SN74ALVCH162721DLR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: High-speed, Low-voltage, 16-bit Bus Transceiver with 3-state Outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Transceiver IC for bidirectional data transfer between buses
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Number of Bits: 16
• Logic Family: ALVCH
• Voltage Level: Low Voltage (LV)
• Input/Output Type: Tri-state
• Supply Voltage Range: 1.65V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 2.5ns (Max)
• Output Drive Strength: ±24mA
• ESD Protection: Human Body Model (HBM) > 2000V

Detailed Pin Configuration

The SN74ALVCH162721DLR has a total of 56 pins. The pin configuration is as follows:

1. OEAB
2. OEB
3. GND
4. A1
5. A2
6. A3
7. A4
8. A5
9. A6
10. A7
11. A8
12. VCC
13. B1
14. B2
15. B3
16. B4
17. B5
18. B6
19. B7
20. B8
21. GND
22. DIR
23. CLKAB
24. CLKBA
25. GND
26. C1
27. C2
28. C3
29. C4
30. C5
31. C6
32. C7
33. C8
34. VCC
35. D1
36. D2
37. D3
38. D4
39. D5
40. D6
41. D7
42. D8
43. GND
44. OEA
45. OEB
46. GND
47. A9
48. A10
49. A11
50. A12
51. A13
52. A14
53. A15
54. A16
55. VCC
56. B9

Functional Features

• Bidirectional data transfer between two independent buses
• 3-state outputs allow multiple devices to share the same bus
• High-speed operation with minimal propagation delay
• Low-voltage operation for reduced power consumption
• ESD protection for enhanced reliability

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer - Low-voltage operation reduces power consumption - 3-state outputs facilitate bus sharing among multiple devices - ESD protection enhances reliability in harsh environments

Disadvantages: - Limited number of bits (16) may not be suitable for applications requiring larger data buses - TSSOP package may require careful handling during assembly

Working Principles

The SN74ALVCH162721DLR is designed to enable bidirectional data transfer between two independent buses. It utilizes a combination of input/output buffers, control logic, and 3-state output drivers to achieve this functionality. The direction of data flow is controlled by the DIR pin, while the OEAB and OEB pins control the output enable for each bus. When the output is disabled, the outputs are in a high-impedance state, allowing other devices to drive the bus.

Detailed Application Field Plans

The SN74ALVCH162721DLR is commonly used in various digital systems where bidirectional data transfer between buses is required. Some potential application fields include:

1. Microprocessors and Microcontrollers
2. Data Communication Systems
3. Industrial Automation
4. Automotive Electronics
5. Consumer Electronics

Detailed and Complete Alternative Models

1. SN74ALVC164245DLR: 16-bit Bus Transceiver with 3-state Outputs, Low Voltage Operation.
2. SN74LVC16244ADLR: 16-bit Buffer/Driver with 3-state Outputs, Low Voltage Operation.
3. SN74LVTH16245ADLR: 16-bit Bus Transceiver with 3-state Outputs, Low Voltage Tolerant.

These alternative models offer similar functionality and characteristics to the SN74ALVCH162721DLR, providing options for different design requirements.

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