GD25LQ16CTIG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Memory
• Characteristics: High-speed, Low-power, Serial Flash Memory
• Package: SOP8 (Small Outline Package 8)
• Essence: Stores and retrieves digital information in electronic devices
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Memory Size: 16 Megabits (2 Megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Operating Temperature: -40°C to +85°C
• Data Retention: More than 20 years
• Programming Time: Less than 5ms per byte
• Erase Time: Less than 1.5s per sector

Detailed Pin Configuration

The GD25LQ16CTIG IC has a total of 8 pins arranged as follows:

┌───┬───┐ │ 1 │ 2 │ ├───┼───┤ │ 3 │ 4 │ ├───┼───┤ │ 5 │ 6 │ ├───┼───┤ │ 7 │ 8 │ └───┴───┘

1. Chip Select (/CS): Enables communication with the IC.
2. Serial Clock (SCLK): Provides timing for data transfer.
3. Serial Data Input (SI): Receives data from the external device.
4. Serial Data Output (SO): Transmits data to the external device.
5. Write Protect (/WP): Protects the memory from being written.
6. Hold (/HOLD): Suspends the current operation.
7. VCC: Power supply (2.7V - 3.6V).
8. Ground (GND): Common reference voltage.

Functional Features

• High-speed data transfer using SPI interface.
• Low power consumption for efficient operation.
• Non-volatile memory retains data even when power is disconnected.
• Sector-based erasure and byte-level programming for flexibility.
• Write protection feature prevents accidental modification of data.
• Hold function allows temporary suspension of operations.

Advantages and Disadvantages

Advantages: - Fast data transfer rate. - Low power consumption. - Compact package size. - Long data retention period. - Flexible erase and programming options.

Disadvantages: - Limited storage capacity compared to other memory types. - Requires external microcontroller or host device for operation. - Vulnerable to physical damage due to small size.

Working Principles

The GD25LQ16CTIG is a serial flash memory IC that uses the Serial Peripheral Interface (SPI) for communication with an external device, such as a microcontroller. It stores digital information in non-volatile memory cells, which retain data even when power is disconnected.

Data can be read from or written to the memory using the SPI interface. The chip select signal (/CS) enables communication, while the serial clock (SCLK) provides timing for data transfer. The serial data input (SI) receives data from the external device, and the serial data output (SO) transmits data back.

The memory is organized into sectors, allowing for sector-based erasure and byte-level programming. The write protect (/WP) pin can be used to prevent accidental modification of data. The hold (/HOLD) pin suspends the current operation without losing data.

Detailed Application Field Plans

The GD25LQ16CTIG IC finds applications in various electronic devices that require non-volatile memory storage. Some potential application fields include:

1. Consumer Electronics: Used in smart TVs, set-top boxes, and gaming consoles for firmware storage and software updates.
2. Automotive: Integrated into automotive infotainment systems, instrument clusters, and navigation systems for data storage and firmware updates.
3. Industrial Control: Utilized in industrial automation equipment, PLCs (Programmable Logic Controllers), and robotics for program storage and data logging.
4. Medical Devices: Incorporated into medical equipment, such as patient monitors and diagnostic devices, for storing configuration settings and data logs.
5. Networking: Employed in routers, switches, and network appliances for firmware storage and system configuration.

Detailed and Complete Alternative Models

1. GD25Q16CTIG: Similar to GD25LQ16CTIG but with quad I/O (QIO) support for faster data transfer.
2. W25Q16JVSSIQ: Comparable 16 Megabit SPI flash memory IC from Winbond Electronics.
3. MX25L1606EZNI-12G: Alternative 16 Megabit SPI flash