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EK42421-01 Datasheet(PDF) 4 Page - Peregrine Semiconductor Corp. |
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EK42421-01 Datasheet(HTML) 4 Page - Peregrine Semiconductor Corp. |
4 / 9 page Product Specification PE42421 Page 4 of 9 ©2010-2013 Peregrine Semiconductor Corp. All rights reserved. Document No. 70-0396-03 │ UltraCMOS® RFIC Solutions Control Voltages Signal Path Pin 6 (VDD) = VDD Pin 4 (CTRL) = High RFC to RF2 Pin 6 (VDD) = VDD Pin 4 (CTRL) = Low RFC to RF1 Table 5. Single-pin Control Logic Truth Table Table 6. Complementary-pin Control Logic Truth Table Control Voltages Signal Path Pin 6 (CTRL or VDD) = Low Pin 4 (CTRL) = High RFC to RF2 Pin 6 (CTRL or VDD) = High Pin 4 (CTRL) = Low RFC to RF1 Control Logic Input The PE42421 is a versatile RF CMOS switch that supports two operating control modes; single-pin control mode and complementary-pin control mode. Single-pin control mode enables the switch to operate with a single control pin (pin 4) supporting a +3-volt CMOS logic input, and requires a dedicated +3-volt power supply connection on pin 6 (VDD). This mode of operation reduces the number of control lines required and simplifies the switch control interface typically derived from a CMOS Processor I/O port. Complementary-pin control mode allows the switch to operate using complementary control pins CTRL and CTRL (pins 4 & 6), that can be directly driven by +3-volt CMOS logic or a suitable Processor I/O port. This enables the PE42421 to be used as a potential alternate source for SPDT RF switch products used in positive control voltage mode and operating within the PE42421 operating limits. |
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