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SN74LV245APWR

Name: SN74LV245APWR
Rating: 4.7 (12 reviews)

IC TXRX NON-INVERT 5.5V 20TSSOP

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製造商。部分 #SN74LV245APWR
包 20-TSSOP (0.173, 4.40mm Width)
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規格

Package	Tape & Reel (TR),Cut Tape (CT),Bulk
Series	74LV
ProductStatus	Active
LogicType	Transceiver, Non-Inverting
NumberofElements	1
NumberofBitsperElement	8
OutputType	3-State
Current-OutputHighLow	16mA, 16mA
Voltage-Supply	2V ~ 5.5V
OperatingTemperature	-40°C ~ 125°C (TA)
MountingType	Surface Mount
Package/Case	20-TSSOP (0.173, 4.40mm Width)

概述

Description

The SN74LV245APWR is an 8-bit transceiver designed for asynchronous data communication between two buses. It operates with a wide supply voltage range of 2.7V to 5.5V, making it suitable for various applications in both TTL and CMOS systems. The device features separate transmit (A to B) and receive (B to A) controls, allowing for flexible data flow management.
Key characteristics include low power consumption, high-speed operation, and compatibility with standard logic levels. The SN74LV245APWR includes features like three-state outputs, which enable multiple devices to connect to the same data bus without interference. It is typically used in communication applications where signal integrity and high-speed data transfer are essential, such as in microcontroller and peripheral interfacing.
Available in a TSSOP package, the SN74LV245APWR is ideal for space-constrained designs. Overall, it serves as a reliable solution for data buffering and level shifting in digital circuits.

Features

The SN74LV245APWR is an octal bus transceiver designed for low-voltage, high-speed applications. Key features include:
1. Dual Direction Data Transmission: It supports bidirectional data flow, allowing for seamless communication between devices.
2. Wide Voltage Range: Operates within a 1.2V to 5.5V supply range, making it compatible with various logic levels.
3. High-Speed Operation: Capable of switching speeds up to 25 Mbps, suitable for fast data communication.
4. 3-State Outputs: The outputs can be placed in a high-impedance state, allowing for multiple devices to share the same bus.
5. Low Power Consumption: Designed for minimal power usage, ideal for battery-operated devices.
6. Bus Hold Function: Prevents floating inputs, enhancing signal integrity during operation.
7. Package Options: Available in various surface mount and through-hole packages to suit different application needs.
Overall, the SN74LV245APWR is a versatile and efficient component for efficient data handling in digital circuits.

Package

The SN74LV245APWR is packaged in a TSSOP (Thin Shrink Small Outline Package) with 20 pins.

Pinout

The SN74LV245APWR is an octal bus transceiver with 3-state outputs, designed for high-speed data transmission. It features a 20-pin package.
Pin Count and Functions:
- Pins: 20
- Functions:
- A0-A7 (Pins 2-9): Data inputs for the A bus.
- B0-B7 (Pins 12-19): Data outputs for the B bus.
- DIR (Pin 1): Direction control pin; determines the data flow direction (A to B or B to A).
- OE (Pin 10): Output enable pin; when low, outputs are enabled; when high, outputs are in high-impedance state.
- Vcc (Pin 20): Power supply voltage (typically 2.7V to 5.5V).
- GND (Pin 11): Ground reference.
The device enables bidirectional data transfer and is suitable for low-voltage applications, providing improved performance over standard logic devices.

Manufacturer

The SN74LV245APWR is manufactured by Texas Instruments (TI), a leading semiconductor company. Texas Instruments designs and produces a wide range of analog, embedded processing, and digital signal processing (DSP) chips. Founded in 1930, TI is known for its innovation in the electronics industry and serves various markets including automotive, industrial, communications, and consumer electronics. The SN74LV245APWR is an octal bidirectional transceiver with 3-state outputs, commonly used for data communication applications. Texas Instruments emphasizes reliability and performance in its products, making it a prominent player in the global semiconductor market.

Application

The SN74LV245APWR is a high-speed, low-voltage bus transceiver used in applications such as data communication between microcontrollers, memory interfacing, and peripheral devices. It is commonly employed in digital logic circuits for bidirectional data transfer, level shifting between different voltage domains, and connection in computer systems, networking equipment, and automotive electronics. Its versatility makes it suitable for various embedded systems and consumer electronics.

Equivalent

The SN74LV245APWR is a 8-bit bidirectional transceiver. Equivalent products include:
1. 74LVC245A (Texas Instruments)
2. 74ACT245 (Texas Instruments)
3. 74HC245 (Nexperia)
4. 74HCT245 (Nexperia)
5. 74LVX245 (Nexperia)
Ensure compatibility with voltage levels and logic families when selecting equivalents.