PC28F256J3D95A

Product Overview

• Category: Flash Memory
• Use: Data storage and retrieval in electronic devices
• Characteristics: High capacity, non-volatile, fast read/write speeds
• Package: Integrated Circuit (IC)
• Essence: Non-volatile memory for long-term data storage
• Packaging/Quantity: Available in various packaging options, typically sold in bulk quantities

Specifications

• Capacity: 256 Megabits (32 Megabytes)
• Interface: Parallel
• Voltage Range: 2.7V - 3.6V
• Operating Temperature: -40°C to +85°C
• Access Time: 95 nanoseconds
• Endurance: 100,000 program/erase cycles
• Data Retention: Up to 20 years

Detailed Pin Configuration

The PC28F256J3D95A flash memory IC has a total of 48 pins. The pin configuration is 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. DQ0
35. DQ1
36. DQ2
37. DQ3
38. DQ4
39. DQ5
40. DQ6
41. DQ7
42. WE#
43. CE#
44. OE#
45. RP#
46. RY/BY#
47. VSS
48. NC

Functional Features

• High-speed data transfer with fast read and write operations
• Non-volatile memory retains data even when power is disconnected
• Reliable and durable, with a high endurance of 100,000 program/erase cycles
• Wide operating temperature range allows for use in various environments
• Low power consumption for efficient energy usage

Advantages and Disadvantages

Advantages: - Large storage capacity for storing substantial amounts of data - Fast access time enables quick retrieval of information - Non-volatile nature ensures data integrity even during power outages - Versatile application possibilities due to wide operating temperature range

Disadvantages: - Relatively higher cost compared to other forms of memory - Limited number of program/erase cycles may restrict certain applications - Requires additional circuitry for interfacing with the host device

Working Principles

The PC28F256J3D95A flash memory operates based on the principles of floating-gate transistors. It utilizes a grid of memory cells, each consisting of a floating gate and a control gate. The presence or absence of an electrical charge on the floating gate determines the stored data.

During programming, a high voltage is applied to the control gate, causing electrons to tunnel through the insulating layer onto the floating gate. This process traps the charge, representing a binary value (0 or 1). Erasing is achieved by applying a high voltage that removes the trapped charge from the floating gate.

Detailed Application Field Plans

The PC28F256J3D95A flash memory is widely used in various electronic devices and applications, including:

1. Solid-State Drives (SSDs)
2. Digital Cameras
3. Mobile Phones
4. Tablets
5. Automotive Electronics
6. Industrial Control Systems
7. Embedded Systems
8. Gaming Consoles

Its high capacity, fast access time, and reliability make it suitable for storing firmware, operating systems, user data, and other critical information in these devices.

Detailed and Complete Alternative Models

1. PC28F256J3D75A: Similar to PC28F256J3D95A but with a slightly lower access time of 75 nanoseconds.
2. PC28F256J3D120A: Similar to PC28F256J3D95A but with a higher access time of 120 nanoseconds.
3. PC28F512J3D95A: Double the capacity of PC28F256J3D95A, offering 512 Megabits (64 Megabytes) of storage.

These alternative models provide options with varying specifications to cater to different application requirements