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U74AHC574 - OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS

Description

The U74AHC574 is a octal edge-triggered D-type flip-flops with 3-state outputs, and it has 8 channels.

When the OE input is low, on the positive transition of the clock (CLK) input, the Q outputs are set to the logic levels of the data (D) inputs.

Features

  • S.
  • Operate from 2V to 5.5V.
  • Max tpd of 13.2 ns at at VCC=3.3V, CL=15pF.
  • Max ICC of 4uA.
  • Typical VOL< 0.36V at VCC=4.5V, IO=8mA, TA=25°C.
  • Typical VOH> 3.94V at VCC=4.5V, IO =-8mA, TA=25°C.

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Note: The manufacturer provides a single datasheet file (U74AHC574-UnisonicTechnologies.pdf) that lists specifications for multiple related part numbers.

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Full PDF Text Transcription

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UNISONIC TECHNOLOGIES CO., LTD U74AHC574 OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS „ DESCRIPTION The U74AHC574 is a octal edge-triggered D-type flip-flops with 3-state outputs, and it has 8 channels. When the OE input is low, on the positive transition of the clock (CLK) input, the Q outputs are set to the logic levels of the data (D) inputs. When the OE input is high, the outputs are in the high-impedance. To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pull-up resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. „ FEATURES * Operate from 2V to 5.5V * Max tpd of 13.2 ns at at VCC=3.3V, CL=15pF * Max ICC of 4uA * Typical VOL< 0.36V at VCC=4.
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