SN74ACT245PW

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SN74ACT245PW

IC TXRX NON-INVERT 5.5V 20TSSOP

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仕様

Package Tube
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)

概要

Description

The SN74ACT245PW is an octal buffer/driver designed for high-speed digital applications. It features two separate 8-bit data paths, allowing it to function as a bidirectional data bus transceiver, making it ideal for connecting two devices with different voltage levels. The device operates with a supply voltage of 4.5V to 5.5V and offers fast propagation delay, typically around 5 ns at 5V, which enhances its performance in high-speed applications.
Designed with low power consumption and high noise immunity, the SN74ACT245PW is suitable for use in various applications, including data communication and signal buffering in computer systems. The device includes control pins for direction and enable functions, facilitating easy integration into circuits. Its wide temperature range and industry-standard packaging make it a versatile choice for engineers looking to ensure reliable data transmission in their designs.

Features

The SN74ACT245PW is an octal bus transceiver designed for bidirectional data transmission between two buses. Key features include:
1. High-Speed Operation: It supports data transfer rates up to 125 Mbps.
2. Low Power Consumption: It operates with a low supply current, making it energy-efficient.
3. Dual Directionality: The transceiver can drive data between two different voltage levels and allows data flow in both directions.
4. Enable Control: The transceiver includes an active-low output enable (OE) for disabling the outputs, facilitating control over data transmission.
5. Voltage Levels: It operates with supply voltages from 4.5V to 5.5V, compatible with TTL and CMOS logic levels.
6. Input Protection: Features integrated protection against electrostatic discharge (ESD).
7. Wide Temperature Range: Suitable for industrial applications with a temperature range of -40°C to +125°C.
Overall, the SN74ACT245PW is ideal for applications requiring reliable data transfer in computing and communication systems.

Package

The SN74ACT245PW is packaged in a TSSOP (Thin Shrink Small Outline Package) with 20 pins.

Pinout

The SN74ACT245PW is an 8-bit transceiver with a pin count of 20. It is designed for asynchronous data transmission between two buses. The device features data direction control and operates with a voltage supply range of 4.5V to 5.5V.
Key functions include:
- Data Bus: It has 8 data input/output pins (A1-A8, B1-B8) for bi-directional data transfer.
- Direction Control: The DIR pin determines the direction of data flow; when high, data is sent from A to B, and when low, data flows from B to A.
- Output Enable (OE): This pin, when low, enables the outputs, allowing data transmission; when high, it disables the outputs to minimize power consumption.
- Power Supply Pins: VCC and GND provide the required power to the logic circuits.
This device is widely used in applications requiring level shifting or data buffering between different logic families.

Manufacturer

The SN74ACT245PW is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are used in a wide range of electronic applications. Founded in 1930, TI is known for its innovation in analog and digital signal processing, as well as embedded processing. The company serves various markets, including automotive, industrial, communications, and consumer electronics. TI is recognized for its commitment to quality and reliability in electronic components, making it a key player in the semiconductor industry.

Application

The SN74ACT245PW is a bi-directional transceiver used for data communication between devices. Its application areas include:
1. Bus Interface: Connecting data buses in microcontroller and microprocessor systems.
2. Data Transmission: Facilitating communication between different logic levels.
3. Peripheral Connection: Linking peripherals like sensors and displays in embedded systems.
4. Level Shifting: Converting signals between different voltage levels in mixed-logic environments.
5. Multi-Point Communication: Supporting multiple devices on a shared bus for efficient data exchange.

Equivalent

Equivalent products to the SN74ACT245PW include the SN74AHCT245, SN74LVC245A, and 74HC245. These chips also function as octal bus transceivers with similar logic levels and features but may vary in voltage range, drive capability, and speed. Always check the specific datasheets for compatibility in your application.

出荷

出荷方法私たち

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出荷料参照（DHL/FedEx）:

DHL の: 配送費は25ドル〜45ドル（0.5kg）の範囲で、推定配送時間は2〜5営業日です。

フェデックス: 配送費は25ドル〜40ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

UPS の: 配送費は25ドル〜45ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

TNT社: 配送費は25ドル〜65ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

EMS: 配送料金は30〜50ドル（0.5kg）の範囲で、推定配送時間は7〜15営業日です。

登録航空郵便: 配送費は2〜4ドル（0.1kg）で、推定配送時間は5〜20営業日です。

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