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Please
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NC7SB3157, FSA3157 — Low-Voltage SPDT Analog Switch or 2:1 Multiplexer / De-multiplexer Bus Switch
March 2009
NC7SB3157, FSA3157
Low-Voltage SPDT Analog Switch or 2:1Multiplexer /
De-multiplexer Bus Switch
Features
■
Useful in Both Analog and Digital Applications
■
Space-Saving, SC70 6-Lead Surface Mount Package
■
Ultra-Small, MicroPak™ Leadless Package
■
Low On Resistance: <10Ω on Typical at 3.3V V
CC
■
Broad V
CC
Operating Range: 1.65V to 5.5V
■
Rail-to-Rail Signal Handling
■
Power-Down, High-Impedance Control Input
■
Over-Voltage Tolerance of Control Input to 7.0V
■
Break-Before-Make Enable Circuitry
■
250MHz, 3dB Bandwidth
Description
The NC7SB3157 / FSA3157 is a high-performance, sin-
gle-pole / double-throw (SPDT) analog switch or 2:1 mul-
tiplexer / de-multiplexer bus switch.
The device is fabricated with advanced sub-micron
CMOS technology to achieve high-speed enable and
disable times and low on resistance. The break-before-
make select circuitry prevents disruption of signals on
the B Port due to both switches temporarily being
enabled during select pin switching. The device is speci-
fied to operate over the 1.65 to 5.5V V
CC
operating
range. The control input tolerates voltages up to 5.5V,
independent of the V
CC
operating range.
Ordering Information
Part Number
NC7SB3157P6X
NC7SB3157L6X
FSA3157P6X
FSA3157L6X
Top
Mark
B7A
BB
B7A
BB
Eco Status
RoHS
RoHS
RoHS
RoHS
Package Description
6-Lead, SC70, EIAJ SC88, 1.25mm Wide Package
6-Lead, MicroPak 1.0mm Wide Package
6-Lead, SC70, EIAJ SC88, 1.25mm Wide Package
6-Lead, MicroPak 1.0mm Wide Package
Packing
Method
3000 Units on
Tape and Reel
5000 Units on
Tape and Reel
3000 Units on
Tape and Reel
5000 Units on
Tape and Reel
For Fairchild’s definition of “green” Eco Status, please visit:
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Industrial Control Electronics
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