HC4094 DATASHEET PDF

HC Counter Shift Registers are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for HC Counter Shift Registers. HC datasheet, HC pdf, HC data sheet, datasheet, data sheet, pdf, System Logic Semiconductor, 8-Bit Serial-Input Shift Register With Latched. GENERAL DESCRIPTION. The 74HC/HCT are high-speed Si-gate CMOS devices and are pin compatible with the “” of the. “B”.

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Please don’t PM me with technical questions. Next time try www. MarkT Brattain Member Posts: But, dqtasheet are manufacturing variations. It should hold Lbs, and some may fail at Lbs and others may fail at Lbs. They have more advanced chips as well; some with digital brightness control and even PWM settings for each channel.

Please do not even think of using the obsolete ULN2x03 series. A serial-input, parallel-output SIPO chip is the best way to independently control lots of output pins using only a few pins on my microcontroller, right? For example, the dwtasheet eye can’t notice LED flickers shorter than 10 msec. Assuming this thing isn’t going into space or used in a medical application, it might not be a big deal if it fails. Do you have similar experience?

Sign up or log in Sign up using Google. The 74HC does not have the asynchronous clear function of the 74HC Now with Unlimited Eagle board sizes!

I also wouldn’t recommend going into production and selling things that exceed design specs. Use of this latter output will greatly improve sample and hold margins when feeding the output of the device into another one; the datashest may be useful in some situations when feeding a device which is known to receive the clock before the data.

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How it effects practically in application? The shift registers shown are controlled with three lines: At high frequencies this will cook the pad driver on the chip. Non-SMT versions are also available. They all can be connected in the ” daisy-chain SPI ” configuration, right? So i can omit using an ULN or similar device?

The specs don’t mean it’s going to burn-up instantly if you go to 71mA. Post as a guest Name. There have been times I would have used the 74HC’s asynchronous clear if the load signal was level-sensitive so that asserting clear and load simultaneously would clear the outputsand times I would have used a synchronous clear wire the cascade output to synchronous clear and synchronous load signals, and reduce communications requirement to two wiresbut I don’t think the signal will be missed on the 74HC TPIC is for when you need more output current.

What is the basic difference between those two chips? One is ‘shift latch register’. Why for hc409, the “HC T ” version?

TPIC is for when you need more output current.

HC4094 Datasheet

It has a cascading output which triggers on the same clock edge as the input, as well as a cascading output which is delayed by half a clock. TobiasCrackz on Dec hcc4094, But if it does, you’ve exceeded the specs and you can’t complain. I’m drawing mA, the system runs for already 2 Months and the shift registers still work and don’t even get hot nor warm!!! So 74HC is my choice.

8 LEDs on 74HCT

A serial-input, parallel-output SIPO chip is the best way to independently control lots of output pins using only a few pins on my microcontroller, right? Does one SIPO chip clearly have more capabilities or easier to use than another, or are they all more-or-less equivalent functionality? Putting 10nF load on a logic output will overload it. You can use the combination of an RC low pass filter and a schmitt-trigger input to protect a low-bandwidth signal from noise pickup, but clock to a shift register is a fast signal hc409 must be prevented from multiple triggering.

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Peculiar choice of component! Decoupling is on the supply to keep it stable against change.

The 74HC does not have the asynchronous clear function of the 74HC However, how is it possible to deduce from the datasheet of a part whether it is a “super-useful part that I should always keep a few on hand” vs a “specialized part to only buy as needed” vs a “completely obsolete part that there’s no point buying — instead part YYY is cheaper and better in every way”?

Remember slow here means slow compared to a few nanoseconds ie a microsecond or more. I need 12 channels, so plans to cascade 2 8 bit shift registers. The load signal is level-sensitive, rather than edge sensitive, allowing the device to be used in a “transparent” mode, where bits from the input are immediately shown on the output.

The load signal is level-sensitive, rather than edge sensitive, allowing the device to be used in a “transparent” mode, where bits from the input are immediately shown on the output. Some parts may fail just slightly over that, and some may handle more current “forever”. It may last forever. This is completely rated for the job you have. I hadn’t looked at the 74HC, having always used the 74HC, but the 74HC looks like it has a couple of interesting differences:. Email Required, but never shown.

Sign up using Facebook. You would need a common-anode LED array, or have the anodes driven by transistors.