AT25DQ161-SH-B

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data storage and retrieval
• Characteristics: High-speed, low-power, non-volatile memory
• Package: SOP (Small Outline Package)
• Essence: Serial Flash Memory
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Memory Size: 16 Megabits (2 Megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 1.7V to 3.6V
• Operating Temperature: -40°C to +85°C
• Write Protection: Software and Hardware Write Protection
• Data Retention: 20 years
• Endurance: 100,000 write cycles

Detailed Pin Configuration

The AT25DQ161-SH-B has a total of 8 pins:

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input (SI)
4. Serial Data Output (SO)
5. Write Protect (/WP)
6. Hold (/HOLD)
7. VCC (Power Supply)
8. Ground (GND)

Functional Features

• High-Speed Read and Write Operations
• Low Power Consumption
• Flexible Sector and Block Erase Operations
• Software and Hardware Write Protection
• Deep Power-Down Mode for Ultra-Low Power Standby
• Fast Program/Erase Times

Advantages

• High-speed data transfer rate
• Low power consumption extends battery life
• Wide operating voltage range allows compatibility with various systems
• Reliable data retention for long periods
• Easy integration into existing designs due to standard SPI interface

Disadvantages

• Limited storage capacity compared to other memory options
• Relatively lower endurance compared to some alternatives
• Requires additional circuitry for write protection and hold functions

Working Principles

The AT25DQ161-SH-B is based on the Serial Peripheral Interface (SPI) protocol. It uses a combination of clock and data signals to communicate with the host microcontroller or system. The memory cells store data in a non-volatile manner, meaning the data remains even when power is removed. The SPI interface allows for high-speed read and write operations, making it suitable for applications that require fast data access.

Detailed Application Field Plans

The AT25DQ161-SH-B is commonly used in various electronic devices and systems, including:

1. Consumer Electronics: Smartphones, tablets, digital cameras
2. Automotive: Infotainment systems, instrument clusters
3. Industrial: Data loggers, control systems
4. Medical: Patient monitoring devices, diagnostic equipment
5. Communication: Routers, modems, network switches

Detailed and Complete Alternative Models

1. AT25SF041-SSHD-T: 4 Megabit SPI Flash Memory
2. MX25L12835FZNI-10G: 128 Megabit SPI NOR Flash Memory
3. S25FL512SAGMFI001: 512 Megabit SPI NOR Flash Memory
4. W25Q256JVSIQ: 256 Megabit SPI NAND Flash Memory
5. M25P64-VME6TG: 64 Megabit SPI NOR Flash Memory

These alternative models offer different storage capacities, performance characteristics, and package options, providing flexibility for various application requirements.

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