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EK42421-01 Datasheet(PDF) 4 Page - Peregrine Semiconductor Corp.

Part # EK42421-01
Description  SPDT UltraCMOS
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Manufacturer  PEREGRINE [Peregrine Semiconductor Corp.]
Direct Link  http://www.peregrine-semi.com
Logo PEREGRINE - Peregrine Semiconductor Corp.

EK42421-01 Datasheet(HTML) 4 Page - Peregrine Semiconductor Corp.

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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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