74LVT245MTCX

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74LVT245MTCX

BUS TRANSCEIVER, LVT SERIES, 1-F

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規格

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 bus transceiver designed for high-speed data transfer in digital systems. It operates with a 3.3V supply voltage and is compatible with both 3.3V and 5V logic levels, making it versatile for various applications. This device features two 8-bit buses, allowing bidirectional data flow between two devices, making it ideal for interfacing between different components in a system.
The 74LVT245 includes control pins for enabling data transmission, which helps manage bus contention and ensures data integrity. It also incorporates a high drive capability, which allows it to drive larger capacitive loads, enhancing its performance in high-speed applications.
Common applications include memory interfacing, data buffering, and communication between microcontrollers and peripheral devices. Its low power consumption and fast switching speeds make it suitable for modern electronic designs where efficiency is critical. Overall, the 74LVT245MTCX is a reliable choice for designers seeking robust data handling solutions in digital circuits.

Features

The 74LVT245MTCX is a high-speed, low-voltage, octal bus transceiver designed for data transmission between two buses. Key features include:
1. Dual Directionality: Allows data flow in both directions (A to B and B to A).
2. 8-Bit Configuration: Contains eight data lines for parallel data transfer.
3. Low Voltage Operation: Designed to operate at 3.3V logic levels, suitable for modern digital circuits.
4. High-Drive Outputs: Can drive TTL and CMOS loads, providing robust signal integrity.
5. Tri-State Outputs: Outputs can be placed in a high-impedance state, allowing for bus sharing.
6. Fast Switching Speeds: Supports high-frequency applications with typical propagation delays of around 3.5 ns.
7. Latch Functionality: Features a latch to hold data when needed.
8. Pin Configuration: Available in a compact TSSOP package for space-constrained applications.
This versatility makes the 74LVT245MTCX ideal for interfacing between different logic levels and for use in various communication protocols.

Package

The 74LVT245MTCX is packaged in a TSSOP (Thin Shrink Small Outline Package) with 20 pins. It is designed for surface-mount applications, providing a compact footprint for integrated circuits.

Pinout

The 74LVT245MTCX is a 3-state bus transceiver with a total of 20 pins. It features two sets of 8 data input/output lines (A and B) and is designed for asynchronous data transfer between two buses. The key functions include:
- Direction Control (DIR): Determines the direction of data flow. When DIR is high, data flows from A to B; when low, data flows from B to A.
- Output Enable (OE): Activates or deactivates the output buffers. When OE is low, the outputs are enabled; when high, they are in a high-impedance state.
- Data Inputs/Outputs (A1-A8, B1-B8): These pins handle the actual data transfer.
The device is commonly used in applications requiring data buffering and level shifting between different voltage systems.

Manufacturer

The manufacturer of the 74LVT245MTCX is Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, widely recognized for its contributions to electronics, including analog and digital signal processing, embedded systems, and microcontrollers. Founded in 1930, TI is a major player in the semiconductor industry, serving a broad range of markets, including automotive, industrial, communications, and consumer electronics. The company is known for its innovation and has a strong presence in the development of electronic components used in a variety of applications.

Application

The 74LVT245MTCX is an 8-bit transceiver designed for data communication in high-speed applications. It is commonly used in bus-oriented systems, such as data routing between microcontrollers, memory interfacing, and signal buffering in digital circuits. Additionally, it is suitable for interfacing between different voltage levels in mixed-voltage systems, and is frequently utilized in networking devices and telecommunications for reliable data transmission.

Equivalent

The 74LVT245MTCX is a 5V octal buffer/driver with 3-state outputs. Equivalent products include:
1. 74LV245 - Similar function with lower voltage.
2. 74LVC245 - 3.3V variant.
3. 74ALS245 - BiCMOS version for higher speed.
4. 74HCT245 - TTL-compatible version.
Always verify the specific pin configurations and voltage levels for your application.

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