HC4094 DATASHEET PDF

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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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?

They all can be connected in the ” daisy-chain SPI ” configuration, right? I hadn’t looked at the 74HC, having always used the 74HC, but the 74HC looks like it has a couple of interesting differences: 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 datasheett output.

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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.

Use of this latter output will greatly improve sample dtasheet hold margins when feeding the output of the device into another one; the former may be useful in some situations when feeding a device which is known to receive the clock before the data.

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The 74HC does not have the asynchronous clear function of the 74HC 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 datashet wiresbut I don’t think the signal will be missed on the 74HC TPIC is for when you need more output current.

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I need 12 channels, so plans to cascade 2 8 bit shift registers.

What is the basic difference between those two chips? One is ‘shift latch register’.

How it effects practically in application? My application can’t tolerate change as it clocks! So 74HC is my choice.

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Transients occur because shift register is directly connected to output lines. This kind of shift register can be used for driving LEDs and similar devices where short-term transient is datasueet.

For example, the human eye can’t notice LED flickers shorter than 10 msec. The shift registers shown are controlled with three lines: