SN74ALVCHR16245LR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-speed, low-voltage, 16-bit bidirectional transceiver
• Package: 48-pin LQFP (Low-profile Quad Flat Package)
• Essence: Transfers data between two different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Number of Bits: 16
• Logic Family: ALVC (Advanced Low-Voltage CMOS)
• Voltage Supply Range: 1.65V to 3.6V
• Input/Output Voltage Levels: 1.8V, 2.5V, 3.3V
• Maximum Data Rate: 400 Mbps
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74ALVCHR16245LR has a total of 48 pins. The pin configuration is as follows:

1. OE (Output Enable) A1
2. A Port Data Bit 0 (A0)
3. A Port Data Bit 1 (A1)
4. A Port Data Bit 2 (A2)
5. A Port Data Bit 3 (A3)
6. A Port Data Bit 4 (A4)
7. A Port Data Bit 5 (A5)
8. GND (Ground)
9. B Port Data Bit 0 (B0)
10. B Port Data Bit 1 (B1)
11. B Port Data Bit 2 (B2)
12. B Port Data Bit 3 (B3)
13. B Port Data Bit 4 (B4)
14. B Port Data Bit 5 (B5)
15. VCCA (Voltage Supply for Port A)
16. VCCB (Voltage Supply for Port B)
17. B Port Data Bit 6 (B6)
18. B Port Data Bit 7 (B7)
19. B Port Data Bit 8 (B8)
20. B Port Data Bit 9 (B9)
21. B Port Data Bit 10 (B10)
22. B Port Data Bit 11 (B11)
23. GND
24. A Port Data Bit 6 (A6)
25. A Port Data Bit 7 (A7)
26. A Port Data Bit 8 (A8)
27. A Port Data Bit 9 (A9)
28. A Port Data Bit 10 (A10)
29. A Port Data Bit 11 (A11)
30. VCCA
31. VCCB
32. A Port Data Bit 12 (A12)
33. A Port Data Bit 13 (A13)
34. A Port Data Bit 14 (A14)
35. A Port Data Bit 15 (A15)
36. B Port Data Bit 12 (B12)
37. B Port Data Bit 13 (B13)
38. B Port Data Bit 14 (B14)
39. B Port Data Bit 15 (B15)
40. GND
41. DIR (Direction Control)
42. OE B1
43. B Port Output Enable (OE B0)
44. A Port Output Enable (OE A0)
45. GND
46. VCCA
47. VCCB
48. VREF (Reference Voltage)

Functional Features

• Bidirectional data transfer between two voltage domains
• Level shifting capability for different voltage levels
• High-speed operation with low propagation delay
• Output enable control for tristate outputs
• Direction control for selecting data flow direction

Advantages and Disadvantages

Advantages: - Supports bidirectional data transfer - Wide voltage supply range - High-speed operation - Tristate outputs for bus sharing

Disadvantages: - Limited number of bits (16-bit) - Requires careful consideration of voltage compatibility

Working Principles

The SN74ALVCHR16245LR is designed to enable bidirectional data transfer between two voltage domains. It acts as a level shifter, allowing communication between devices operating at different voltage levels. The direction control pin determines the flow of data, while the output enable pins control the tristate outputs. The IC operates with low propagation delay, ensuring fast and efficient data transfer.

Detailed Application Field Plans

The SN74ALVCHR16245LR is commonly used in various applications, including:

1. Communication Systems: Facilitates data transfer between different voltage domains in communication systems, such as routers, switches, and network interfaces.
2. Industrial Automation: Enables communication between devices operating at different voltage levels in industrial automation systems, such as PLCs (Programmable Logic Controllers) and sensors.
3. Consumer Electronics: Used