Specifications
SKU: 11198984
Parameter | Symbol | Conditions | Min | Typical | Max | Unit |
---|---|---|---|---|---|---|
Supply Voltage | VCC | - | 2.0 | - | 6.0 | V |
Input Voltage (High Level) | VIH | - | 3.15 | - | VCC | V |
Input Voltage (Low Level) | VIL | - | 0 | - | 0.85 | V |
Output Voltage (High Level) | VOH | IO = -4 mA | 2.4 | - | VCC - 0.1 | V |
Output Voltage (Low Level) | VOL | IO = 4 mA | 0 | - | 0.1 | V |
Input Current (High Level) | IIH | VI = VCC | -1 | - | - | μA |
Input Current (Low Level) | IIL | VI = 0 V | 1 | - | - | μA |
Output Current (Source) | IOH | VOH = 2.4 V | - | - | -4 | mA |
Output Current (Sink) | IOL | VOL = 0.4 V | - | - | 4 | mA |
Propagation Delay Time | tpd | VCC = 4.5 V, TA = 25°C | 0 | 9 | - | ns |
Power Dissipation | PD | - | - | - | 100 | mW |
Instructions for Using 74HC245D:
Power Supply:
- Connect VCC to the positive supply voltage (2.0V to 6.0V).
- Connect GND to the ground.
Direction Control:
- Use the DIR pin to control the direction of data transfer:
- DIR = Low: Data is transferred from A to B.
- DIR = High: Data is transferred from B to A.
- Use the DIR pin to control the direction of data transfer:
Enable Control:
- Use the OE (Output Enable) pin to enable or disable the outputs:
- OE = Low: Outputs are enabled.
- OE = High: Outputs are in high-impedance state (tristate).
- Use the OE (Output Enable) pin to enable or disable the outputs:
Input and Output Connections:
- Connect the input lines (A0-A7) to the source of the data.
- Connect the output lines (B0-B7) to the destination of the data.
Handling Static Electricity:
- The 74HC245D is sensitive to static electricity. Handle the device with proper ESD precautions to avoid damage.
Operating Temperature:
- Ensure that the operating temperature (TA) is within the specified range (-40°C to +85°C).
Storage and Handling:
- Store the device in a dry, cool place and handle it with care to prevent physical damage.
Testing and Debugging:
- Use a multimeter or logic analyzer to verify the correct operation of the device.
- Check the power supply and ground connections for any issues.
By following these instructions, you can ensure reliable and efficient operation of the 74HC245D octal bus transceiver.
(For reference only)Inquiry - 74HC245D