SN74HC (ACTIVE) Dual 4-Line To 1-Line Data Selectors/Multiplexers. Datasheet ( KB). Description click to collapse contents. Each of these data. Data sheet acquired from Harris Semiconductor. SCHSC. Features. • Common Select Inputs. • Separate Enable Inputs. • Buffered inputs and Outputs. The M54/74HC and M54/74HC are high speed CMOS DUAL 4- CHANNEL MULTIPLEXERS fabricated with silicon gate C. 2. MOS technology.

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Hi Olly I revisited my answer I could not find a quad 2: Open the catalog to page 5. The device features independent enable inputs nE and common data select inputs S0 and S1.

Recommended operating conditions Table 5. Open the catalog to page 2.

The image is posted here. Three Way by Harkumbar, on Flickr My question is this: Open the catalog to page 9. If the image does not appear, I’ll have to see what I am doing wrong. Gives you your 3 options. Symbol 74hc1533 voltage input clamping current output clamping current output current supply current ground current storage temperature Product Limiting values Table 4.

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Hi Bill Thanks for your input. Ordering information Table 1. The Online Industrial Exhibition. Open the catalog to page 4. Symbol total power dissipation The input and output voltage ratings may be exceeded if the input and output current ratings are observed.

Ptot derates linearly with 5. Obviously the mechanical switch that would be required to switch the inputs has not been included and steps would be needed when wiring it to prevent all three inputs from being HIGH. Hi, When I 74hv153 this thread, I wondered whether this could be implemented using simple logic If not, could someone please explain in simple terms as to why not?

74HC 데이터시트(PDF) – NXP Semiconductors

Catalog excerpts Product data sheet 1. Open the catalog to page 6.

Plastic interlead protrusions of 0. The same 4 address lines can be bussed to the othe multiplexor and decoder. Typically this multipole multiposition switch is implemented with a “rotary Wafer Switch”.

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Open the catalog to page 8. Dynamic characteristics Table 7. Open the catalog to page Ordering information Type number Package Temperature range plastic small outline package; 14 leads; body width SOT 3. Plastic or metal protrusions of 0. Product data sheet 1. Functional description Table 3.

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Open the catalog to page 3. Even if this doesn’t work in this situation, it certainly looks like a useful bit of kit, and I’m sure it’ll get integrated at some point!

74HC Datasheet catalog

Think of the typical pre-digital tape recorder and stereo function selector. No problem getting a “4 pole 3 or 4 position” switch of that type. For each multiplexer, the select inputs select one of the four binary inputs and routes it to the multiplexer output nY.

This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC. SC16CB 5 V, 3. Inputs include clamp diodes.