74VHC245FT

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74VHC245FT

+Nomenclature

IC TXRX NON-INVERT 5.5V 20TSSOP

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Spécifications

Attribut Valeur
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)

Présentation

Description

The 74VHC245FT is a high-speed CMOS octal bus transceiver with three-state outputs. It is part of the 74VHC series, designed for low power consumption and high performance. The device functions as a bidirectional bus transceiver, allowing data flow in both directions between two buses, with the direction controlled by a DIR pin. An OE (Output Enable) pin is used to enable or disable the outputs, allowing for bus isolation when required.
Key features include a wide operating voltage range from 2.0V to 5.5V, high-speed operation, and low power consumption, making it suitable for battery-powered applications. The 74VHC245FT is typically used in communication between microcontrollers, memory systems, and other digital systems where data integrity and speed are critical. The device is available in various package types to suit different application needs. It's essential for designers to consult the data sheet for detailed specifications and ensure compatibility with other components in their design.

Equivalent

The 74VHC245FT is a high-speed CMOS octal bus transceiver. Equivalent products include:
1. Texas Instruments SN74HC245
2. NXP Semiconductors 74HC245
3. ON Semiconductor MC74HC245
4. Fairchild Semiconductor 74HC245
5. Microchip Technology 74ACT245
These alternatives generally offer similar functionality but may have differences in performance specifications, packaging, or power characteristics, so it's important to consult the datasheets to ensure compatibility with your application.

Features

The 74VHC245FT is an octal bus transceiver with 3-state outputs, designed for asynchronous two-way communication between data buses. Key features include:
1. High-Speed Operation: It offers fast data transfer rates, suitable for high-performance systems.
2. 3-State Outputs: Allows for bus line driving capability and bidirectional data flow.
3. Wide Supply Voltage Range: Operates across a range of 2.0V to 5.5V, making it versatile for various applications.
4. Low Power Consumption: Designed to minimize power usage, making it efficient for battery-operated devices.
5. TTL-Compatible Inputs: Ensures compatibility with TTL logic levels.
6. Input and Output Isolation: Protects the device and connected components from transient signals.
7. Latch-Up and ESD Protection: Offers enhanced reliability and robustness against electrical overstress.
These features make the 74VHC245FT ideal for use in buffering and aligning data in microcontroller and microprocessor systems.

Pinout

The 74VHC245FT is a high-speed CMOS octal bus transceiver with 3-state outputs. It is typically used for asynchronous communication between data buses. This IC features 20 pins and provides bidirectional data transmission between two buses. The key functions include:
- Pin Count: 20 pins.

- Key Functions:
- Bidirectional Data Flow: Allows data transfer in both directions between two buses.
- 3-State Outputs: Provides high-impedance state, allowing for connection to multiple outputs without interference.
- Direction Control (DIR): A control input that determines the direction of data flow; if DIR is high, data flows from A to B, and if low, from B to A.
- Output Enable (OE): A control input used to enable or disable the outputs; when OE is high, outputs are in a high-impedance state.
The 74VHC245FT is used in applications requiring bus interface and buffer capabilities, ensuring high-speed data transfer with low power consumption.

Manufacturer

The 74VHC245FT is manufactured by Toshiba Electronic Devices & Storage Corporation. Toshiba is a well-established Japanese multinational company known for its diversified products and services, which span across various sectors such as electronics, semiconductors, storage devices, and information technology. The company is particularly recognized for its expertise in electronic components and semiconductors, playing a significant role in the development and manufacturing of integrated circuits and other electronic devices. Toshiba operates globally, providing innovative solutions and technologies to meet the demands of industries like automotive, industrial, and consumer electronics.

Application

The 74VHC245FT is a high-speed CMOS bidirectional transceiver with 3-state outputs, often used in applications requiring data bus interfacing. Key application areas include:
1. Microcontroller and Microprocessor Systems: Facilitates communication between different parts of digital systems.
2. Peripheral Device Interface: Connects peripheral devices with central processing units.
3. Memory Systems: Assists in data transfer between memory and processors.
4. Data Communication Systems: Used in systems requiring bidirectional data buffering.
5. Level Shifting: Can be employed for voltage level translation between different logic levels.
These features make it suitable for compact, high-speed digital applications.

Package

The 74VHC245FT is a high-speed CMOS octal bus transceiver with 3-state outputs. It typically comes in a TSSOP (Thin Shrink Small Outline Package) or SOP (Small Outline Package), making it suitable for compact circuit designs. Always refer to the specific datasheet for precise packaging details.

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