SN74LVCH16T245DGGR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifting and Voltage Translation
• Characteristics: High-speed, Low-voltage, 16-bit Bus Transceiver with 3-state Outputs
• Package: TSSOP-48
• Essence: This IC is designed to provide level shifting and voltage translation capabilities for a 16-bit bus. It allows seamless communication between devices operating at different voltage levels.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 400 MHz
• Number of Channels: 16
• Output Drive Capability: ±24 mA
• Propagation Delay: 2.8 ns (Max) at 3.3V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVCH16T245DGGR has a total of 48 pins. The pin configuration is as follows:

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

Functional Features

• Bidirectional Level Shifting: Allows seamless communication between devices operating at different voltage levels.
• 3-state Outputs: Provides high impedance state when the output is not enabled, allowing multiple devices to share a common bus.
• High-speed Operation: Supports data transmission at frequencies up to 400 MHz.
• Low-voltage Operation: Can operate at supply voltages as low as 1.65V, making it suitable for low-power applications.

Advantages and Disadvantages

Advantages: - Enables communication between devices with different voltage levels - Supports high-speed data transmission - Low-voltage operation for power-efficient applications - 3-state outputs allow for easy bus sharing

Disadvantages: - Limited number of channels (16) - Requires careful consideration of voltage compatibility between devices

Working Principles

The SN74LVCH16T245DGGR operates by receiving data from one side of the bus and translating it to the voltage level compatible with the other side. It uses a combination of level shifting circuits and 3-state buffers to achieve bidirectional communication. The direction control pin (DIR) determines the direction of data flow, while the output enable pins (OE) control the output