HD74LS293P

Category: 74 series Digital Integrated Circuits Available (Qty:9999999)
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Description

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Asynchronous Up Counter

Parameter Symbol Min Typ Max Unit Description
Supply Voltage VCC 4.75 5.0 5.25 V Operating supply voltage
Input Voltage (High) VIH 2.0 - VCC V Minimum input voltage for logic high
Input Voltage (Low) VIL 0 - 0.8 V Maximum input voltage for logic low
Output Voltage (High) VOH 2.4 - VCC - 0.1 V Minimum output voltage for logic high
Output Voltage (Low) VOL 0 - 0.4 V Maximum output voltage for logic low
Input Current (High) IIH -1 - 20 μA Maximum current when input is high
Input Current (Low) IIL -20 - 1 μA Maximum current when input is low
Output Current (Source) IOH - - 0.4 mA Maximum current sourced by output
Output Current (Sink) IOL -8 - - mA Maximum current sunk by output
Propagation Delay Time tp 16 - 35 ns Time delay from input to output
Power Dissipation PD - - 100 mW Maximum power dissipation per package
Operating Temperature TA 0 - 70 °C Ambient operating temperature
Storage Temperature TSTG -65 - 150 °C Temperature range for storage

Instructions for Use

  1. Power Supply:

    • Connect the VCC pin to a 5V supply.
    • Connect the GND pin to ground.
  2. Input Signals:

    • Ensure that input signals meet the specified VIH and VIL levels.
    • Keep input currents within the specified limits to avoid damage.
  3. Output Signals:

    • Ensure that output signals are within the specified VOH and VOL levels.
    • Do not exceed the maximum output current ratings to prevent damage to the device.
  4. Propagation Delay:

    • Account for the propagation delay time in your timing calculations to ensure proper operation.
  5. Temperature Considerations:

    • Operate the device within the specified ambient temperature range.
    • Store the device within the specified storage temperature range to avoid degradation.
  6. Handling:

    • Handle the device with care to avoid static discharge, which can damage the internal circuits.
    • Use appropriate ESD protection measures during handling and installation.
  7. Mounting:

    • Mount the device on a suitable PCB with proper soldering techniques to ensure reliable connections.
    • Ensure good thermal management if the device is expected to dissipate significant power.
  8. Testing:

    • Test the device under typical operating conditions to verify its functionality.
    • Refer to the datasheet for specific test procedures and recommended test setups.
(For reference only)

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