AT45D161-JC

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data storage and retrieval
• Characteristics: Non-volatile, Serial Interface, High Density
• Package: 32-pin JEDEC SOIC
• Essence: Flash Memory IC
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Memory Size: 16 Megabits (2 Megabytes)
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 2.7V to 3.6V
• Operating Temperature: -40°C to +85°C
• Read/Write Endurance: 100,000 cycles
• Data Retention: 20 years
• Page Size: 264 bytes
• Sector Size: 4 kilobytes
• Block Size: 64 kilobytes
• Write Protection: Software and Hardware options available

Pin Configuration

The AT45D161-JC has a total of 32 pins arranged as follows:

1. VCC
2. NC (No Connection)
3. SI (Serial Input)
4. SCK (Serial Clock)
5. SO (Serial Output)
6. WP (Write Protect)
7. HOLD
8. RESET#
9. NC
10. A17
11. A16
12. A15
13. A14
14. A13
15. A12
16. A11
17. A10
18. A9
19. A8
20. A7
21. A6
22. A5
23. A4
24. A3
25. A2
26. A1
27. A0
28. GND
29. NC
30. NC
31. NC
32. NC

Functional Features

• Non-volatile storage: Retains data even when power is disconnected
• Serial Interface: Allows easy integration with microcontrollers and other devices
• High Density: Offers 16 Megabits of storage in a compact package
• Fast Read/Write Speeds: Enables quick data access and transfer
• Write Protection: Protects stored data from accidental modification
• Low Power Consumption: Suitable for battery-powered applications
• Reliable Performance: Endurance of 100,000 write cycles and data retention of 20 years

Advantages and Disadvantages

Advantages: - High storage capacity - Compact form factor - Easy integration with microcontrollers - Fast data access and transfer - Long data retention period

Disadvantages: - Limited endurance (100,000 write cycles) - Requires external components for operation - Relatively high cost compared to lower-density alternatives

Working Principles

The AT45D161-JC utilizes flash memory technology to store and retrieve digital data. It employs a serial interface, specifically the Serial Peripheral Interface (SPI), for communication with external devices. The IC operates within a specified voltage range and temperature range.

Data can be written to the memory using the SPI interface, and subsequently read back as needed. The IC supports various operations such as sector erase, block erase, and chip erase, allowing for flexible data management. Write protection options are available to prevent accidental modification of stored data.

Application Field Plans

The AT45D161-JC is commonly used in a wide range of applications that require non-volatile data storage. Some potential application fields include:

1. Embedded Systems: Used in microcontroller-based systems for storing program code, configuration data, and log files.
2. Consumer Electronics: Integrated into devices like digital cameras, MP3 players, and set-top boxes for data storage purposes.
3. Industrial Automation: Employed in industrial control systems to store critical parameters, event logs, and firmware updates.
4. Automotive Electronics: Utilized in automotive applications such as infotainment systems, instrument clusters, and engine management units.
5. Medical Devices: Incorporated into medical equipment for storing patient data, device settings, and diagnostic information.

Alternative Models

• AT45D081-JC: 8 Megabit (1 Megabyte) capacity
• AT45D321-JC: 32 Megabit (4 Megabyte) capacity
• AT45DB161E-JC: Enhanced version with additional features

These alternative models offer different memory capacities and may have varying specifications or pin configurations. It is important to select the appropriate model based on specific application requirements.

Word count: 550 words