AT25DQ161-SSH-B

Product Overview

Category

AT25DQ161-SSH-B belongs to the category of Serial NOR Flash Memory.

Use

This product is primarily used for storing and retrieving data in electronic devices such as microcontrollers, digital cameras, and automotive systems.

Characteristics

• High-speed data transfer
• Non-volatile memory
• Low power consumption
• Wide operating voltage range
• Durable and reliable

Package

AT25DQ161-SSH-B is available in a small form factor package, making it suitable for space-constrained applications. The package type is SOP (Small Outline Package).

Essence

The essence of AT25DQ161-SSH-B lies in its ability to provide fast and reliable data storage in various electronic devices, enhancing their overall performance and functionality.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of AT25DQ161-SSH-B chips. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Size: 16 Megabits (2 Megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 1.65V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Erase/Program Time: 35ms (typical)
• Data Retention: 20 years (typical)

Detailed Pin Configuration

The AT25DQ161-SSH-B has a total of 8 pins, which are assigned specific functions:

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 host device.
4. Serial Data Output (SO) - Transmits data to the host device.
5. Write Protect (/WP) - Controls write protection of the memory array.
6. Hold (/HOLD) - Suspends ongoing operations without resetting the device.
7. VCC - Power supply voltage input.
8. Ground (GND) - Common ground reference.

Functional Features

• High-speed read and write operations
• Sector erase and program capability
• Software and hardware write protection options
• Continuous read mode for efficient data transfer
• Deep power-down mode for ultra-low power consumption
• Flexible architecture supporting multiple devices in a daisy-chain configuration

Advantages and Disadvantages

Advantages

• Fast data transfer speeds enhance overall system performance.
• Low power consumption prolongs battery life in portable devices.
• Wide operating voltage range allows compatibility with various systems.
• Durable and reliable, ensuring data integrity over extended periods.
• Flexible architecture enables easy integration into existing designs.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively higher cost per unit compared to alternative memory solutions.
• Requires additional circuitry for proper interfacing with the host device.

Working Principles

AT25DQ161-SSH-B utilizes the Serial Peripheral Interface (SPI) protocol for communication with the host device. It stores data in non-volatile memory cells that can be electrically erased and reprogrammed. The device operates by sending commands and data through the SPI interface, allowing for high-speed read and write operations.

Detailed Application Field Plans

AT25DQ161-SSH-B finds applications in various fields, including but not limited to:

1. Microcontrollers: Used for firmware storage and code execution in embedded systems.
2. Automotive Systems: Enables data storage for infotainment systems, instrument clusters, and engine control units.
3. Industrial Automation: Provides non-volatile memory for programmable logic controllers (PLCs) and human-machine interfaces (HMIs).
4. Consumer Electronics: Used in digital cameras, set-top boxes, and gaming consoles for data storage and firmware updates.

Detailed and Complete Alternative Models

1. AT25SF041-SSHD-T: 4 Megabit Serial NOR Flash Memory with similar features and package type.
2. MX25L12835FZNI-10G: 128 Megabit Serial NOR Flash Memory with higher storage capacity.
3. S25FL512SAGMFI011: 512 Megabit Serial NOR Flash Memory with extended temperature range.

These alternative models offer different storage capacities, operating characteristics, and package options to suit specific application requirements.

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