SY58030UMI

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The SY58030UMI is a logic signal switch, multiplexer and decoder unit optimized for hand-held consumer electronics products. It belongs to a category of logic devices which provide a range of switc he s , multiplexers, and decoders that serve to connect and route electrical signals. This device is specifically designed to accommodate the small form factor of mobile electronics.

The SY58030UMI is composed of four independent 2:1 multiplexers which are used to select either one of two data sources. It is composed of Schmitt trigger circuits which provide hysteresis and a wide operational range for both digital and analog control signals. The device operates from a single +1.8V to +3.6V voltage supply, making it suitable for low voltage applications.

Logic signals from two independent sources, denoted A and B, can be routed to the logic switch by means of a select line. A low logic state on the select line activates data from source A, while a high logic state activates data from source B. The select lines are triggered externally from a TTL/CMOS-compatible input.

The SY58030UMI also contains four sets of three-state output drivers which can be used to drive either active-high or active-low CMOS outputs. The direction of data flow is determined by the logic states of the output enable pins. If a logic high level is applied to the output enable pin, the output enables are active, resulting in data routed to the output driver, otherwise the output is in a high-impedance state.

The SY58030UMI is also capable of decoding up to four address inputs which determine the source of the data. All four address inputs are triggered externally from a TTL/CMOS-compatible input voltage. While all four address inputs are active at the same time, providing address decoding, the device can also be used for data routing as well.

In summary, the SY58030UMI is an extremely versatile logic device which can be used for both digital and analog control, data routing and address decoding. In addition to its large operating range and low supply voltage, the device can be used in applications requiring both active-high and active-low output signals. This versatility makes the device suitable for hand-held consumer products, such as mobile phones and PDAs.

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