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K, and data inputs, l cc is measured by applying a momentary ground clear, and then applying a momentary ground, followed by 4. All orders are filled and sent from our place right here in 74,s174n, CA.

I C C is measured first with the parallel inputs at 4. Outpul Q A is connected to input B. These demultiplexers are ideally suited for implementing high-performance memory decoders.

The clear, count, and load inputs are buffered to lower the drive requirements of clock drivers, etc. A clear pulse is applied prior to each test. Ice’ s measured with 4. They contain full on-chip decoding to select the desired data input.

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Typical clock frequency is 12 MHz. Examine the three most significant bits. When either strobe input is high, all outputs are high. Asynchronous Preset sets the counter to The clock pulse has Ihe following characteristics: When the word-select input is low, word 1 A1, B1, Cl, D1 is entered into the flip-flops. Clearing is independent of the level of the clock input.

W 74LA mW J. For testing ffvlAX 3,1 outputs are loaded simultaneously. Guaranteed by Sat, Jan 5. On the 97 and datasheett versions, four buffers are enabled from one common line, and the other four buffers are enabled from another common fatasheet.


Shifted characters can be generated by the on-chip subtractor.

Maximum l cc is guaranteed or the following worst-case conditions: All inputs grounded B Output control at 4. Screening All microcircuits delivered in accordance with MIL-M must have been subjected to, and passed all the screening tests detailed in Method of MIL-STD for the type of microcircuit and product assurance level. The register may be parallel loaded by using the clear input in conjunction with the preset inputs. Data applied at the inputs should be in its true form.

These operations are selected by the xatasheet function-select lines SO, SI, S2, S3 and include addition, subtraction, decrement, and straight transfer.

Both gate inputs must be low to enable data transfer to the output. W A N J.

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The true output of the MSB of the register. In the examples above, the 74,s174n relationships between inputs and outputs have been chosen arbitrarily.

Quick Links Categories Recent Discussions. Iqq is measured with all inputs grounded and all outputs open. All inputs at 4. Andy North My Index Page: Dual 74os174n decoder Dual 1-toline demultiplexer 3-toline decoder 1-toline demultiplexer Individual strobes simplify cascading for decoding or demultiplexing larger words Input clamping diodes simplify system design Choice of outputs: Not more than one output should be shorted at a time, and the duration of the short circuit should not exceed one second.

When the read-enable input, Gr, is high, the data outputs are inhibited and remain high. Synchronous operation is provided by having all flip-flops clocked simultaneously, so that the outputs all change at the same time when so instructed by the count- enable inputs and internal gating.


Not more than one output should be shorted at a time not to exceed one second duraiton.

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No more than one output should be shorted at a time. Display patterns for BCD input counts above nine are unique symbols to authenticate input conditions. V 0H test on Pin 8 and l 0S test on Pin 8. A direct overriding input is provided to clear the register whether the outputs are enabled or off. Not more than one output should be shorted at a time, and duration ot short circuit should not exceed one second. This datashret writing into one location, and reading from another word location, simultaneously.

The LS and S comprise two separate two-line-to- four-line decoders in a single package. The value of Cx is optional and may be adjusted to achieve the required output pulse width.

W 74H04 N 10 ns 10 mW J. Box Seoul Tel: Not more than one output should be shorted at a time, and duration of the short-circuit should not exceed one second. The clear input and the load input are active low. When the input is high, the counter counts up; when low, it counts down. Shift right is accomplished synchronously with the rising edge of the clock pulse when SO is high and SI is low.

A clear input has been provided which, when taken to a high level, forces all outputs to the low level; independent of the count and load inputs.