Encyclopedia Entry: 74LVTH16244MEAX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-voltage, 16-bit buffer/line driver
• Package: 48-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates signals between different voltage levels
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Logic Family: LVTH
• Number of Bits: 16
• Supply Voltage Range: 2.7V to 3.6V
• Input Voltage Levels: Compatible with both TTL and CMOS
• Output Drive Capability: ±24mA
• Propagation Delay: 4.5ns (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The 74LVTH16244MEAX IC has a total of 48 pins, which are assigned as follows:

1. OE (Output Enable) 1
2. Y1 (Output) 1
3. A1 (Input) 1
4. B1 (Input) 1
5. GND (Ground)
6. B2 (Input) 2
7. A2 (Input) 2
8. Y2 (Output) 2
9. OE (Output Enable) 2
10. VCC (Power Supply)
11. Y1 (Output) 1
12. A1 (Input) 1
13. B1 (Input) 1
14. GND (Ground)
15. B2 (Input) 2
16. A2 (Input) 2
17. Y2 (Output) 2
18. OE (Output Enable) 2
19. VCC (Power Supply)
20. Y1 (Output) 1
21. A1 (Input) 1
22. B1 (Input) 1
23. GND (Ground)
24. B2 (Input) 2
25. A2 (Input) 2
26. Y2 (Output) 2
27. OE (Output Enable) 2
28. VCC (Power Supply)
29. Y1 (Output) 1
30. A1 (Input) 1
31. B1 (Input) 1
32. GND (Ground)
33. B2 (Input) 2
34. A2 (Input) 2
35. Y2 (Output) 2
36. OE (Output Enable) 2
37. VCC (Power Supply)
38. Y1 (Output) 1
39. A1 (Input) 1
40. B1 (Input) 1
41. GND (Ground)
42. B2 (Input) 2
43. A2 (Input) 2
44. Y2 (Output) 2
45. OE (Output Enable) 2
46. VCC (Power Supply)
47. Y1 (Output) 1
48. OE (Output Enable) 1

Functional Features

• Translates logic signals between different voltage levels, allowing compatibility between devices operating at different voltages.
• Provides high-speed buffering and line driving capabilities for reliable signal transmission.
• Supports bidirectional communication with separate input and output enable pins for each direction.
• Offers low power consumption and operates within a wide temperature range.

Advantages

• High-speed operation enables efficient data transfer between devices.
• Wide supply voltage range allows compatibility with various systems.
• Low power consumption helps conserve energy.
• Bidirectional communication capability enhances versatility.

Disadvantages

• Limited number of bits (16) may not be suitable for applications requiring larger data buses.
• The 48-pin package may require more board space compared to smaller IC packages.

Working Principles

The 74LVTH16244MEAX is a logic level translator that operates by receiving input signals at one voltage level and translating them to another voltage level. It utilizes internal circuitry to buffer and drive the output signals, ensuring reliable transmission between devices operating at different voltage levels. The input and output enable pins control the direction of signal flow, allowing bidirectional communication.

Application Field Plans

The 74LVTH16244MEAX is commonly used in various electronic systems where logic signals need to be translated between different voltage levels. Some potential application fields include: - Microcontroller interfacing with different voltage peripherals - Communication systems involving mixed voltage devices - Data acquisition systems with multiple voltage domains - Industrial automation and control systems

Alternative Models

• SN74LVC16244A: Similar 16-bit buffer/line driver with 3.