SN74AHC245DWR

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SN74AHC245DWR

IC TXRX NON-INVERT 5.5V 20-SOIC

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  • Mfr. Partie #SN74AHC245DWR
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Spécifications

Series 74AHC
Part Status Active
Base Product Number 74AHC245
Logic Type Transceiver, Non-Inverting
Number of Elements 1
Number of Bits per Element 8
Output Type 3-State
Current - Output High, Low 8mA, 8mA
Voltage - Supply 2V ~ 5.5V
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount
Package 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package 20-SOIC
Packaging Cut Tape (CT), Tape & Reel (TR)

Vue d'ensemble

Description

The SN74AHC245DWR is an octal transceiver designed for high-speed data transmission between two circuits. It operates with an output enable control, allowing the device to function as either a transmitter or receiver. This device supports a wide supply voltage range, typically from 2V to 5.5V, making it suitable for various applications in digital systems.
Key features include high-speed operation (up to 66 MHz at 5V), low power consumption, and compatibility with TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide Semiconductor) technologies. The transceiver has a tri-state output, which allows multiple devices to connect to a single bus without interference.
Its typical applications include data communication systems, memory interfacing, and other digital circuit designs requiring bidirectional data flow. The SN74AHC245DWR is available in a 20-pin TSSOP package, facilitating compact circuit designs. Overall, it is a versatile component for modern electronic systems requiring reliable signal transmission.

Features

The SN74AHC245DWR is an octal bus transceiver designed for high-speed data communication between devices. Key features include:
1. High-Speed Operation: Supports data rates up to 125 MHz, suitable for fast applications.
2. Wide Supply Voltage Range: Operates from 2V to 5.5V, enabling compatibility with various logic levels.
3. Bus Direction Control: Features a direction control input (DIR) for easy switching between transmit and receive modes.
4. Tri-State Outputs: Allows multiple devices to share the same bus without interference when not actively driving the bus.
5. Low Power Consumption: Consumes minimal power, making it ideal for battery-operated devices.
6. High Noise Immunity: Offers a high degree of noise margin, providing reliable operation in noisy environments.
7. TTL-Compatible: Compatible with TTL logic levels, ensuring easy integration with other digital circuits.
These characteristics make the SN74AHC245DWR suitable for various applications, including microcontroller interfacing, data buffering, and communication systems.

Package

The SN74AHC245DWR is available in a TSSOP (Thin Shrink Small Outline Package) with 20 pins.

Pinout

The SN74AHC245DWR is an octal bidirectional transceiver with 3-state outputs, featuring a total of 20 pins. Its primary function is to facilitate data transfer between two buses in either direction, allowing for high-speed communication in digital circuits.
The key functionalities include:
- Data flow control via direction pins (DIR) to determine the direction of data transfer.
- 3-state outputs, allowing the device to effectively handle multiple bus connections without contention.
- It operates with a supply voltage range of 2V to 5.5V and supports TTL-compatible input levels.
The pin configuration includes:
- Data pins (A1-A8 and B1-B8) for data input/output.
- Control pins (DIR, OE) for enabling/disabling the transceiver and setting the data direction.
- Power and ground pins for voltage supply.
This device is commonly used in applications requiring level shifting or data buffering between different logic families.

Manufacturer

The SN74AHC245DWR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components, including analog, digital, and embedded processing solutions. Established in 1930, TI is known for its innovation in analog technologies and embedded processors, serving various industries such as automotive, industrial, communications, and consumer electronics. The company is recognized for its high-quality products and commitment to research and development, positioning itself as a leader in the semiconductor market.

Application

The SN74AHC245DWR is an octal transceiver used for data communication between devices. Its application areas include computer peripherals, communication systems, and industrial automation. It serves in bus-oriented applications, enabling bidirectional data transfer, level shifting, and interfacing between different logic families. Additionally, it is utilized in microcontroller projects, memory systems, and digital signal processing, where reliable signal transmission is essential.

Equivalent

Equivalent products to the SN74AHC245DWR include the 74AHC245, 74HC245, and 74AC245. Additionally, you might consider parts from other manufacturers, such as the MC74HC245A from ON Semiconductor or the 74LVC245A from Nexperia. Always verify specifications such as voltage levels, drive strength, and pin configuration when looking for equivalents.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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