Encyclopedia Entry: 74FCT163245APAG8

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Data Bus Transceiver
• Characteristics: High-speed, bidirectional data transfer, voltage level translation
• Package: 48-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Facilitates efficient and reliable communication between different digital systems
• Packaging/Quantity: Available in reels of 2500 units

Specifications

The 74FCT163245APAG8 is a high-performance, 16-bit bidirectional data bus transceiver. It is designed to enable seamless data transfer between two independent buses operating at different voltage levels. The IC operates with a supply voltage range of 4.5V to 5.5V and supports both TTL and CMOS logic levels.

Detailed Pin Configuration

The 74FCT163245APAG8 features a 48-pin TSSOP package with the following pin configuration:

1. OEAB - Output Enable Input for Ports A and B
2. DIR - Direction Control Input
3. A1-A8 - Data I/O Pins for Port A
4. GND - Ground
5. B1-B8 - Data I/O Pins for Port B
6. VCC - Supply Voltage
7. B9-B16 - Data I/O Pins for Port B
8. GND - Ground
9. B17-B24 - Data I/O Pins for Port B
10. A9-A16 - Data I/O Pins for Port A
11. GND - Ground
12. A17-A24 - Data I/O Pins for Port A
13. VCC - Supply Voltage
14. A25-A32 - Data I/O Pins for Port A
15. GND - Ground
16. B25-B32 - Data I/O Pins for Port B
17. OEBA - Output Enable Input for Ports A and B
18. GND - Ground
19. DIR - Direction Control Input
20. A33-A40 - Data I/O Pins for Port A
21. VCC - Supply Voltage
22. B33-B40 - Data I/O Pins for Port B
23. GND - Ground
24. B41-B48 - Data I/O Pins for Port B
25. A41-A48 - Data I/O Pins for Port A
26. GND - Ground
27. A49-A56 - Data I/O Pins for Port A
28. VCC - Supply Voltage
29. B49-B56 - Data I/O Pins for Port B
30. GND - Ground
31. B57-B64 - Data I/O Pins for Port B
32. A57-A64 - Data I/O Pins for Port A
33. GND - Ground
34. A65-A72 - Data I/O Pins for Port A
35. VCC - Supply Voltage
36. B65-B72 - Data I/O Pins for Port B
37. GND - Ground
38. B73-B80 - Data I/O Pins for Port B
39. A73-A80 - Data I/O Pins for Port A
40. GND - Ground
41. A81-A88 - Data I/O Pins for Port A
42. VCC - Supply Voltage
43. B81-B88 - Data I/O Pins for Port B
44. GND - Ground
45. B89-B96 - Data I/O Pins for Port B
46. A89-A96 - Data I/O Pins for Port A
47. GND - Ground
48. VCC - Supply Voltage

Functional Features

The 74FCT163245APAG8 offers the following functional features:

• Bidirectional Data Transfer: Enables data transmission in both directions between two independent buses.
• Voltage Level Translation: Facilitates communication between buses operating at different voltage levels.
• Output Enable Control: Allows individual control of output enable for each port.
• Direction Control: Determines the direction of data flow between the ports.

Advantages and Disadvantages

Advantages: - High-speed data transfer - Supports bidirectional communication - Wide supply voltage range - Easy integration into existing systems

Disadvantages: - Limited number of data I/O pins - Requires careful consideration of voltage level compatibility

Working Principles

The 74FCT163245APAG8 operates by receiving data from one bus and transmitting it to the other, or vice versa. The direction of data flow is controlled by the DIR pin. When DIR is set to logic high, data is transmitted from Port A to Port B. Conversely, when DIR is set to logic low, data is transmitted from Port B to Port A. The OEAB and OEBA pins are used to enable or disable the outputs of Ports A and B, respectively.

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