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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I hadn’t looked at the 74HC, having always used the 74HC, but the 74HC looks like it has a couple of interesting differences: 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?
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I order a heap of common anode displays by mistake and can’t use them the MAX’s that I have due to the max being common cathode. It’s pretty much a latched shift register with constant current sinking outputs. One is ‘shift latch register’. For example, the human eye can’t notice LED flickers shorter than 10 msec. Post them in the forum.
(PDF) HC4094 Datasheet download
They all can be connected in the ” daisy-chain SPI ” configuration, right? Post as a guest Name. If you don’t understand an example, don’t use it. Daatsheet 74HC does not have the asynchronous clear function of the 74HC Decoupling is on the supply to keep it stable against change.
Putting 10nF load on a logic output will overload it.
This kind of shift register can be used for driving LEDs and similar devices where short-term transient is irrelevant. 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 MarkT Brattain Member Posts: The specs don’t mean it’s going to burn-up instantly if you go to 71mA.
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. I also wouldn’t recommend going into production and selling things that exceed design specs.
Non-SMT versions are also available. I hadn’t looked at the 74HC, having always used the 74HC, but the 74HC looks like it has a couple of interesting differences: It also has 16 output channels.
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. Now with Unlimited Eagle board sizes!
The manufacturer is confident the part will be reliable at 70mA hc0494 less. Remember slow here means slow compared to a few nanoseconds ie a microsecond or more. 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?
Some parts datashet fail just slightly over that, and some may handle more current “forever”. Please don’t PM me with technical questions. But if you’re building a bridge, you’d want to leave some safety margin and maybe put no more than a 50Lb load on the bolt.
So i can omit using an ULN or similar device? Trying to get back into electronics after 15 years absence.