Operating Temperature, °C ~ 85°C (TA). Mounting Type, Through Hole. Package / Case, DIP (“, mm). Base Part Number, 74HC 74HC74; 74HCT74 Dual D-type flip-flop with set and reset; positive-edge trigger. Dual D-type flip-flop with set and reset; positive-edge trigger. FEATURES Wide. 10 Jul Product specification. Supersedes data of Feb Jul INTEGRATED CIRCUITS. 74HC74; 74HCT Dual D-type flip-flop with.
The MXD is available in multiple versions. Try 74h7c4 by shorting C5 briefly after switching on the supply. I made this on breadboard three times from scratch I couldnt find any wrong connection yet. Zero Dead Time Class-d 7. The high commutation B series are designed to commutate the full 47hc74 current at the maximum junctio. Schmitt-trigger action in the clock input makes the circuit highly tolerant to slower clock rise and fall times.
The set and reset are asynchronous active LOW inputs and operate independently of the clock input. That’s not shown on your schematic, is it. Sign up or log in Sign up using Google.
Using a 74HC74 Integrated Circuit
Octal Bus Transceivers With 3-state Outputs. But I tried several times with breadboard from scracth and have the following problem: Could it be that the reset R11, C5 is too fast, meaning the CLR is released before the supply has stabilized properly?
So any cap between Vcc of 74HC74 and ground makes its output zero. If that helps 74hv74 could slow down the reset by making R11 1 Mohm and C5 nF.
These operations include microcomputer, logic, analog and discrete devices, and memory chips. NOT ; Supply Voltage: Differential inputs allow each circuit to be used as an inverting, non-inverting or differential receiver. But I want to add caos to regulator and Vcc pin for noise issues.
Details, datasheet, quote on part number: Triacs logic level Passivated guaranteed commutation triacs in a plastic package. Decoder ; Supply Voltage: Without any cap the circuit works. It helps optimize your design by decreasing the load on the driving circuit a.
An internal reference voltage generator provides VBB for single-ended operation, 47hc74 for use 74hc744 Schmitt trigger applications.
Hex Bus Driver With 3-state Outputs. My guess would be you mixed up some pins, or used something that is not a capacitor. Sign up using Email and Password. The circuit below works in simulation: Home Questions Tags Users Unanswered. What can the problem be here? Decoupling capacitors upsetting 74HC74 output Ask Question. The ‘sensitive gate’ E and ER series are intended for interfacing with low power drivers, including microcontrollers.
I already added the circuit and explained what I do.