JS28F064M29EWHA

Product Overview

• Category: Flash Memory
• Use: Data storage and retrieval in electronic devices
• Characteristics:
  • Non-volatile memory
  • High-speed read and write operations
  • Large storage capacity
• Package: Integrated Circuit (IC)
• Essence: Stores digital information in a compact and durable format
• Packaging/Quantity: Typically sold in reels or trays containing multiple units

Specifications

• Memory Capacity: 64 Megabits (8 Megabytes)
• Interface: Parallel
• Supply Voltage: 2.7V to 3.6V
• Operating Temperature: -40°C to +85°C
• Data Retention: Up to 20 years
• Endurance: Up to 100,000 program/erase cycles

Pin Configuration

The JS28F064M29EWHA has a total of 48 pins arranged as follows:

1. VCC
2. A0
3. A1
4. A2
5. A3
6. A4
7. A5
8. A6
9. A7
10. A8
11. A9
12. A10
13. A11
14. A12
15. A13
16. A14
17. A15
18. A16
19. A17
20. A18
21. A19
22. A20
23. A21
24. A22
25. A23
26. A24
27. A25
28. A26
29. A27
30. A28
31. A29
32. A30
33. A31
34. BYTE#
35. WE#
36. CE#
37. RE#
38. WP#
39. RY/BY#
40. VSS
41. DQ0
42. DQ1
43. DQ2
44. DQ3
45. DQ4
46. DQ5
47. DQ6
48. DQ7

Functional Features

• High-speed read and write operations for efficient data access
• Built-in error correction mechanisms to ensure data integrity
• Support for various programming algorithms and erase block sizes
• Low power consumption for extended battery life in portable devices
• Compatibility with standard parallel interfaces for easy integration

Advantages and Disadvantages

Advantages: - Large storage capacity allows for storing a significant amount of data - High-speed operations enable quick data retrieval and updates - Reliable and durable, suitable for long-term data storage - Flexible programming options for different application requirements

Disadvantages: - Limited endurance compared to other non-volatile memory technologies - Higher cost per bit compared to some alternative memory solutions - Requires additional circuitry for interfacing with microcontrollers or processors

Working Principles

The JS28F064M29EWHA utilizes a floating-gate transistor technology known as NOR flash memory. It stores digital information by trapping electric charges within the floating gate of each memory cell. These charges represent binary data (0s and 1s) and can be electrically programmed or erased.

During read operations, the stored charges are measured to determine the stored data. For write operations, the charges are either added or removed from the floating gate to change the stored value. Erase operations clear all charges from the memory cells, resetting them to an initial state.

Detailed Application Field Plans

The JS28F064M29EWHA is commonly used in various electronic devices that require non-volatile data storage, such as:

1. Embedded systems
2. Consumer electronics (e.g., digital cameras, portable media players)
3. Automotive applications (e.g., infotainment systems, instrument clusters)
4. Industrial control systems
5. Networking equipment

Its large capacity, high-speed operations, and reliability make it suitable for applications that demand efficient data storage and retrieval.

Alternative Models

1. JS28F064M29EWHA-120B
2. JS28F064M29EWHA-150B
3. JS28F064M29EWHA-200B
4. JS28F064M29EWHA-250B

These alternative models offer different operating speeds or temperature ranges to cater to specific application requirements while maintaining similar functionality and pin configuration.

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