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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That makes my life much easier, although I will have to check on the dattasheet of the devices that I have to make sure that they have the higher voltage tolerance. This is certainly a technique to apply for other applications I have a LOT to learn in the analogue fieldbut I 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.

Thanks for your help on this guys! I assume that this means that I connect the outputs to my logic VCC via 74ps Search Only Within This Topic.

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74LS145 – BCD to Decimal Decoder/Driver

You can skip the bipolar alltogether, and connect your pull-up directly dstasheet 12V. Medias this blog was made to help people to easily download or read PDF files.

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

Since the outputs of the LS fatasheet active low when selected, and the Satasheet gate is active high, the transistor as 74ls14 show it in your picture gives the inversion you need. The bases of the bipolars would be connected to the outputs of the 74LS via resistors. The gates of the HV drivers would be connected to collectors of the bipolars. BCD inputs and provide appropriate outputs to drive digit incandescent displays.

(PDF) 74LS145 Datasheet download

I amy have misundertood you completely, but I think there is a much simpler solution. 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 datasyeet where personal injury or death may occur.


Are you sure you wish to delete this message from the message archives of neonixie-l groups. Your email is included with the abuse report. The new topic will begin with this message. Quoth Christian Bjelle at The Group moderators are responsible for maintaining their community and can address these issues. 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.

74LS Datasheet PDF –

So, for the meantime, it looks like datxsheet original plan stands, minus the base resistors thanks John! If you want to used the FET, substitute the source for the emitter, the gate for the base, and the drain for the collector. Do I need to put an inverters between the 74LS and the bipolars?

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