PC28F256P33T85A

Overview

• Category: Flash Memory
• Use: Data storage in electronic devices
• Characteristics:
  • Non-volatile memory
  • High-density storage
  • Fast read and write operations
• Package: TSSOP
• Essence: Provides reliable and high-performance data storage for various electronic devices
• Packaging/Quantity: Available in reels, quantity depends on manufacturer

Specifications

• Capacity: 256 Megabits (32 Megabytes)
• Interface: Parallel
• Voltage Range: 2.7V to 3.6V
• Access Time: 85 ns
• Operating Temperature Range: -40°C to +85°C
• Erase/Program Cycles: 100,000 cycles

Pin Configuration

The PC28F256P33T85A 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. RY/BY#
46. RP#
47. VSS
48. NC

Functional Features

• High-speed data transfer
• Reliable data retention
• Sector erase and byte program operations
• Built-in error correction code (ECC)
• Power-saving features
• Hardware and software protection mechanisms

Advantages and Disadvantages

Advantages

• High-density storage capacity
• Fast read and write operations
• Wide operating temperature range
• Low power consumption
• Built-in error correction code enhances data reliability

Disadvantages

• Limited erase/program cycles (100,000 cycles)
• Higher cost compared to other memory technologies
• Requires external voltage regulation

Working Principles

The PC28F256P33T85A is based on NAND flash memory technology. It stores data by trapping electrons in a floating gate, which can be electrically erased and programmed. The memory cells are organized into blocks, allowing for efficient sector erase and byte program operations. The device utilizes a parallel interface for data transfer between the memory and the host system.

Detailed Application Field Plans

The PC28F256P33T85A is widely used in various electronic devices that require non-volatile data storage. Some of its application fields include:

1. Consumer Electronics:

   • Digital cameras
   • Portable media players
   • Set-top boxes

2. Automotive:

   • Infotainment systems
   • Instrument clusters
   • Advanced driver-assistance systems (ADAS)

3. Industrial:

   • Embedded systems
   • Control units
   • Data loggers

4. Communication:

   • Routers
   • Network switches
   • Wireless access points

Detailed and Complete Alternative Models

1. PC28F256P33B85A
   • Similar specifications and features, but with a different package (BGA)
2. PC28F256P33T85B
   • Similar specifications and features, but with extended temperature range (-40°C to +105°C)
3. PC28F256P33T85C
   • Similar specifications and features, but with higher capacity (512 Megabits)

These alternative models provide options based on specific requirements such as package type, temperature range, and storage capacity.

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