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74VHC245PW
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FabricanteNexperia
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Peça do Fabricante #74VHC245PW
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Especificações
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| Brand | Nexperia |
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Description
The transceiver includes enable and direction control pins, facilitating easy control of data flow. It has a high-speed operation capability with propagation delays as low as 3.5 ns at 5V, ensuring efficient data transfer. The 74VHC245PW is designed with low power consumption, making it suitable for battery-operated devices.
Housed in a 20-pin TSSOP package, the 74VHC245PW is ideal for applications such as data communication, interfacing microcontrollers with peripherals, and other digital circuits requiring reliable and fast data transmission.
Equivalent
- 74AHC245
- 74HCT245
- 74LVC245
- 74LVCH245
These alternatives have similar functionality but may differ in voltage levels, speed, and power consumption. Always check specific electrical characteristics and package types for compatibility in your application.
Features
1. Octal Configuration: Supports eight bits of data transmission in both directions.
2. Standard Logic Levels: Compatible with both TTL and CMOS logic levels, ensuring widespread application.
3. High-Speed Operation: Capable of operating at high speeds, with a propagation delay of 3-5 ns at 5V.
4. Tri-State Outputs: Outputs can be set to high, low, or high-impedance state, allowing for flexible data bus management.
5. Wide Voltage Range: Operates from a 2V to 5.5V power supply, making it suitable for various applications.
6. Low Power Consumption: Features low dynamic and static power dissipation, enhancing energy efficiency.
7. Input/Output Isolation: Built-in isolation prevents bus contention, protecting the devices connected to the bus.
These features make the 74VHC245PW ideal for applications such as data buffering, bus transceivers, and signal level shifting.
Pinout
Pin Count and Functions:
- Pins 1-8 (A1-A8): Input pins for data input from the A bus.
- Pins 9-16 (B1-B8): Output pins for data output to the B bus.
- Pin 19 (DIR): Direction control input; determines the data flow direction (A to B or B to A).
- Pin 20 (OE): Output enable control; when low, outputs are enabled; when high, outputs enter a high-impedance state.
- Pins 17 and 18 (GND and VCC): Ground and power supply pins.
The device operates with a supply voltage range of 2.0V to 5.5V and is suitable for interfacing between different voltage levels, making it useful in various digital applications.
Manufacturer
Application
1. Data Bus Switching: It facilitates communication between different data buses in microcontroller and microprocessor systems.
2. Level Shifting: Used for interfacing between different voltage levels in mixed-voltage systems.
3. Memory Interface: Connects microcontrollers to memory devices, allowing data exchange.
4. Peripheral Communication: Acts as an interface for peripherals in communication protocols.
5. Signal Buffering: Buffers signals to improve integrity and reduce noise in high-speed applications.
Overall, it enhances data flow in various digital applications.