SN74ABTH18502APMR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics:
  • High-speed operation
  • Wide voltage translation range
  • Bidirectional voltage translation
  • Low power consumption
• Package: 48-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Voltage level translation between different logic families
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range (A Port): 0V to VCCA + 0.5V
• Input Voltage Range (B Port): 0V to VCCB + 0.5V
• Output Voltage Range (A Port): 0V to VCCA + 0.5V
• Output Voltage Range (B Port): 0V to VCCB + 0.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74ABTH18502APMR has a total of 48 pins. The pin configuration is as follows:

1. OE1 (Output Enable Input 1)
2. A1 (Data Input/Output 1)
3. B1 (Data Input/Output 2)
4. GND (Ground)
5. B2 (Data Input/Output 3)
6. A2 (Data Input/Output 4)
7. OE2 (Output Enable Input 2)
8. VCCB (Supply Voltage B)
9. B3 (Data Input/Output 5)
10. A3 (Data Input/Output 6)
11. B4 (Data Input/Output 7)
12. A4 (Data Input/Output 8)
13. VCCA (Supply Voltage A)
14. GND (Ground)
15. B5 (Data Input/Output 9)
16. A5 (Data Input/Output 10)
17. B6 (Data Input/Output 11)
18. A6 (Data Input/Output 12)
19. VCCB (Supply Voltage B)
20. OE2 (Output Enable Input 2)
21. A7 (Data Input/Output 13)
22. B7 (Data Input/Output 14)
23. A8 (Data Input/Output 15)
24. B8 (Data Input/Output 16)
25. GND (Ground)
26. B9 (Data Input/Output 17)
27. A9 (Data Input/Output 18)
28. B10 (Data Input/Output 19)
29. A10 (Data Input/Output 20)
30. VCCA (Supply Voltage A)
31. GND (Ground)
32. B11 (Data Input/Output 21)
33. A11 (Data Input/Output 22)
34. B12 (Data Input/Output 23)
35. A12 (Data Input/Output 24)
36. VCCB (Supply Voltage B)
37. OE1 (Output Enable Input 1)
38. A13 (Data Input/Output 25)
39. B13 (Data Input/Output 26)
40. A14 (Data Input/Output 27)
41. B14 (Data Input/Output 28)
42. GND (Ground)
43. B15 (Data Input/Output 29)
44. A15 (Data Input/Output 30)
45. B16 (Data Input/Output 31)
46. A16 (Data Input/Output 32)
47. VCCA (Supply Voltage A)
48. GND (Ground)

Functional Features

• Bidirectional voltage translation between two logic families
• Automatic direction sensing and control
• High-speed operation for efficient data transfer
• Wide voltage translation range allows compatibility with various logic levels
• Low power consumption for energy-efficient applications

Advantages and Disadvantages

Advantages: - Enables seamless communication between different logic families - Supports bidirectional data transmission - High-speed operation ensures efficient data transfer - Wide voltage translation range provides flexibility in system design - Low power consumption helps conserve energy

Disadvantages: - May introduce slight signal degradation due to voltage level translation - Requires careful consideration of input and output voltage ranges to avoid errors

Working Principles

The SN74ABTH18502APMR is a logic level translator that facilitates communication between different logic families. It operates by converting the voltage levels of input signals from one logic family to another, allowing them to be properly interpreted by the receiving logic circuitry. The device automatically senses the direction of data flow and adjusts the voltage translation accordingly. This bidirectional capability makes it suitable for applications where data needs to