SN74ALVCH162841DLR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-voltage, 16-bit bus transceiver with 3-state outputs
• Package: DLR (Green RoHS-compliant package)
• Essence: Translates signals between different voltage levels in digital systems
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 2.5ns (typical)
• Output Drive Strength: ±24mA
• ESD Protection: >2000V (Human Body Model)

Detailed Pin Configuration

The SN74ALVCH162841DLR 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. GND
16. Y4
17. B4
18. A4
19. OE4
20. VCC
21. Y5
22. B5
23. A5
24. OE5
25. GND
26. Y6
27. B6
28. A6
29. OE6
30. VCC
31. Y7
32. B7
33. A7
34. OE7
35. GND
36. Y8
37. B8
38. A8
39. OE8
40. VCC
41. Y9
42. B9
43. A9
44. OE9
45. GND
46. Y10
47. B10
48. A10
49. OE10
50. VCC
51. Y11
52. B11
53. A11
54. OE11
55. GND
56. Y12

Functional Features

• High-speed operation: The SN74ALVCH162841DLR can operate at high frequencies, making it suitable for use in fast digital systems.
• Low-voltage operation: It supports a wide supply voltage range of 1.2V to 3.6V, allowing compatibility with various logic families.
• 3-state outputs: The device has 3-state outputs, which means it can be disabled to effectively disconnect the output from the bus.
• Bidirectional translation: It can translate signals bidirectionally between two voltage domains, enabling seamless communication between different parts of a system.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer. - Wide supply voltage range provides flexibility in system design. - 3-state outputs enable easy bus sharing and multiplexing. - Bidirectional translation simplifies interfacing between different voltage levels.

Disadvantages: - Limited number of channels (12 in this case) may not be sufficient for certain applications requiring more connections. - Higher power consumption compared to some low-power logic level translators.

Working Principles

The SN74ALVCH162841DLR uses a combination of CMOS and BiCMOS technologies to achieve its functionality. It employs level-shifting circuitry to translate signals between different voltage domains. When the OE (Output Enable) pin is active, the device allows bidirectional data transfer between the A and B ports. The direction of translation is determined by the voltage levels applied to the A and B ports.

Detailed Application Field Plans

The SN74ALVCH162841DLR can be used in various applications where voltage level translation is required. Some potential application fields include:

1. Microcontrollers: It can be used to interface microcontrollers operating at different voltage levels.
2. Memory Systems: It enables communication between memory modules with different voltage requirements.
3. Communication Interfaces: It facilitates signal translation between different communication interfaces, such as UART, SPI, or I2C.
4. Mixed Voltage Systems: It allows integration of components operating at different voltage levels within a single system.

Detailed and Complete Alternative Models

1. SN74LVC1T45DBVR: Single-bit level translator with 3-state output.
2. SN74AVC4T245PW: Quad-bit level translator with 3-state output.
3. SN74LV1T34DCKR: Single-bit non-inverting level translator.

These alternative models offer