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TC74VHC245FT
+BOMBus Transceivers Octal BUS Transceiver
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メーカー東芝
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メーカー品番 #TC74VHC245FT
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データシート TC74VHC245FT DataSheet
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在庫状況18879
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Standard Pack Qty | 2000 |
概要
Description
The TC74VHC245FT operates over a wide voltage range, typically from 2V to 5.5V, and is compatible with TTL input levels, making it versatile for use in both 3.3V and 5V systems. It provides high noise immunity and low static power dissipation, contributing to its efficiency and reliability. The IC is fabricated using advanced silicon-gate CMOS technology, enhancing its performance and reducing the propagation delay compared to standard CMOS devices. It is commonly used in digital systems for buffering, memory interfacing, and bus driving applications.
Equivalent
1. 74HC245 by NXP
2. SN74HC245 by Texas Instruments
3. MC74HC245 by ON Semiconductor
4. CD74HC245 by Texas Instruments
5. Fairchild's 74VHC245
These alternatives offer similar functionality but ensure to check datasheets for exact specifications and compatibility.
Features
1. High-Speed Operation: Supports fast data transfer rates, making it suitable for high-performance applications.
2. Low Power Consumption: Operates with reduced power usage compared to older technologies, enhancing efficiency.
3. Bidirectional Data Flow: Features direction control for seamless data management in both directions.
4. 3-State Outputs: Allows bus line management by placing outputs in a high-impedance state, facilitating bus sharing.
5. Wide Operating Voltage Range: Operates effectively within a voltage range, typically from 2.0V to 5.5V, accommodating various system requirements.
6. Logic Level Compatibility: Interfaces easily with TTL inputs, increasing versatility in mixed-signal environments.
7. Compact Package: Available in a TSSOP package, benefiting space-constrained applications.
8. Latch-Up Performance: Designed with improved latch-up immunity, ensuring reliability under electrical stress.
These attributes make the TC74VHC245FT suitable for use in computing, telecommunication, and consumer electronics that require efficient data transfer and bus control.
Pinout
Key pins include:
- DIR (Direction Control): Determines the direction of data flow.
- OE (Output Enable): When low, the device is enabled; when high, outputs are in a high-impedance state.
- A0-A7/B0-B7: These are the bidirectional data pins for bus A and bus B, respectively.
The device operates on a power supply voltage (VCC) typically around 5V, and it is designed for high-speed operation. The TC74VHC245FT is part of the VHC series, which supports CMOS technology to achieve high-speed and low power consumption.
Manufacturer
Application
1. Data Communication: Facilitates bidirectional data transfer between different parts of a digital system.
2. Bus Isolation: Used to isolate different sections of a bus system to avoid interference.
3. Level Shifting: Converts signal levels between different voltage domains.
4. Buffering: Provides drive strength to weak signals for improved transmission over longer distances.
5. Memory and Peripherals Expansion: Connects processors to additional memory or peripheral devices.
These features make it suitable for use in computing, telecommunications, and consumer electronics.