SN74ABTH32316PN

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, bidirectional voltage translation between different logic levels
• Package: 48-pin Plastic Quad Flat Package (PQFP)
• Essence: Voltage level shifting and signal isolation
• Packaging/Quantity: Tape and Reel, 250 units per reel

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Logic Voltage Levels: 1.2V, 1.8V, 2.5V, 3.3V
• Maximum Data Rate: 400 Mbps
• Number of Channels: 16
• Input/Output Compatibility: TTL, CMOS, LVCMOS
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74ABTH32316PN has a total of 48 pins. The pin configuration is as follows:

1. VCCA - Power supply for A-side circuitry
2. GND - Ground
3. A1 - Channel A1 input/output
4. A2 - Channel A2 input/output
5. A3 - Channel A3 input/output
6. A4 - Channel A4 input/output
7. A5 - Channel A5 input/output
8. A6 - Channel A6 input/output
9. A7 - Channel A7 input/output
10. A8 - Channel A8 input/output
11. A9 - Channel A9 input/output
12. A10 - Channel A10 input/output
13. A11 - Channel A11 input/output
14. A12 - Channel A12 input/output
15. A13 - Channel A13 input/output
16. A14 - Channel A14 input/output
17. A15 - Channel A15 input/output
18. A16 - Channel A16 input/output
19. VCCB - Power supply for B-side circuitry
20. B1 - Channel B1 input/output
21. B2 - Channel B2 input/output
22. B3 - Channel B3 input/output
23. B4 - Channel B4 input/output
24. B5 - Channel B5 input/output
25. B6 - Channel B6 input/output
26. B7 - Channel B7 input/output
27. B8 - Channel B8 input/output
28. B9 - Channel B9 input/output
29. B10 - Channel B10 input/output
30. B11 - Channel B11 input/output
31. B12 - Channel B12 input/output
32. B13 - Channel B13 input/output
33. B14 - Channel B14 input/output
34. B15 - Channel B15 input/output
35. B16 - Channel B16 input/output
36. OEAB - Output enable for A-side channels
37. OEBA - Output enable for B-side channels
38. DIR - Direction control input
39. GND - Ground
40. VREF - Reference voltage for level translation

Functional Features

• Bidirectional voltage translation between different logic levels
• Automatic direction sensing and control
• Low power consumption
• High-speed data transmission
• Wide operating voltage range
• ESD protection on all pins

Advantages

• Enables seamless communication between devices operating at different voltage levels
• Simplifies system design by eliminating the need for additional level shifting components
• Supports high-speed data transfer, making it suitable for applications requiring fast signal processing
• Provides ESD protection, enhancing the reliability of the system

Disadvantages

• Limited to 16 channels, which may not be sufficient for complex systems requiring a higher number of channels
• Requires careful consideration of voltage compatibility to avoid signal distortion or damage

Working Principles

The SN74ABTH32316PN utilizes a combination of level shifting circuitry and direction control logic to enable bidirectional voltage translation. The DIR pin determines the direction of data flow, while the OEAB and OEBA pins control the output enables for the A-side and B-side channels, respectively. The device automatically senses the direction of data transmission and adjusts the voltage levels accordingly.

Detailed Application Field Plans

The SN74ABTH32316PN is widely used in various applications that require voltage level translation between different logic families. Some common application fields include:

1. Microcontroller interfacing with peripherals operating at different voltage levels
2. Communication interfaces between devices using different logic families (e.g., TTL to CMOS)
3. Signal isolation in mixed-voltage systems
4. Data transmission between FPGAs and ASICs with varying voltage requirements
5. Industrial automation and control systems

Detailed and Complete Alternative Models

1. SN74LVC4245A: Octal Bus Transceiver with Voltage Level Translation