74161 COUNTER DATA SHEET PDF

They are edge-triggered, synchronously presettable, and cascadable MSI building blocks for counting, memory addressing, frequency division and other applications. These synchronous, presettable counters feature an internal carry look-ahead for application in high-speed counting designs. The Synchronous Counter is 4-bit binary counters. The carry output is decoded by means of a NOR gate, thus preventing spikes during the normal counting mode of operation. Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when so instructed by the count-enable inputs and internal gating. This mode of operation eliminates the output counting spikes which are normally associated with asynchronous ripple clock counters.

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Our standard product range covers a wide temperature range with long term availability and no mask changes guaranteed. Matching of die size, wire-bond configuration and like-for-like electrical performance delivers a qualified long term die solution. Suitable for low-to-medium volume or hi-rel applications. We combine technical requirement with project economics for a viable die solution. The 74LS programmable 4—bit asynchronous binary counter features parallel load, asynchronous reset, ripple-carry output for cascading and count-enable controls.

Product Families: Used for this device are tabulated below. Specification: V CC Min : 4. Other Detail: Important information for this device is tabulated below. Amber: Available on factory order with MOQ.

Red: High factory MOQ may apply, please ask for details. Traffic light setting for High Reliability indicates the following: Green: This bare die is specified and tested for use in high reliability applications.

Red: This bare die is not specified or specifically designed for use in high reliability applications. Traffic light setting for Space Grade indicates the following: Green: This bare die is qualified for space applications or has space level qualification data, please ask for details.

Amber: This bare die can be specified for space applications with additional testing and qualification, please ask for details. Red: Suitability of this bare die for space applications is unknown and requires further qualification, please ask for details.

Email Engineering. Hi-Rel Die Products Our standard product range covers a wide temperature range with long term availability and no mask changes guaranteed.

Obsolete Die Recreation Matching of die size, wire-bond configuration and like-for-like electrical performance delivers a qualified long term die solution.

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74161 Datasheet PDF

By using our site, you acknowledge that you have read and understand our Cookie Policy , Privacy Policy , and our Terms of Service. Electrical Engineering Stack Exchange is a question and answer site for electronics and electrical engineering professionals, students, and enthusiasts. It only takes a minute to sign up. I am trying to get a N 4-bit counter to work. If I connect the clock input to a button to ground, pressing the button increments the counter. Unfortunately due to the physical connection in the button, it will sometimes send out extra pulses causing the counter to do multiple counts in fractions of a second. This leads to the counter counting unreliably.

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74161 COUNTER. Datasheet pdf. Equivalent

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