AT49BV321-90CI

Product Overview

Category

AT49BV321-90CI belongs to the category of non-volatile memory devices.

Use

This product is primarily used for storing and retrieving data in electronic systems.

Characteristics

• Non-volatile: The AT49BV321-90CI retains stored data even when power is removed.
• High capacity: It offers a storage capacity of 32 megabits (4 megabytes).
• Fast access time: With a speed of 90 nanoseconds, it ensures quick data retrieval.
• Low power consumption: The device operates at low power levels, making it energy-efficient.

Package

The AT49BV321-90CI is available in a compact package, which facilitates easy integration into various electronic systems.

Essence

The essence of this product lies in its ability to provide reliable and high-capacity non-volatile memory storage for electronic devices.

Packaging/Quantity

The AT49BV321-90CI is typically packaged in trays or reels, with each containing a specific quantity of devices. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Type: Flash
• Organization: 4M x 8
• Supply Voltage: 2.7V - 3.6V
• Access Time: 90 ns
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel
• Package Type: 48-pin TSOP

Detailed Pin Configuration

The AT49BV321-90CI features a 48-pin TSOP package with the following pin configuration:

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. A16
18. A17
19. A18
20. A19
21. A20
22. A21
23. A22
24. A23
25. VCC
26. WE#
27. CE#
28. OE#
29. BYTE#
30. NC
31. DQ0
32. DQ1
33. DQ2
34. DQ3
35. DQ4
36. DQ5
37. DQ6
38. DQ7
39. RY/BY#
40. RESET#
41. VSS
42. NC
43. NC
44. NC
45. NC
46. NC
47. NC
48. NC

Functional Features

• Erase and Program Operations: The AT49BV321-90CI supports both sector erase and byte program operations, allowing for flexible data manipulation.
• Write Protection: It offers write protection features to prevent accidental modification or erasure of stored data.
• High Reliability: This product ensures reliable data retention and endurance, making it suitable for critical applications.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity allows for storing large amounts of data.
• Fast access time enables quick retrieval of information.
• Low power consumption contributes to energy efficiency.

Disadvantages

• Limited compatibility: The parallel interface may not be compatible with all systems.
• Higher cost compared to some other memory technologies.

Working Principles

The AT49BV321-90CI utilizes flash memory technology to store data. It employs a combination of floating-gate transistors and charge storage mechanisms to retain information even when power is removed. The device uses a parallel interface to communicate with the host system, enabling efficient data transfer.

Detailed Application Field Plans

The AT49BV321-90CI finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices

Detailed and Complete Alternative Models

• AT49BV3208-70CU: Similar specifications with a different package type (64-pin TFBGA)
• AT49BV322A-70TU: Higher capacity variant (64 megabits) with similar characteristics
• AT49BV322D-70TU: Higher capacity variant (64 megabits) with lower power consumption

These alternative models offer similar functionality and can be considered as alternatives to the AT49BV321-90CI based on specific requirements and system constraints.

In conclusion, the AT49BV321-90CI is a non-volatile memory device that provides high-capacity storage with fast access times. Its reliability, low power consumption, and compatibility with various electronic systems make it a suitable choice for a wide range of applications.