SN74ACT245PWR

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SN74ACT245PWR

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IC TXRX NON-INVERT 5.5V 20TSSOP

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Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
Series 74ACT
ProductStatus Active
LogicType Transceiver, Non-Inverting
NumberofElements 1
NumberofBitsperElement 8
OutputType 3-State
Current-OutputHighLow 24mA, 24mA
Voltage-Supply 4.5V ~ 5.5V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 20-TSSOP (0.173, 4.40mm Width)

Übersicht

Description

The SN74ACT245PWR is an octal bus transceiver with 3-state outputs, designed for asynchronous two-way communication between data buses. It features a wide operating voltage range of 4.5V to 5.5V and is part of the ACT (Advanced CMOS Technology) family, offering high-speed operation and low power consumption. This device is typically used in applications requiring a bidirectional interface between two data buses, such as in memory systems, microprocessor-based systems, and peripheral interfaces.
Key features include:
- Eight bidirectional transceivers.
- 3-state outputs, allowing multiple devices to share the same bus.
- Output-enable (OE) control, which can disable the outputs to prevent bus contention.
- Direction (DIR) control, setting the direction of data flow through the device.
- Low power consumption and TTL-compatible inputs.
The SN74ACT245PWR comes in a TSSOP (Thin Shrink Small Outline Package), making it suitable for space-constrained applications. It's widely appreciated for its reliability and efficiency in digital systems requiring robust bus interfacing capabilities.

Equivalent

The SN74ACT245PWR is an octal bus transceiver with 3-state outputs, commonly used for interfacing data buses. Equivalent products can include:
1. 74HC245 from NXP or ON Semiconductor
2. 74ALS245 from various manufacturers
3. 74F245 from Fairchild or other manufacturers
4. 74LVC245 from Texas Instruments or NXP
These equivalents should be checked for compatibility in terms of logic family, power supply voltage, and timing requirements. Always verify the datasheets for specific parameters matching your application.

Features

The SN74ACT245PWR is an octal bus transceiver with 3-state outputs designed for asynchronous two-way communication between data buses. Key features include:
1. High-Speed CMOS Technology: It supports high-speed data transfer rates.
2. 3-State Outputs: Allows for bidirectional communication and optimal bus driving capabilities.
3. Wide Operating Voltage: Compatible with 4.5V to 5.5V power supply.
4. Output Drive Capability: Provides a high drive capability of ±24 mA, suitable for driving heavy loads.
5. Low Power Consumption: Uses advanced CMOS technology to reduce power usage.
6. Input Protection: Features input clamping diodes to protect against electrostatic discharge.
7. Latch-Up Performance: Exhibits strong latch-up immunity, exceeding 100 mA per JEDEC standard.
8. Temperature Range: Operates within a temperature range of -40°C to 85°C, making it suitable for industrial applications.
9. Compact Package: Available in a 20-pin TSSOP package, optimizing space on the PCB.
These features make the SN74ACT245PWR ideal for applications requiring efficient data management and communication across multiple buses.

Pinout

The SN74ACT245PWR is a member of the 74ACT245 family, which is an octal bus transceiver with 3-state outputs. It is designed to operate as a bidirectional interface between data buses, providing a high-speed communication path. The device has 20 pins in a TSSOP (Thin Shrink Small Outline Package) configuration.
Key functions and pin details include:
- Pins 1, 19 (DIR, OE): Direction control and output enable; DIR determines the direction of data flow, while OE enables or disables the transceiver.
- Pins 2-9 (A1-A8): Data inputs/outputs for the A bus.
- Pins 11-18 (B1-B8): Data inputs/outputs for the B bus.
- Pin 10 (GND): Ground connection.
- Pin 20 (VCC): Power supply pin.
The device enables the data flow from A to B or B to A depending on the state of the DIR pin while OE controls whether the outputs are enabled or in a high-impedance state, making it suitable for bus-oriented applications.

Manufacturer

The SN74ACT245PWR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that specializes in designing and manufacturing semiconductors and integrated circuits. These products are used in a wide range of electronic applications, including consumer electronics, automotive, industrial equipment, and communications devices. TI is renowned for its innovation in analog and embedded processing products, and it is one of the largest semiconductor companies in the world.

Application

The SN74ACT245PWR is an octal bus transceiver designed for asynchronous two-way communication between data buses. Its primary application areas include memory and I/O interfacing in computers, microprocessor-based systems, and digital signal processing. It is suitable for applications requiring signal level translation and buffering, such as driving capacitive or high-load data lines. The device is often used in communication systems, data acquisition, and embedded systems where bidirectional data flow with minimal propagation delay is essential. Its ability to isolate different sections of a circuitry can protect sensitive components from high current or voltage damage, making it valuable in various electronic and industrial applications.

Package

The SN74ACT245PWR is a 20-pin TSSOP (Thin Shrink Small Outline Package). It is a surface-mount package type used for integrated circuits, offering a compact and reliable solution for electronic applications.

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