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TC74HC595AP

Specifications

SKU: 11566717

BUY TC74HC595AP https://www.utsource.net/itm/p/11566717.html

Parameter Symbol Conditions Min Typical Max Unit
Supply Voltage VCC Operating 2.0 - 6.0 V
Input Voltage (High Level) VIH - 2.0 - VCC V
Input Voltage (Low Level) VIL - 0 - 0.8 V
Output Voltage (High Level) VOH IO = -1.6 mA, VCC = 4.5 V to 5.5 V 2.4 - VCC - 0.1 V
Output Voltage (Low Level) VOL IO = 16 mA, VCC = 4.5 V to 5.5 V 0 - 0.1 V
Storage Temperature TSTG - -65 - 150 °C
Operating Temperature TA - 0 - 70 °C
Maximum Junction Temperature TJ(max) - - - 150 °C
Power Dissipation PD - - - 500 mW

Instructions for Using the TC74HC595AP

  1. Power Supply:

    • Ensure the supply voltage (VCC) is within the range of 2.0V to 6.0V.
    • Connect the ground (GND) pin to the system ground.
  2. Data Input:

    • Connect the serial data input (DS) to the data source.
    • Ensure the input voltage levels meet the specified conditions for high (VIH) and low (VIL) levels.
  3. Shift Register Clock:

    • Connect the shift register clock (SH_CP) to the clock signal that will shift the data into the register.
    • The clock signal should be a square wave with a frequency appropriate for your application.
  4. Storage Register Clock:

    • Connect the storage register clock (ST_CP) to the clock signal that will transfer the data from the shift register to the storage register.
    • This clock should also be a square wave and can be synchronized with the shift register clock or controlled independently.
  5. Output Enable:

    • Connect the output enable (OE) pin to control whether the outputs are active or in a high-impedance state.
    • Set OE to low (0V) to enable the outputs, and high (VCC) to disable them.
  6. Master Reset:

    • Connect the master reset (MR) pin to control the reset function.
    • Set MR to high (VCC) to keep the device active, and low (0V) to reset the device.
  7. Output Pins:

    • The output pins (Q0 to Q7) will provide the data stored in the storage register.
    • Ensure the load connected to these pins does not exceed the maximum current ratings.
  8. Thermal Management:

    • Ensure the device is used within the operating temperature range (0°C to 70°C).
    • Do not exceed the maximum junction temperature (150°C) to avoid damage.
  9. Storage and Handling:

    • Store the device in a dry, cool environment to prevent damage.
    • Handle the device with care to avoid static discharge, which can damage the internal circuits.
  10. Testing and Debugging:

    • Use a multimeter or oscilloscope to verify the correct operation of the device.
    • Check the power supply, input signals, and output levels to ensure they meet the specified parameters.
(For reference only)

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