W29GL256SL9C TR

Product Overview

• Category: Flash Memory
• Use: Data storage and retrieval in electronic devices
• Characteristics: Non-volatile, high-speed, low power consumption
• Package: Surface Mount Technology (SMT)
• Essence: Stores data electronically without the need for power
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Memory Type: NOR Flash
• Memory Size: 256 Megabits (32 Megabytes)
• Organization: 16M x 16 bits
• Interface: Parallel
• Voltage Supply: 2.7V - 3.6V
• Access Time: 90 ns
• Erase/Program Time: 2 ms (typical)
• Operating Temperature: -40°C to +85°C
• Data Retention: 20 years

Detailed Pin Configuration

The W29GL256SL9C TR has a total of 48 pins. Here is the 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. A8 - Address Input
10. A9 - Address Input
11. A10 - Address Input
12. A11 - Address Input
13. A12 - Address Input
14. A13 - Address Input
15. A14 - Address Input
16. A15 - Address Input
17. DQ0 - Data Input/Output
18. DQ1 - Data Input/Output
19. DQ2 - Data Input/Output
20. DQ3 - Data Input/Output
21. DQ4 - Data Input/Output
22. DQ5 - Data Input/Output
23. DQ6 - Data Input/Output
24. DQ7 - Data Input/Output
25. DQ8 - Data Input/Output
26. DQ9 - Data Input/Output
27. DQ10 - Data Input/Output
28. DQ11 - Data Input/Output
29. DQ12 - Data Input/Output
30. DQ13 - Data Input/Output
31. DQ14 - Data Input/Output
32. DQ15 - Data Input/Output
33. CE# - Chip Enable Input
34. WE# - Write Enable Input
35. OE# - Output Enable Input
36. RP# - Ready/Busy Output
37. VCC - Power Supply
38. GND - Ground
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

• High-speed data transfer with a 90 ns access time
• Low power consumption for energy-efficient operation
• Non-volatile memory retains data even without power
• Reliable and durable storage solution with a 20-year data retention period
• Easy integration into electronic devices with parallel interface support

Advantages and Disadvantages

Advantages: - Fast access time enables quick data retrieval - Low power consumption prolongs battery life in portable devices - Non-volatile memory ensures data integrity during power loss - Long data retention period eliminates the need for frequent data backup

Disadvantages: - Limited storage capacity compared to other flash memory types - Parallel interface may require more complex circuitry in device design

Working Principles

The W29GL256SL9C TR is based on NOR flash memory technology. It utilizes a grid of memory cells, each capable of storing one bit of data. These cells are organized into a matrix, with rows and columns forming the addressable locations. When data needs to be stored or retrieved, the appropriate address is provided, and the memory controller activates the necessary circuitry to read from or write to the selected cell.

Detailed Application Field Plans

The W29GL256SL9C TR is commonly used in various electronic devices that require non-volatile storage for program code, firmware, or data. Some specific application fields include:

1. Embedded Systems: Used as boot memory or for storing critical system parameters.
2. Consumer Electronics: Found in digital cameras, set-top boxes, and portable media players for data storage.
3. Automotive: Utilized in infotainment systems, instrument clusters, and engine control units for reliable data storage.
4. Industrial Automation: Used in programmable logic controllers (PLCs) and human-machine interfaces