W29GL256SH9T

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
  • Low power consumption
• Package: Surface Mount Technology (SMT)
• Essence: Reliable and efficient data storage solution
• Packaging/Quantity: Available in reels, with 250 units per reel

Specifications

• Memory Type: NOR Flash
• Density: 256 Megabits (32 Megabytes)
• Organization: 16M words × 16 bits
• Supply Voltage: 2.7V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel
• Access Time: 90 ns (max)
• Erase/Program Suspend/Erase Suspend: Yes
• Burst Mode: Yes
• Sector Architecture: Uniform 4 KByte sectors with 64 KByte blocks
• Status Register: Available
• Package Dimensions: 48-ball TFBGA (8mm x 6mm)

Detailed Pin Configuration

The W29GL256SH9T has a total of 48 pins. The pin configuration is as follows:

1. A0
2. A1
3. A2
4. A3
5. A4
6. A5
7. A6
8. A7
9. A8
10. A9
11. A10
12. A11
13. A12
14. A13
15. A14
16. A15
17. DQ0
18. DQ1
19. DQ2
20. DQ3
21. DQ4
22. DQ5
23. DQ6
24. DQ7
25. DQ8
26. DQ9
27. DQ10
28. DQ11
29. DQ12
30. DQ13
31. DQ14
32. DQ15
33. CE#
34. WE#
35. RE#
36. WP#
37. VCC
38. VSS
39. RESET#
40. ALE#
41. CLE#
42. BYTE#
43. RB#
44. RP#
45. NC
46. NC
47. NC
48. NC

Functional Features

• High-speed read and write operations for efficient data access
• Low power consumption, making it suitable for battery-powered devices
• Erase and program suspend functions for enhanced flexibility
• Burst mode support for faster data transfer
• Uniform sector architecture for easy management of data storage
• Status register for monitoring the device's operation

Advantages and Disadvantages

Advantages: - Large storage capacity - High-speed data access - Low power consumption - Reliable and durable - Flexible erase and program operations

Disadvantages: - Limited compatibility with certain devices due to parallel interface - Relatively higher cost compared to other memory technologies

Working Principles

The W29GL256SH9T operates based on the NOR flash memory technology. It uses a parallel interface to communicate with the host device. The memory cells store data in a non-volatile manner, meaning the data is retained even when power is removed. The device supports high-speed read and write operations, allowing for quick data retrieval and storage. The erase and program suspend functions provide flexibility during data manipulation. The uniform sector architecture simplifies data management by dividing the memory into small sectors.

Detailed Application Field Plans

The W29GL256SH9T is widely used in various electronic devices that require reliable and efficient data storage. Some of the application fields include:

1. Consumer Electronics: Used in smartphones, tablets, digital cameras, and portable media players for storing user data, firmware, and software.
2. Automotive Systems: Integrated into automotive infotainment systems, navigation systems, and instrument clusters for data storage and retrieval.
3. Industrial Control Systems: Utilized in industrial automation equipment, PLCs (Programmable Logic Controllers), and HMI (Human-Machine Interface) devices for storing program code and configuration data.
4. Medical Devices: Incorporated into medical equipment such as patient monitors, ultrasound machines, and diagnostic devices for data storage and firmware updates.

Detailed and Complete Alternative Models

1. W25Q256JVSIQ - 256 Megabit NOR Flash Memory with Serial Interface
2. S29GL256P11TFI010 - 256 Megabit NOR Flash Memory with Parallel Interface
3. MX25L25635FZNI-10G - 256 Megabit NOR Flash Memory with Quad SPI Interface
4. AT45DB321E-SHN-T - 32 Megabit DataFlash Memory with Serial Interface