74HC574D Integrated Circuits (ICs)

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1. Describe

74HC574D is a high-speed CMOS OCTAL FLIP-FLOP with tri-state output manufactured using silicon gate C2MOS technology. It achieves high-speed operation similar to the equivalent LSTTL while maintaining the low power consumption of CMOS. These 8-bit D-type flip-flops are controlled by the clock input (CK) and output enable input (OE). When the OE input is high, the 8 outputs are in a high impedance state. All inputs are equipped with protection circuits to prevent electrostatic discharge or transient overvoltage

2. Feature

    1. Wide operating temperature range: Topr = -40 to 125 

    2. High speed: fMAX = 59 MHz (typical value), VCC = 6.0 V

    3. Low power consumption: ICC = 4.0 μA (maximum), Ta = 25

    4. Balance propagation delay: tPLH≈tPHL

    5. Wide operating voltage range: VCC(opr) = 2.0 V to 6.0 V

    6. Eight-way D-type flip-flop, three-state output

3. Pin configuration

4. Package overview