SN74AS869DWRG4

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The SN74AS869DWRG4 is a parametric dual 4-bit binary up/down counter designed for logic-level applications such as frequency division and counting. It is designed to operate at a relatively low power and operates from a single-supply voltage range from 2.7V to 3.6 V.

The SN74AS869DWRG4 is composed of two 4-bit binary up/down counters, A and B, that are separately clocked by two distinct clock inputs. The count direction of each counter is determined by its corresponding reversible asynchronous UP/DOWN input. These inputs can be used to direct up or down counting, or preset the count state to 0000b or 1111b.

In addition to operating as a free-running counter/divider, the SN74AS869DWRG4 can be used as an address/data selector. When either the UP/DOWN or the COUNT/SELECT input is held high, the outputs of counter A remain in their static state and the outputs of counter B indicate the state of the UP/DOWN input.

The SN74AS869DWRG4 is packaged in a 12-pin TSSOP package which offers larger mounting area than most other packages. It also includes a power-saving Schmitt trigger which ensures that the input signal is clean and has low noise. This reduces the signal-to-noise ratio and enables the counter/ divider to operate more efficiently.

The SN74AS869DWRG4 is suitable for a wide range of low-frequency applications such as frequency division, clock synchronization and timing. The device is also ideal for memory address decoding, and data transmission. The counter/divider can be used to count up to 4 or 8 bits and divide the frequency by any value within the range of 1 to 8, depending on the application.

The device features a power-saving Schmitt trigger which ensures that the input signal is clean and has low noise. This reduces the signal-to-noise ratio and enables the counter/divider to operate more efficiently. It is also designed to operate from a single-supply voltage range of 2.7V to 3.6V. The outputs are compatible with both positive and negative logic.

The SN74AS869DWRG4 is designed to operate at a relatively low power and can operate in temperatures ranging from -40°C to +85°C. Due to its low power requirement and compact packaging, the SN74AS869DWRG4 is ideal for use in portable and battery-dependent applications.

Overall, the SN74AS869DWRG4 is a versatile dual 4-bit binary up/down counter designed for low-power logic-level applications such as frequency division, time division multiplexing, address decoding, memory address decoding, and counter/divider applications. Its low power requirement and wide operating temperature range make it suitable for a variety of applications.

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