74LVC245ABQ,115

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level shifting and voltage translation
• Characteristics: High-speed CMOS technology, low power consumption, wide operating voltage range
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Bidirectional octal bus transceiver with 3-state outputs
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: -0.5V to VCC + 0.5V
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +125°C
• Input Capacitance: 4.5pF
• Output Capacitance: 6pF
• Propagation Delay: 2.8ns (typical)

Detailed Pin Configuration

The 74LVC245ABQ,115 IC has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) - Output enable input
2. A1 - Data input/output pin 1
3. B1 - Data input/output pin 2
4. A2 - Data input/output pin 3
5. B2 - Data input/output pin 4
6. A3 - Data input/output pin 5
7. B3 - Data input/output pin 6
8. A4 - Data input/output pin 7
9. B4 - Data input/output pin 8
10. GND - Ground
11. B5 - Data input/output pin 9
12. A5 - Data input/output pin 10
13. B6 - Data input/output pin 11
14. A6 - Data input/output pin 12
15. B7 - Data input/output pin 13
16. A7 - Data input/output pin 14
17. B8 - Data input/output pin 15
18. A8 - Data input/output pin 16
19. VCC - Power supply
20. DIR (Direction) - Direction control input

Functional Features

• Bidirectional data transfer between two independent buses
• 3-state outputs for bus isolation
• High-speed operation with low power consumption
• Compatible with various logic families
• Schmitt-trigger action on all inputs for noise immunity

Advantages and Disadvantages

Advantages: - Wide operating voltage range allows compatibility with different systems - High-speed CMOS technology enables fast data transfer - Low power consumption for energy-efficient applications - 3-state outputs provide bus isolation and flexibility in system design

Disadvantages: - Limited number of data input/output pins (8-bit)

Working Principles

The 74LVC245ABQ,115 is a bidirectional octal bus transceiver that facilitates level shifting and voltage translation between two independent buses. It operates using high-speed CMOS technology, allowing for fast data transfer while consuming low power. The device features 3-state outputs, which can be used to isolate the bus when necessary.

The direction of data flow is controlled by the DIR (Direction) pin. When DIR is set to logic high, data is transferred from the A bus to the B bus. Conversely, when DIR is set to logic low, data is transferred from the B bus to the A bus. The OE (Output Enable) pin is used to enable or disable the outputs.

The inputs of the 74LVC245ABQ,115 have Schmitt-trigger action, providing noise immunity and ensuring reliable operation even in noisy environments.

Detailed Application Field Plans

The 74LVC245ABQ,115 is commonly used in various applications that require level shifting and voltage translation between different logic families or systems. Some of the typical application fields include:

1. Microcontroller interfacing: The IC can be used to interface microcontrollers with different voltage levels, allowing seamless communication between them.
2. Bus buffering: It can act as a buffer between two buses operating at different voltages, ensuring proper signal integrity during data transfer.
3. Communication systems: The IC facilitates voltage translation in communication systems, enabling compatibility between devices with different voltage requirements.
4. Industrial automation: It finds applications in industrial automation systems where different components operate at varying voltage levels.

Detailed and Complete Alternative Models

• SN74LVC245APWR
• MC74LVC245ADWR2G
• CD74LVC245M96
• 74LVC245APW,118
• TC74LVC245FT

These alternative models offer similar functionality and can be used as replacements for the 74LVC245ABQ,115 in various applications.

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