74VHC245FT

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74VHC245FT

IC TXRX NON-INVERT 5.5V 20TSSOP

100% gốc & amp; Mới

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Bảo hành 365 ngày

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Thông số kỹ thuật

Package Tape & Reel (TR),Cut Tape (CT)
Series 74VHC
ProductStatus Active
LogicType Transceiver, Non-Inverting
NumberofElements 1
NumberofBitsperElement 8
OutputType 3-State
Current-OutputHighLow 8mA, 8mA
Voltage-Supply 2V ~ 5.5V
OperatingTemperature -40°C ~ 125°C (TA)
MountingType Surface Mount
Package/Case 20-TSSOP (0.173, 4.40mm Width)

Tổng quan

Description

The 74VHC245FT is an octal buffer/driver with three-state outputs, designed for high-speed applications. It operates with a supply voltage range of 2.0V to 5.5V, making it compatible with various logic levels. The device features two 4-bit input/output ports, allowing for bidirectional data transmission. Its three-state outputs enable multiple devices to share the same bus, reducing the potential for signal contention.
The 74VHC245FT is characterized by low propagation delay and high noise immunity, making it suitable for high-performance digital circuits. It is widely used in applications such as data communication, memory buffering, and interfacing between different logic families. The device is available in various packages, including SOIC, and is designed to be pin-compatible with the 74HC245 series, ensuring easy integration into existing designs. Overall, the 74VHC245FT is an essential component for implementing efficient and reliable data transmission in modern electronic systems.

Features

The 74VHC245FT is a high-speed CMOS buffer/driver with 3-state outputs. Key features include:
1. High-Speed Operation: Capable of operating at speeds up to 7 ns at Vcc = 5V, suitable for high-performance applications.
2. Wide Supply Voltage Range: Operates from 2.0V to 5.5V, providing flexibility in different circuit designs.
3. 3-State Outputs: The outputs can be disabled, allowing for connection to a common bus without interference.
4. Low Power Consumption: Consumes low static power, making it efficient for battery-operated devices.
5. High Noise Immunity: Features a typical Vnih of 28% of Vcc, ensuring reliable performance in noisy environments.
6. TTL Compatible: Compatible with TTL levels, making it suitable for interfacing with various logic families.
7. Wide Temperature Range: Suitable for operation from -40°C to +125°C, ensuring reliability in diverse conditions.
Overall, the 74VHC245FT is ideal for data transmission in high-speed digital applications.

Package

The 74VHC245FT is typically packaged in an SOIC (Small Outline Integrated Circuit) package, specifically in a 20-lead surface-mount configuration. This allows for efficient use of space on printed circuit boards while providing reliable electrical connections.

Pinout

The 74VHC245FT is an 8-bit high-speed CMOS bus transceiver with three-state outputs. It has a total of 20 pins.
Pin Functions:
1. A1-A8 (Pins 2-9): Data inputs from the A bus.
2. B1-B8 (Pins 13-20): Data outputs to the B bus.
3. DIR (Pin 1): Direction control pin; determines the data flow (A to B or B to A).
4. OE (Pin 19): Output enable; when LOW, outputs are enabled; when HIGH, outputs are in a high-impedance state.
5. GND (Pin 10): Ground connection.
6. VCC (Pin 20): Power supply connection.
This device can facilitate data transfer between two buses, making it useful in various digital applications like data routing and interfacing between different logic levels.

Manufacturer

The manufacturer of the 74VHC245FT is Texas Instruments (TI). Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits, which are used in a wide range of electronic devices. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its innovation in analog and embedded processing technologies. The company serves diverse markets, including automotive, industrial, communications, consumer electronics, and personal electronics, providing solutions that enhance functionality and performance in electronic designs. TI is recognized as a leading player in the semiconductor industry, with a strong focus on research and development.

Application

The 74VHC245FT is a high-speed CMOS bus transceiver used in various applications such as data communication, signal buffering, and level shifting between different voltage systems. It is commonly employed in microcontroller interfacing, memory interfacing, and digital logic circuits in computing and telecommunications. Its ability to drive multiple loads makes it suitable for networking and peripheral component interconnect (PCI) applications.

Equivalent

The 74VHC245FT is a high-speed, octal buffer/driver with 3-state outputs. Equivalent products include:
1. 74AHC245
2. 74HCT245
3. 74LVC245
4. 74LVX245
These alternatives may feature varying voltage levels, speed, and logic family compatibility, so ensure they meet specific requirements for your application.

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