74LS193 DATASHEET PDF

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This circuit is a synchronous up down 4-bit binary counter. Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs. 74LS Synchronous 4-Bit Binary Counter with Dual Clock. General Description. The DM74LS circuit is a synchronous up/down 4-bit binary counter. The DM74LS circuit is a synchronous up/down 4-bit binary counter. Synchronous operation is provided by hav- ing all flip-flops clocked simultaneously.

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The counters can then be easily cascaded by feeding the. The direction of counting is determined by which. The output will change.

Datasheet(PDF) – Fairchild Semiconductor

dagasheet The counters can then be easily cascaded by feeding the borrow and carry outputs to the count down and count up inputs respectively of the succeeding counter. Fairchild Semiconductor Electronic Components Datasheet.

The output will change independently of the count pulses. The clear, count, and load. The counter is fully programmable; that is, each output may be preset to either level by entering the desired data at the inputs while the load input is LOW. Both borrow and carry outputs. This mode of operation eliminates the output counting. View PDF for Mobile.

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74LS datasheet, Pinout ,application circuits Synchronous 4-Bit Binary Counter With Dual Clock

Similarly, the carry output produces a pulse equal in width. The outputs of the four master-slave flip-flops are triggered. Similarly, the carry output produces a pulse datzsheet in width to the count down input when an overflow condition exists. The clear, count, and load inputs are buffered to lower the drive requirements of clock drivers, etc.

This mode of operation eliminates the output counting spikes normally associated with asynchronous ripple- clock counters. The counter is fully programmable; that is, each output may. These counters were designed to be cascaded without the need for external circuitry.

The borrow output produces a pulse equal in width to the count down input when the counter underflows. Synchronous operation is provided by hav. Features s Fully independent clear input s Synchronous operation s Cascading circuitry provided internally s Individual preset each flip-flop Ordering Code: Both borrow and carry outputs are available to cascade both the up and down counting functions.

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Synchronous operation is provided by hav- ing all flip-flops clocked simultaneously, so that the outputs change together when so instructed by ddatasheet steering logic. This feature allows the counters to be used as modulo-N dividers by simply modi- fying the count length with the preset inputs.

This feature allows the. A clear input has been provided which, when taken to a.

74LS193 Datasheet

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. The direction of counting is determined by which count input is pulsed while the other count input is held HIGH. The borrow adtasheet produces a pulse equal in. These counters were designed to be cascaded without the.