPROM (Electrically Erasable Programmable Read-Only Memory) technology. It stores data by electrically charging or discharging specific memory cells within the chip. The stored data remains intact even when the power is turned off, making it non-volatile.

To read data, the microcontroller sends a command along with the desired memory address to the chip. The chip then retrieves the requested data and transmits it back to the microcontroller. Writing data follows a similar process, where the microcontroller sends the data and address to be written, and the chip stores it in the specified memory location.

Detailed Application Field Plans

The 25LC160-I/P finds applications in various electronic systems, including but not limited to: - Consumer electronics - Industrial automation - Automotive electronics - Medical devices - Communication equipment

It can be used for storing configuration settings, calibration data, user preferences, encryption keys, and other non-volatile information required by these systems.

Detailed and Complete Alternative Models

Some alternative models to the 25LC160-I/P include: - 25LC320: Offers double the memory capacity (32 kilobits) compared to the 25LC160-I/P. - 25AA1024: Provides larger storage capacity (1 megabit) with a similar interface and package.

These alternative models offer increased memory size, which may be suitable for applications requiring more storage space.

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