SN74HC245PWR

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SN74HC245PWR

+BOM

IC TXRX NON-INVERT 6V 20TSSOP

365 1일 품질 보증

7*24 영업 시간 서비스 보증

90-판매 후 1일 보증

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사양

속성 가치
Package Tape & Reel (TR),Cut Tape (CT)
Series 74HC
ProductStatus Active
LogicType Transceiver, Non-Inverting
NumberofElements 1
NumberofBitsperElement 8
OutputType 3-State
Current-OutputHighLow 7.8mA, 7.8mA
Voltage-Supply 2V ~ 6V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 20-TSSOP (0.173, 4.40mm Width)

개요

Description

The SN74HC245PWR is a high-speed CMOS device from the 74HC logic family, designed for bi-directional data communication. It is an octal bus transceiver, meaning it can handle eight bits of data simultaneously. The device is often used to interface between data buses of differing voltage levels or to isolate various sections of a circuit.
Key features include:
1. Voltage Range: Operates on a supply voltage range from 2V to 6V, making it versatile for different applications.
2. Direction Control: It has a direction control pin, allowing data to flow from A-to-B or B-to-A, enabling flexible data management.
3. Output Enable: Includes an output enable pin to place the outputs in a high-impedance state, effectively disconnecting the outputs for bus isolation.
4. Low Power Consumption: Utilizes CMOS technology for minimal power use while maintaining fast operation.
5. High Noise Immunity: Offers good noise margin due to its CMOS structure.
The SN74HC245PWR is typically used in digital systems, microcontrollers, and other applications requiring controlled data flow between different parts of a system.

Equivalent

The SN74HC245PWR is an octal bus transceiver with 3-state outputs. Equivalent products include:
1. 74HC245 from other manufacturers (e.g., NXP, STMicroelectronics)
2. 74HCT245 for slightly different voltage levels
3. CD74HC245 from Texas Instruments
4. MC74HC245 from ON Semiconductor
These alternatives generally offer similar functionality and pin compatibility, but check specific datasheets for exact specifications and compatibility.

Features

The SN74HC245PWR is an octal bus transceiver with 3-state outputs, designed for asynchronous two-way data communication between data buses. Key features include:
1. High-Speed Operation: It is part of the HC family, providing high-speed CMOS logic with low power consumption.
2. 3-State Outputs: The device has three-state outputs, which allow multiple transceivers to be connected to a common bus.
3. Bidirectional Data Flow: It supports bidirectional data transfer, facilitating communication between buses.
4. Wide Voltage Range: Operates over a wide voltage range of 2V to 6V, making it versatile for different applications.
5. Low Power Consumption: Features low power dissipation, which is ideal for battery-operated devices.
6. Output Drive Capability: Can drive up to 15 LSTTL loads, suitable for interfacing with TTL and other types of logic.
7. Propagation Delay: Offers a typical propagation delay of around 13 ns at 5V.
8. Package Type: Available in a TSSOP package, which is compact and suitable for space-constrained designs.
This combination of features makes the SN74HC245PWR suitable for various applications requiring efficient data transfer and bus interfacing.

Pinout

The SN74HC245PWR is an 8-bit bidirectional transceiver with three-state outputs. It is part of the 74HC series of high-speed CMOS devices. The "PWR" suffix indicates that it is a TSSOP (Thin Shrink Small Outline Package) version.
- Pin Count: The SN74HC245PWR has 20 pins.
- Function: This device is used for asynchronous two-way data communication between data buses. It features an output enable (OE) pin and a direction control (DIR) pin to manage the direction of data flow. When OE is low, the device is enabled, and data can flow from A to B when DIR is high, or from B to A when DIR is low. When OE is high, the outputs are in a high-impedance state, effectively isolating the bus from the device, allowing for multiple units to share the same data bus without interference.
The SN74HC245PWR is typically used in digital circuits for bus interfacing, where control over data direction and isolation are required.

Manufacturer

The SN74HC245PWR is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. TI is one of the largest and most established companies in the semiconductor industry, providing a wide range of products for the electronics market, including analog and digital embedded processing components. The company is known for its contributions to innovation in fields such as signal processing, power management, and microcontroller systems. Texas Instruments serves a broad spectrum of industries, including consumer electronics, automotive, industrial, and communications.

Application

The SN74HC245PWR is an octal bus transceiver used in digital circuits for bidirectional data transfer between buses. Key application areas include microprocessor and microcontroller interfacing, memory and I/O expansion, and data management in communication systems. It is commonly used in embedded systems and computer architectures for level shifting and buffering to ensure signal integrity and drive capability across different parts of a circuit. The device's high-speed CMOS technology makes it suitable for applications requiring low power consumption and efficient signal routing.

Package

The SN74HC245PWR is a 20-pin TSSOP (Thin Shrink Small Outline Package) type. It's a part of Texas Instruments' SN74HC series, designed for high-speed CMOS logic devices. The 'PWR' suffix indicates the tape and reel packaging for automated assembly systems.

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