3-STATE Octal D-Type Edge-Triggered Flip-Flop
MM74HC574 3-STATE Octal D-Type Edge-Triggered Flip-Flop
September 1983 Revised February 1999
MM74HC574 3-STATE Octal D...
Description
MM74HC574 3-STATE Octal D-Type Edge-Triggered Flip-Flop
September 1983 Revised February 1999
MM74HC574 3-STATE Octal D-Type Edge-Triggered Flip-Flop
General Description
The MM74HC574 high speed octal D-type flip-flops utilize advanced silicon-gate P-well CMOS technology. They possess the high noise immunity and low power consumption of standard CMOS integrated circuits, as well as the ability to drive 15 LS-TTL loads. Due to the large output drive capability and the 3-STATE feature, these devices are ideally suited for interfacing with bus lines in a bus organized system.
These devices are positive edge triggered flip-flops. Data at the D inputs, meeting the set-up and hold time requirements, are transferred to the Q outputs on positive going transitions of the CLOCK (CK) input. When a high logic level is applied to the OUTPUT CONTROL (OC) input, all outputs go to a high impedance state, regardless of what
signals are present at the other inputs and the state of the storage element...
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