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DATASHEET 74LS145 PDF

Part Number: 74LS, Maunfacturer: Motorola, Part Family: 74, File type: PDF, Document: Datasheet – semiconductor. 74LS datasheet, 74LS circuit, 74LS data sheet: MOTOROLA – 1-OF- 10 DECODER/DRIVER OPEN-COLLECTOR,alldatasheet, datasheet. 74LS datasheet, 74LS circuit, 74LS data sheet: ONSEMI – 1-of Decoder / Drvier Open-Collector,alldatasheet, datasheet, Datasheet search site .

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(PDF) 74LS145 Datasheet download

74sl145 You can skip the bipolar alltogether, and connect your pull-up directly to 12V. BCD inputs and provide appropriate outputs to drive digit incandescent displays. Do I need to put an inverters between the 74LS and the bipolars?

If you want to used the FET, substitute the source for the emitter, the gate for the base, and the drain for the collector. I amy have misundertood you completely, but I think there is a much simpler solution.

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I would then have bipolar NPN transistors with the collectors connected to 12V via resistors.

That makes my life much datashet, although I will have to check on the manufacturer of the devices that I have daasheet make sure that they have the higher voltage tolerance. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur.

Thanks for your help on this guys! SCILLC 74ls45 no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. The new topic will begin with this message.

The bases of the bipolars would be connected to the outputs of the 74LS via resistors. If the 74LS will sink enough current, I think you should be able to meet your needs with a cascode stage, and this will only require one transistor and maybe one resistor per output. So, for the meantime, it looks like my original plan stands, minus dtasheet base resistors thanks John! Search Only Within This Topic.

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74LS Datasheet(PDF) – Motorola, Inc

All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. Your email is included with the abuse report. Medias this blog was made to help people to easily download or read PDF files. Subject of the new topic: This is certainly a technique to apply for other applications I have a LOT to learn in the analogue fieldbut Datasheey think that we would have the same issue that John pointed out — the control signals are inverted and still need to be flipped before they get to the output device.

I assume that this means that I connect the outputs to my logic VCC via 74ps All outputs remain off for all invalid binary input conditions.

Quoth Christian Bjelle at The Group moderators are responsible for maintaining their community and can address these issues. The gates of the HV drivers would be connected to collectors of the bipolars.

Since the outputs of the LS are active low when selected, and the FET gate is active high, the transistor as 74ls14 show it in your picture gives the inversion you need.