datasheet, pdf, data sheet, datasheet, data sheet, pdf, SGS Thomson Microelectronics, DUAL J-K FLIP FLOP WITH PRESET AND CLEAR. Dual J-K flip-flop with set and reset; negative-edge trigger. PDF datasheet Check with the manufacturer’s datasheet for up-to-date information. Details, datasheet, quote on part number: M34EFDW1 2 Kbit Serial IC Bus Eeprom Serial Presence Detect for DDR2 Dimms. TSH62C Wide-band.
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Datasheet(PDF) – STMicroelectronics
From looking at the functional diagram in the specifications, they are essentially the same other then that one has CD [asynchronous clear-direct input active HIGH ] and the other has RD [asynchronous reset-direct input active LOW ] on the diagram.
Yes, you can use a to divide by two. What is the difference between and ICs? Noting the above mentioned points, you could easily interchange the two flipflops.
No, only all the inputs of the circuitry should be connected to either rail or ground. The difference between the series and series is amongst other things the voltage rating:. Email Required, but never shown.
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How do they differ from ? Sign up or log in Sign up using Google. I have a circuit diagram for a IC but I would like to use a 74HC74 instead and I do not understand if it is possible.
Greg 1 6. Given that the asynchronous clear-direct input CD and the asynchronous reset-direct input RD are active low and require rails to function, are there any power saving benefits of connecting the unused inputs to ground vs rails? Douwe66 1, 6 This means that to divide by 2, the set and clear datasheey be pulled up or connected to the rail, not to ground.
Home Questions Tags Users Unanswered. I want to construct the following diagram using 74HC74 instead of Download a data sheet for both parts and study them carefully for pinout and pin function, IIRC the packages are not pin-compatible, so you will have to change the pin numbers as well.
The functionality is the same after all. Furthermore the pinout differs, so take a look at the datasheet for the right location of the pins!
– Dual J-K flip-flop with set and reset; negative-edge trigger – ChipDB
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Outputs should be left unconnected if not used. Likewise the series:. To confirm does “Take all inputs on unused sections of the device to rail or ground” mean that all pins which are not part of the main circuit should be connected to either ground or rail?
When reset is active the output pins Q and Qbar have a fixed state. Confirming Douwe, only the inputs, don’t connect any outputs to ground or rail.
All the device inputs should be connected to a valid logic levels, even on the unused elements. Take all inputs on unused sections of the device to rail or ground, it doesn’t matter which, obviously take all used inputs to the correct logic level.