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SN74AHC245DWR
+Lista de MateriaisIC TXRX NON-INVERT 5.5V 20-SOIC
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FabricanteTexas Instruments
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Peça do Fabricante #SN74AHC245DWR
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Especificações
| Atributo | Valor |
| 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) |
Visão Geral
Description
The device operates with CMOS technology, ensuring low power consumption and high-speed performance. It supports a wide voltage range typically from 2 V to 5.5 V, making it suitable for various applications. The 3-state outputs allow for connection to multiple bus lines without interference, as they can be placed in a high-impedance state.
The SN74AHC245DWR is housed in a 20-pin SOIC package and is ideal for use in digital circuits, microcontrollers, and microprocessor systems where efficient data exchange between components is necessary. Key features include low power dissipation and compatibility with TTL inputs.
Equivalent
1. NXP Semiconductor's 74HC245D, 74HC245DB
2. ON Semiconductor's MC74HC245ADWR2G
3. Fairchild Semiconductor's 74HC245
These alternatives offer similar functionality and are often pin-compatible, making them suitable substitutes in most applications. However, always verify electrical specifications and package compatibility when selecting a replacement.
Features
1. High-Speed Operation: Advanced high-speed CMOS technology enables high-speed data transmission.
2. Low Power Consumption: Reduced power usage compared to older technologies.
3. Wide Operating Voltage Range: Supports operation from 2 V to 5.5 V, making it versatile for various applications.
4. 8-Bit Bidirectional Data Transfer: Allows for the transfer of data in both directions, controlled by the direction pin (DIR).
5. Three-State Outputs: Output control by the OE (Output Enable) pin facilitates use in bus-oriented systems.
6. High Drive Capability: Can drive up to 8-mA outputs at 5 V, suitable for driving multiple loads.
7. Low Noise: Features to minimize ground bounce and signal noise, ensuring reliable operation.
8. Package Options: Available in a variety of packaging, including the 20-pin SOIC (DWR) package.
These features make the SN74AHC245DWR suitable for a range of applications, including memory interfacing, microprocessor systems, and other digital data transmission systems.
Pinout
Key functions include:
- Bidirectional Data Transfer: It allows data transfer in both directions, controlled by the DIR pin.
- 3-State Outputs: The outputs can be disabled via the output enable (OE) pin, placing them in a high-impedance state.
- High-Speed Operation: The device supports high-speed data transfer and is suitable for various applications requiring bus interfacing.
The pin configuration includes inputs for data buses A and B, DIR, and OE, with each bus having 8 data lines. For detailed pin assignments, refer to the datasheet of the specific package.
Manufacturer
Application
1. Microcontroller and Microprocessor Interfaces: Facilitates communication between different voltage-level circuits.
2. Memory Modules: Enables data transfer between processors and memory units.
3. Digital Signal Processing: Assists in buffering and data flow management.
4. Peripheral Interfaces: Used in interfacing peripheral devices to a central processor.
5. Data Acquisition Systems: Supports efficient data handling and processing.
6. Bus-Oriented Systems: Provides bidirectional data flow control.
This IC is valued for its low power consumption, high-speed operation, and reliable data transmission across digital systems.