72V255LA20TF

Product Overview

• Category: Integrated Circuit
• Use: Voltage Level Translator
• Characteristics: High-speed, Low-voltage operation
• Package: TQFP (Thin Quad Flat Package)
• Essence: Translates voltage levels between different logic families
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 2.7V to 3.6V
• Logic Voltage Levels: 1.8V to 3.3V
• Number of Channels: 16
• Data Rate: Up to 100 Mbps
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 72V255LA20TF has a total of 48 pins arranged in a TQFP package. The pin configuration is as follows:

1. VCCA
2. GND
3. A1
4. B1
5. A2
6. B2
7. A3
8. B3
9. A4
10. B4
11. A5
12. B5
13. A6
14. B6
15. A7
16. B7
17. A8
18. B8
19. A9
20. B9
21. A10
22. B10
23. A11
24. B11
25. A12
26. B12
27. A13
28. B13
29. A14
30. B14
31. A15
32. B15
33. A16
34. B16
35. VCCB
36. GND
37. OE#
38. DIR
39. VREF
40. GND
41. VCCY
42. GND
43. Y1
44. Y2
45. Y3
46. Y4
47. Y5
48. Y6

Functional Features

• Bi-directional voltage level translation between 1.8V and 3.3V logic families.
• Automatic direction control with DIR pin.
• Output enable/disable control with OE# pin.
• High-speed operation up to 100 Mbps.
• Low power consumption.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - High-speed operation enables efficient data transfer. - Bi-directional translation simplifies interface design. - Low power consumption helps in energy-efficient applications.

Disadvantages: - Limited to voltage translation between 1.8V and 3.3V logic levels. - Not suitable for applications requiring translation between other voltage levels.

Working Principles

The 72V255LA20TF is a voltage level translator designed to facilitate communication between different logic families operating at different voltage levels. It uses a combination of level-shifting circuitry and bi-directional buffers to ensure proper translation of signals.

The DIR pin controls the direction of translation, allowing bidirectional communication. When DIR is set to logic high, the translation occurs from A-side (1.8V) to B-side (3.3V), and when DIR is low, the translation happens in the opposite direction.

The OE# pin enables or disables the outputs, providing control over the communication flow. When OE# is active (low), the outputs are enabled, and when it is inactive (high), the outputs are disabled.

Detailed Application Field Plans

The 72V255LA20TF finds applications in various fields where voltage level translation is required between 1.8V and 3.3V logic families. Some of the potential application areas include:

1. Microcontrollers and microprocessors interfacing.
2. Communication systems involving different voltage levels.
3. Industrial automation and control systems.
4. Consumer electronics devices.
5. Automotive electronics.

Detailed and Complete Alternative Models

1. SN74LVC1T45: Single-bit dual-supply bus transceiver.
2. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator.
3. TXB0108: 8-bit bidirectional voltage-level translator with automatic direction sensing.

These alternative models offer similar functionality and can be considered as alternatives to the 72V255LA20TF based on specific requirements and compatibility with the target system.

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