SN74ABT16500BDL

Product Overview

• Category: Integrated Circuit
• Use: Data Bus Transceiver
• Characteristics: High-speed, Bidirectional, 16-bit, Non-Inverting
• Package: 56-pin SSOP (Shrink Small Outline Package)
• Essence: Transfers data between two bidirectional buses with different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Propagation Delay: 6.5ns
• Maximum Operating Frequency: 200MHz

Detailed Pin Configuration

The SN74ABT16500BDL has a total of 56 pins. The pin configuration is as follows:

1. OE (Output Enable) 1
2. A1 (Data Bus A) 1
3. B1 (Data Bus B) 1
4. A2 (Data Bus A) 2
5. B2 (Data Bus B) 2
6. A3 (Data Bus A) 3
7. B3 (Data Bus B) 3
8. A4 (Data Bus A) 4
9. B4 (Data Bus B) 4
10. A5 (Data Bus A) 5
11. B5 (Data Bus B) 5
12. A6 (Data Bus A) 6
13. B6 (Data Bus B) 6
14. A7 (Data Bus A) 7
15. B7 (Data Bus B) 7
16. A8 (Data Bus A) 8
17. B8 (Data Bus B) 8
18. GND (Ground)
19. OE (Output Enable) 2
20. DIR (Direction Control)
21. VCC (Supply Voltage)
22. B9 (Data Bus B) 9
23. A9 (Data Bus A) 9
24. B10 (Data Bus B) 10
25. A10 (Data Bus A) 10
26. B11 (Data Bus B) 11
27. A11 (Data Bus A) 11
28. B12 (Data Bus B) 12
29. A12 (Data Bus A) 12
30. B13 (Data Bus B) 13
31. A13 (Data Bus A) 13
32. B14 (Data Bus B) 14
33. A14 (Data Bus A) 14
34. B15 (Data Bus B) 15
35. A15 (Data Bus A) 15
36. B16 (Data Bus B) 16
37. A16 (Data Bus A) 16 38-56. NC (No Connection)

Functional Features

• Bidirectional data transfer between two buses with different voltage levels
• Non-inverting logic translation
• High-speed operation up to 200MHz
• Output enable control for bus isolation
• Direction control for selecting the direction of data flow

Advantages and Disadvantages

Advantages: - Allows interfacing between systems with different voltage levels - Non-inverting logic translation preserves signal integrity - High-speed operation enables efficient data transfer - Output enable and direction control provide flexibility in bus management

Disadvantages: - Limited to 16-bit data bus width - Requires careful consideration of voltage level compatibility

Working Principles

The SN74ABT16500BDL is a bidirectional data bus transceiver that facilitates communication between two buses operating at different voltage levels. It uses non-inverting logic translation, ensuring that the signal integrity is preserved during data transfer.

The device features an output enable control (OE) pin, which allows the user to isolate the bus when needed. The direction control (DIR) pin determines the direction of data flow between the two buses.

When the DIR pin is set to logic high, data is transferred from Bus A to Bus B. Conversely, when the DIR pin is set to logic low, data is transferred from Bus B to Bus A. The OE pin can be used to disable the outputs, effectively isolating the bus from the rest of the system.

Detailed Application Field Plans

The SN74ABT16500BDL is commonly used in various applications where data needs to be transferred between buses operating at different voltage levels. Some specific application fields include:

1. Microcontroller interfacing with external memory or peripherals
2. Communication interfaces between different integrated circuits
3. Level shifting in mixed-voltage systems
4. Data transfer between FPGA