MT28F400B5WP-8 B

Basic Information Overview

• Category: Memory chip
• Use: Data storage in electronic devices
• Characteristics: Non-volatile, high-speed, high-density
• Package: 48-pin TSOP (Thin Small Outline Package)
• Essence: Flash memory chip
• Packaging/Quantity: Individually packaged, quantity varies based on customer requirements

Specifications

• Capacity: 4 megabits (512 kilobytes)
• Organization: 512K x 8 bits
• Supply Voltage: 2.7V - 3.6V
• Access Time: 80 ns
• Operating Temperature: -40°C to +85°C
• Erase/Program Cycles: 100,000 cycles

Detailed Pin Configuration

1. A0 - Address Input
2. A1 - Address Input
3. A2 - Address Input
4. A3 - Address Input
5. A4 - Address Input
6. A5 - Address Input
7. A6 - Address Input
8. A7 - Address Input
9. VSS - Ground
10. A8 - Address Input
11. A9 - Address Input
12. A10 - Address Input
13. A11 - Address Input
14. A12 - Address Input
15. A13 - Address Input
16. A14 - Address Input
17. A15 - Address Input
18. VCC - Power Supply
19. DQ0 - Data Input/Output
20. DQ1 - Data Input/Output
21. DQ2 - Data Input/Output
22. DQ3 - Data Input/Output
23. DQ4 - Data Input/Output
24. DQ5 - Data Input/Output
25. DQ6 - Data Input/Output
26. DQ7 - Data Input/Output
27. WE# - Write Enable
28. CE# - Chip Enable
29. OE# - Output Enable
30. RP# - Ready/Busy
31. VSS - Ground
32. NC - No Connection
33. NC - No Connection
34. NC - No Connection
35. NC - No Connection
36. NC - No Connection
37. NC - No Connection
38. NC - No Connection
39. NC - No Connection
40. NC - No Connection
41. NC - No Connection
42. NC - No Connection
43. NC - No Connection
44. NC - No Connection
45. NC - No Connection
46. NC - No Connection
47. NC - No Connection
48. NC - No Connection

Functional Features

• Non-volatile memory: Retains data even when power is removed
• High-speed operation: Allows for quick data access and transfer
• High-density storage: Provides a large amount of data storage in a compact chip
• Easy integration: Can be easily integrated into various electronic devices

Advantages

• Fast access time allows for efficient data retrieval
• Non-volatile nature ensures data retention without the need for power
• High-density storage enables more data to be stored in a smaller space
• Easy integration simplifies the design and implementation process

Disadvantages

• Limited erase/program cycles may affect the lifespan of the chip
• Higher cost compared to other types of memory chips
• Requires specific programming techniques for proper usage

Working Principles

MT28F400B5WP-8 B is based on flash memory technology. It utilizes floating-gate transistors to store and retrieve data. The memory cells are organized in a grid-like structure, with each cell capable of storing one bit of information. The data is written to the memory cells by applying a high voltage, which charges or discharges the floating gate. This charge determines whether the cell represents a "0" or a "1". The stored data can be read by applying appropriate voltages to the memory cells.

Detailed Application Field Plans

• Embedded systems: Used for program storage in microcontrollers and other embedded devices
• Consumer electronics: Found in digital cameras, MP3 players, and other portable devices for data storage
• Automotive industry: Utilized in car navigation systems, infotainment systems, and engine control units for storing critical data
• Industrial automation: Used in PLCs (Programmable Logic Controllers) and other industrial control systems for program storage

Detailed and Complete Alternative Models

• MT28F400B5WP-8: Similar flash memory chip with the same capacity and characteristics
• MT28F400B3WG-9 B: Flash memory chip with a lower access time of 90 ns
• MT28F400B1WG-10 B: Flash memory chip with a higher access time of 100 ns

(Note: The alternative models listed