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PE4273 Datasheet(PDF) 3 Page - Peregrine Semiconductor Corp. |
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PE4273 Datasheet(HTML) 3 Page - Peregrine Semiconductor Corp. |
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3 / 11 page  Product Specification PE4273 Page 3 of 11 ©2005-2006 Peregrine Semiconductor Corp. All rights reserved. Document No. 70-0174-04 │ www.psemi.com Control Voltages Signal Path Pin 6 (V2) = VDD Pin 4 (V1) = High RFC to RF1 Pin 6 (V2) = VDD Pin 4 (V1) = Low RFC to RF2 Table 5. Single-pin Control Logic Truth Table Table 6. Complementary-pin Control Logic Truth Table Control Voltages Signal Path Pin 6 (V2) = Low Pin 4 (V1) = High RFC to RF1 Pin 6 (V2) = High Pin 4 (V1) = Low RFC to RF2 Control Logic Input The PE4273 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 (pin 6). This mode of operation reduces the number of control lines required and simplifies the switch control interface typically derived from a CMOS µProcessor I/O port. Complementary-pin control mode allows the switch to operate using complementary control pins V1 and V2 (pins 4 & 6), that can be directly driven by +3-volt CMOS logic or a suitable µProcessor I/O port. This enables the PE4273 to operate in positive control voltage mode within the PE4273 operating limits. |
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