SN74ALVCH16821DLR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-voltage, CMOS technology
• Package: 56-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates signals between different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 400 MHz
• Number of Inputs: 18
• Number of Outputs: 18

Detailed Pin Configuration

The SN74ALVCH16821DLR has a total of 56 pins. The pin configuration is as follows:

1. OE1
2. A1
3. B1
4. Y1
5. GND
6. Y2
7. B2
8. A2
9. OE2
10. VCC
11. Y3
12. B3
13. A3
14. OE3
15. Y4
16. B4
17. A4
18. OE4
19. GND
20. Y5
21. B5
22. A5
23. OE5
24. Y6
25. B6
26. A6
27. OE6
28. VCC
29. Y7
30. B7
31. A7
32. OE7
33. Y8
34. B8
35. A8
36. OE8
37. GND
38. Y9
39. B9
40. A9
41. OE9
42. Y10
43. B10
44. A10
45. OE10
46. VCC
47. Y11
48. B11
49. A11
50. OE11
51. Y12
52. B12
53. A12
54. OE12
55. GND
56. Y13

Functional Features

• High-speed translation between different voltage levels
• Supports bidirectional data flow
• Low power consumption
• Schmitt-trigger inputs for noise immunity
• 3-state outputs for bus-oriented applications

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient signal translation - Wide supply voltage range enables compatibility with various systems - Low power consumption helps conserve energy - Schmitt-trigger inputs provide robustness against noise

Disadvantages: - Limited number of input/output channels (18 in total) - Only supports translation between two voltage levels (not suitable for multi-level translation)

Working Principles

The SN74ALVCH16821DLR is a logic level translator that operates by receiving input signals at one voltage level and translating them to another voltage level. It utilizes CMOS technology, which allows for high-speed operation and low power consumption. The device features bidirectional data flow, enabling it to translate signals in both directions. It also incorporates Schmitt-trigger inputs, which provide noise immunity by ensuring reliable switching even in the presence of noisy signals. The 3-state outputs make it suitable for bus-oriented applications where multiple devices can share a common bus.

Detailed Application Field Plans

The SN74ALVCH16821DLR is commonly used in various applications that require voltage level translation. Some specific application fields include:

1. Microcontrollers: The IC can be used to interface microcontrollers operating at different voltage levels, allowing them to communicate with each other or with peripheral devices.

2. Communication Systems: It can be employed in communication systems to translate signals between different voltage domains, enabling seamless data transfer between components.

3. Industrial Automation: The IC finds application in industrial automation systems where different subsystems may operate at different voltage levels. It facilitates smooth integration and communication between these subsystems.

4. Consumer Electronics: The device is utilized in consumer electronics products such as smartphones, tablets, and gaming consoles, where it enables compatibility between components operating at different voltage levels.

Detailed and Complete Alternative Models

1. SN74LVC1T45DBVR: Single-bit dual-supply bus transceiver with voltage level translation capability.
2. TXB0108PWR: 8-bit bidirectional voltage-level translator with automatic direction sensing.
3. PCA9306DCUR: Dual bidirectional I2C-bus and SMBus voltage-level translator with configurable voltage levels.

These alternative models offer similar functionality and can be considered as alternatives to the SN74ALVCH16821DLR based on specific requirements and design considerations.

In conclusion, the SN74ALVCH16821DLR