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The 74LS245 is an octal bus transceiver IC designed for asynchronous two-way data communication between data buses. It is housed in a SOIC-20 surface-mount device (SMD) package, making it suitable for high-density circuit board layouts. Here’s a detailed description of the product:
Key Features:
- Type: Octal Bus Transceiver
- Package: SOIC-20 (Small Outline Integrated Circuit)
- Logic Family: 74LS (Low Power Schottky)
- Operating Voltage: 4.75V to 5.25V
- Direction Control: Allows data transmission in both directions
- Three-State Outputs: Enables connection to a common bus
- Low Power Consumption: Schottky technology for low static power consumption
- High-Speed Operation: Fast propagation delay
Applications:
- Bus Interface: Ideal for interfacing between data buses
- Data Communication: Suitable for asynchronous two-way data communication
- Memory Addressing: Used in memory addressing and multiplexing
- Digital Systems: Useful in various digital systems requiring bidirectional data transfer
- Microprocessor Interfacing: Commonly used in microprocessor and microcontroller systems
Pin Configuration:
- Pin 1 (DIR): Direction control input
- Pin 2 (A1): Data input/output A1
- Pin 3 (A2): Data input/output A2
- Pin 4 (A3): Data input/output A3
- Pin 5 (A4): Data input/output A4
- Pin 6 (A5): Data input/output A5
- Pin 7 (A6): Data input/output A6
- Pin 8 (A7): Data input/output A7
- Pin 9 (A8): Data input/output A8
- Pin 10 (GND): Ground
- Pin 11 (B8): Data input/output B8
- Pin 12 (B7): Data input/output B7
- Pin 13 (B6): Data input/output B6
- Pin 14 (B5): Data input/output B5
- Pin 15 (B4): Data input/output B4
- Pin 16 (B3): Data input/output B3
- Pin 17 (B2): Data input/output B2
- Pin 18 (B1): Data input/output B1
- Pin 19 (/OE): Output enable (active low)
- Pin 20 (VCC): Supply voltage
Electrical Characteristics:
- Supply Voltage (Vcc): 4.75V to 5.25V
- Input Voltage (Vin): 0V to Vcc
- Output Voltage (Vout): 0V to Vcc
- Low Input Current (Iin): ±0.1μA max
- Low Output Current (Iout): ±24mA max
- Propagation Delay: Typically 15ns
- Power Consumption: Low power consumption due to Schottky technology
Note: Product images are for illustrative purposes only and may differ from the actual product.
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Due to the type of products we sell, we accept limited returns. Below are the conditions where we can accept a return request.
1. Damaged During Shipment
If you receive a product damaged during shipment, please notify us within the 3 days of you receive the product, supported by the proper pictures and description. Once our support team accept the return, we will provide a replacement or a complete refund including the return shipping cost.2. Wrong Item Shipped
If your item looks different from what is shown in the image on our website, we will take the item back and provide a refund or replacement as per your choice.
Limitation of Returns
We don't accept the returns for the products damanged by improper use of the product. Moreover we don't accept the return, if the ordered product is not fit for any specific application. Please read the product specifications and datasheet before selecting and ordering a product. Returns are accepted only with 3 days from the date of delivery.Shipping
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