規格
| 屬性 | 價值 |
| Package | Bulk |
| Series | 74LVT |
| ProductStatus | Active |
| LogicType | Transceiver, Non-Inverting |
| NumberofElements | 1 |
| NumberofBitsperElement | 8 |
| OutputType | 3-State |
| Current-OutputHighLow | 32mA, 64mA |
| Voltage-Supply | 2.7V ~ 3.6V |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 20-TSSOP (0.173, 4.40mm Width) |
概述
Description
The 74LVT245MTCX is an octal transceiver with 3-state outputs, part of the 74LVT series. It is designed for asynchronous two-way communication between data buses. The device features eight bidirectional buffers, allowing for data flow in both directions, controlled by a directional input (DIR). A separate output enable (OE) input controls the 3-state outputs, making it possible to isolate the buses when necessary.
This transceiver operates with a low-voltage TTL logic level, suitable for modern digital systems. It is designed to minimize power consumption while providing high-speed data transfer. The 74LVT245MTCX is commonly used in applications that require driving bus lines or buffering memory address data, such as in computers, networking equipment, and other digital systems.
With a robust design, it supports a wide range of operating conditions. It is packaged in a small-outline integrated circuit (SOIC) package, making it suitable for space-constrained applications. Its features, including bidirectional communication and high-speed operation, make it a versatile component in digital circuit design.
This transceiver operates with a low-voltage TTL logic level, suitable for modern digital systems. It is designed to minimize power consumption while providing high-speed data transfer. The 74LVT245MTCX is commonly used in applications that require driving bus lines or buffering memory address data, such as in computers, networking equipment, and other digital systems.
With a robust design, it supports a wide range of operating conditions. It is packaged in a small-outline integrated circuit (SOIC) package, making it suitable for space-constrained applications. Its features, including bidirectional communication and high-speed operation, make it a versatile component in digital circuit design.
Equivalent
The 74LVT245MTCX is a high-performance bus transceiver. Equivalent products or alternatives include:
1. SN74LVT245 from Texas Instruments
2. 74LVC245 from Nexperia
3. 74HC245 from ON Semiconductor
4. 74AHCT245 from Microchip Technology
These chips offer similar functionality, being octal bus transceivers with 3-state outputs, though specs may vary. It's important to check datasheets for exact compatibility in your application.
1. SN74LVT245 from Texas Instruments
2. 74LVC245 from Nexperia
3. 74HC245 from ON Semiconductor
4. 74AHCT245 from Microchip Technology
These chips offer similar functionality, being octal bus transceivers with 3-state outputs, though specs may vary. It's important to check datasheets for exact compatibility in your application.
Features
The 74LVT245MTCX is a high-performance, low-voltage octal bus transceiver with 3-state outputs. Key features include:
1. Low Voltage Operation: Functions optimally between 2.7V to 3.6V power supply, making it suitable for low-power applications.
2. High-Speed Performance: Designed for enhanced switching speeds with reduced power consumption compared to standard logic families.
3. Bidirectional Data Flow: Allows for data transfer in both directions between buses, which is controlled through a direction pin.
4. 3-State Outputs: Offers output enable control, allowing the outputs to be disabled, effectively isolating the device from the bus.
5. Drive Capability: Features strong drive capability, suitable for driving up to 64 LVT or 30 LS TTL loads.
6. Pin and Function Compatibility: Compatible with standard 74 series logic devices, simplifying integration into existing designs.
7. Latch-Up Protection: Supports over ±500mA of latch-up immunity, enhancing reliability.
8. ESD Protection: Equipped with Electrostatic Discharge protection exceeding 2000V, ensuring robustness against static discharge events.
These features make the 74LVT245MTCX an ideal choice for applications requiring efficient and reliable data communication between different sections of a system.
1. Low Voltage Operation: Functions optimally between 2.7V to 3.6V power supply, making it suitable for low-power applications.
2. High-Speed Performance: Designed for enhanced switching speeds with reduced power consumption compared to standard logic families.
3. Bidirectional Data Flow: Allows for data transfer in both directions between buses, which is controlled through a direction pin.
4. 3-State Outputs: Offers output enable control, allowing the outputs to be disabled, effectively isolating the device from the bus.
5. Drive Capability: Features strong drive capability, suitable for driving up to 64 LVT or 30 LS TTL loads.
6. Pin and Function Compatibility: Compatible with standard 74 series logic devices, simplifying integration into existing designs.
7. Latch-Up Protection: Supports over ±500mA of latch-up immunity, enhancing reliability.
8. ESD Protection: Equipped with Electrostatic Discharge protection exceeding 2000V, ensuring robustness against static discharge events.
These features make the 74LVT245MTCX an ideal choice for applications requiring efficient and reliable data communication between different sections of a system.
Pinout
The 74LVT245MTCX is an octal bidirectional transceiver with 3-state outputs, commonly used for asynchronous two-way data communication between data buses. It is part of the LVT (Low Voltage Technology) family, which is optimized for low voltage operation.
Pin Count and Functions:
- 20 Pins Total: The 74LVT245MTCX comes in a 20-pin TSSOP (Thin Shrink Small Outline Package) package.
- Pin Configuration:
- Inputs/Outputs (I/O): 8 data lines (A1-A8 and B1-B8) used for bidirectional data transfer.
- Direction Control (DIR): Determines the direction of data flow. When high, data flows from A to B; when low, from B to A.
- Output Enable (\( \overline{OE} \)): When low, the transceiver is enabled, allowing data transfer. When high, all outputs are in a high-impedance state, effectively disconnecting them from the network.
- Power Supply (VCC) and Ground (GND): Standard power supply pin and ground connection for operation.
This device is suitable for a variety of digital applications requiring bi-directional data transfer and level shifting, given its ability to interface between buses with different levels.
Pin Count and Functions:
- 20 Pins Total: The 74LVT245MTCX comes in a 20-pin TSSOP (Thin Shrink Small Outline Package) package.
- Pin Configuration:
- Inputs/Outputs (I/O): 8 data lines (A1-A8 and B1-B8) used for bidirectional data transfer.
- Direction Control (DIR): Determines the direction of data flow. When high, data flows from A to B; when low, from B to A.
- Output Enable (\( \overline{OE} \)): When low, the transceiver is enabled, allowing data transfer. When high, all outputs are in a high-impedance state, effectively disconnecting them from the network.
- Power Supply (VCC) and Ground (GND): Standard power supply pin and ground connection for operation.
This device is suitable for a variety of digital applications requiring bi-directional data transfer and level shifting, given its ability to interface between buses with different levels.
Manufacturer
The 74LVT245MTCX is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components and systems. Known for its innovation and leadership in the electronics industry, TI produces a variety of products, including analog and embedded processing chips, which are used in applications across automotive, industrial, personal electronics, communications, and enterprise systems. The company is headquartered in Dallas, Texas, and has operations worldwide.
Application
The 74LVT245MTCX is a transceiver IC commonly used in digital electronics for bus interfacing applications. It is suitable for applications requiring bidirectional data flow control between buses, such as in computers and communication devices. Its ability to handle multiple data lines makes it ideal for buffering and driving heavy loads. The IC is also used in memory interfacing, data acquisition systems, and microcontroller-based systems for efficient data transfer. Additionally, the 74LVT245MTCX is utilized in systems requiring level shifting and isolation between different voltage domains, enhancing signal integrity and system reliability.
Package
The 74LVT245MTCX is an octal bus transceiver with 3-state outputs, and it comes in a TSSOP (Thin Shrink Small Outline Package) with 20 pins. This package type is compact, allowing for efficient use of space on printed circuit boards.