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NC7SB3157, FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus Switch
March 2006
NC7SB3157, FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus Switch
General Description
The NC7SB3157 or FSA3157 is a high performance, single-pole/double-throw (SPDT) Analog Switch or 2:1 Multiplexer/Demultiplexer 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 specified to operate over the 1.65 to 5.5V VCC operating range. The control input tolerates voltages up to 5.5V independent of the VCC operating range.
Features
Useful in both analog and digital applications Space saving SC70 6-lead surface mount package Ultra small MicroPakTM Pb-Free leadless package Low On Resistance; < 10 on typ @ 3.3V VCC Broad VCC operating range; 1.65V to 5.5V Rail-to-Rail signal handling Power down high impedance control input Overvoltage tolerance of control input to 7.0V Break before make enable circuitry 250 MHz, 3dB bandwidth
Ordering Information
Product Code Package Number Top Mark
MAA06A MAA06A MAC06A MAA06A MAA06A MAC06A B7A B7A BB B7A B7A BB
Order Number
NC7SB3157P6X NC7SB3157P6X_NL 1 NC7SB3157L6X FSA3157P6X FSA3157P6X_NL 1 FSA3157L6X
Package Description
6-Lead SC70, EIAJ SC88, 1.25mm Wide Pb-Free 6-Lead SC70, EIAJ SC88, 1.25mm Wide Pb-Free 6-Lead MicroPak, 1.0mm Wide 6-Lead SC70, EIAJ SC88, 1.25mm Wide Pb-Free 6-Lead SC70, EIAJ SC88, 1.25mm Wide Pb-Free 6-Lead MicroPak, 1.0mm Wide
Supplied As
3k Units on Tape and Reel 3k Units on Tape and Reel 5k Units on Tape and Reel 3k Units on Tape and Reel 3k Units on Tape and Reel 5k Units on Tape and Reel
Pb-Free package per JEDEC J-STD-020B. Note: 1. "_NL" indicates Pb-Free package (per JEDEC J-STD-020B). Device available in Tape and Reel only.
MicroPakTM is a trademark of Fairchild Semiconductor Corporation.
(c)2006 Fairchild Semiconductor Corporation
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NC7SB3157, FSA3157 Rev. 1.0.1
NC7SB3157, FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus Switch
Logic Symbol
B1
Connection Diagrams
Pin Assignments for SC70
B1
1 6
S
S B0
A GND
2
1
5
VCC
0 B0
3 4
A
Analog Symbol
B1 GND S VCC A
(Top View) Pin One Orientation Diagram
AAA
B0
Pin One
(Top View)
Function Table
Input (S)
L H H = HIGH Logic Level L = LOW Logic Level
AAA = Product Code Top Mark , see Ordering Information.
Function
B0 Connected to A B1 Connected to A
Note: Orientation of Top Mark determines Pin One location. Read the top product code mark left to right, Pin One is the lower left pin (see diagram).
Pad Assignments for MicroPak
B1
1 6
S VCC A
Pin Descriptions
Pin Names
A, B0, B1 S
GND
2
5
Description
Data Ports Control Input
B0
3
4
(Top Through View)
2
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NC7SB3157, FSA3157 Rev. 1.0.1
NC7SB3157, FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus Switch
Absolute Maximum Ratings
(The "Absolute Maximum Ratings" are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the absolute maximum ratings. The "Recommended Operating Conditions" table will define the conditions for actual device operation.)
Symbol
VCC VS VIN IIK IOUT ICC/IGND TSTG TJ TL PD Supply Voltage () DC Switch Voltage2 DC Input Voltage2
Parameter
Rating
-0.5V to +7.0V -0.5V to VCC +0.5V -0.5V to +7.0V -50 mA 128 mA 100 mA -65C to +150C 150C 260C 180 mW 4000V
DC Input Diode Current @ (IIK) VIN < 0V DC Output Current DC VCC or Ground Current Storage Temperature Range Junction Temperature under Bias Junction Lead Temperature (Soldering, 10 seconds) Power Dissipation @ +85C ESD, Human Body Model
Recommended Operating Conditions3
Symbol
VCC VIN VIN VOUT TA tr, tf Supply Voltage Operating Control Input Voltage Switch Input Voltage Output Voltage Operating Temperature Input Rise and Fall Time Control Input VCC = 2.3V-3.6V Control Input VCC = 4.5V-5.5V JA Thermal Resistance 0 ns/V to 10 ns/V 0 ns/V to 5 ns/V 350C/W
Parameter
Rating
1.65V to 5.5V 0V to VCC 0V to VCC 0V to VCC -40C to +85C
Notes: 2. The input and output negative voltage ratings may be exceeded if the input and output diode current ratings are observed. 3. Control input must be held HIGH or LOW, it must not float.
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NC7SB3157, FSA3157 Rev. 1.0.1
NC7SB3157, FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus Switch
DC Electrical Characteristics
TA = +25C Symbol
VIH VIL IIN IOFF RON
TA = -40C to +85C Max Min
0.75 VCC 0.7 VCC
Parameter
HIGH Level Input Voltage LOW Level Input Voltage Input Leakage Current OFF State Leakage Current Switch On Resistance4
Conditions
VCC (V)
2.3 - 5.5 1.65 - 1.95 2.3 - 5.5
Min
Typ
Max
Units
V
1.65 - 1.95 0.75 VCC 0.7 VCC 0.25 VCC 0.3 VCC 0.05 0.05 3.0 5.0 7.0 3.0 4.0 10.0 2.3 5.0 13.0 1.65 6.5 17.0 5.5 0.1 0.1 7.0 12.0 15.0 9.0 20.0 12.0 30.0 20.0 50.0 1
0.25 VCC 0.3 VCC 1 1 7.0 12.0 15.0 9.0 20.0 12.0 30.0 20.0 50.0 10
V
0 VIN 5.5V 0 A, B VCC VIN = 0V, IO = 30 mA VIN = 2.4V, IO = -30 mA VIN = 4.5V, IO = -30 mA VIN = 0V, IO = 24 mA VIN = 3V, IO = -24 mA VIN = 0V, IO = 8 mA VIN = 2.3V, IO = -8 mA VIN = 0V, IO = 4 mA VIN = 1.65V, IO = -4 mA
0 - 5.5 1.65 - 5.5 4.5
A A A
ICC
Quiescent Supply Current All Channels ON or OFF Analog Signal Range
VIN = VCC or GND IOUT = 0
VCC IA = -30 mA, 0 VBn VCC IA = -24 mA, 0 VBn VCC IA = -8 mA, 0 VBn VCC IA = -4 mA, 0 VBn VCC IA = -30 mA, VBn = 3.15 IA = -24 mA, VBn 2.1 IA = -8 mA, VBn = 1.6 IA = -4 mA, VBn = 1.15 4.5 3.0 2.3 1.65 4.5 3.0 2.3 1.65 5.0 3.3 2.5 1.8
0
VCC
0
VCC 25.0 50.0 100 300
V
RRANGE
On Resistance Over Signal Range4, 8
RON
On Resistance Match Between Channels4, 5, 6
0.15 0.2 0.5 0.5 6.0 12.0 28.0 125
Rflat
On Resistance Flatness4, 5, 7
IA = -30 mA, 0 VBn VCC IA = -24 mA, 0 VBn VCC IA = -8 mA, 0 VBn VCC IA = -4 mA, 0 VBn VCC
Notes: 4. Measured by the voltage drop between A and B pins at the indicated current through the switch. On Resistance is determined by the lower of the voltages on the two (A or B Ports). 5. Parameter is characterized but not tested in production. 6. RON = RON max - RON min measured at identical VCC, temperature and voltage levels. 7. Flatness is defined as the difference between the maximum and minimum value of On Resistance over the specified range of conditions. 8. Guaranteed by Design.
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NC7SB3157, FSA3157 Rev. 1.0.1
NC7SB3157, FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus Switch
AC Electrical Characteristics
VCC Symbol
tPHL, tPLH
TA = +25C Min Typ Max
3.5 1.2 0.8 0.3 7.0 3.5 2.5 1.7 3.0 2.0 1.5 0.8 0.5 0.5 0.5 0.5 7.0 3.0 -57.0 -54.0 250 .011 23.0 13.0 6.9 5.2 12.5 7.0 5.0 3.5
TA = -40C to +85C Min Max
3.5 1.2 0.8 0.3 7.0 3.5 2.5 1.7 3.0 2.0 1.5 0.8 0.5 0.5 0.5 0.5 24.0 14.0 7.6 5.7 13.0 7.5 5.3 3.8
Parameter
Propagation Delay Bus to Bus10
Conditions
VI = OPEN
(V)
1.65 - 1.95 2.3 - 2.7 3.0 - 3.6 4.5 - 5.5
Figure Units Number
ns Figure 7 Figure 8
tPZL, tPZH
Output Enable Time Turn on Time (A to Bn)
VI = 2 x VCC for tPZL VI = 0V for tPZH
1.65 - 1.95 2.3 - 2.7 3.0 - 3.6 4.5 - 5.5
ns
Figure 7 Figure 8
tPLZ, tPHZ
Output Disable Time Turn Off Time (A Port to B Port)
VI = 2 x VCC for tPLZ VI = 0V for tPHZ
1.65 - 1.95 2.3 - 2.7 3.0 - 3.6 4.5 - 5.5
ns
Figure 7 Figure 8
tB-M
Break Before Make Time9
1.65 - 1.95 2.3 - 2.7 3.0 - 3.6 4.5 - 5.5
ns
Figure 9
Q
Charge
Injection9
CL = 0.1 nF, VGEN = 0V, RGEN = 0 RL = 50, f = 10MHz RL = 50, f = 10MHz RL = 50 RL = 600, 0.5 VP-P, f = 600 Hz to 20 KHz
5.0 3.3 1.65 - 5.5 1.65 - 5.5 1.65 - 5.5 5.0
pC
Figure 10
OIRR Xtalk BW THD
Off Isolation11 Crosstalk -3dB Bandwidth Total Harmonic Distortion9
dB dB MHz %
Figure 11 Figure 12 Figure 15
Capacitance12
Symbol
CIN CIO-B CIOA-ON
Parameter
Control Pin Input Capacitance B Port Off Capacitance A Port Capacitance When Switch Is Enabled
Typ
2.3 6.5 18.5
Max
Units
pF pF pF
Conditions
VCC = 0V VCC = 5.0V VCC = 5.0V
Figure Number
Figure 13 Figure 14
Notes: 9. Guaranteed by Design. 10. This parameter is guaranteed by design but not tested. The bus switch contributes no propagation delay other than the RC delay of the On Resistance of the switch and the 50 pF load capacitance, when driven by an ideal voltage source (zero output impedance). 11. Off Isolation = 20 log10 [VA / VBn] 12. TA = +25C, f = 1 MHz, Capacitance is characterized but not tested in production.
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NC7SB3157, FSA3157 Rev. 1.0.1
NC7SB3157, FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus Switch
Typical Characteristics
0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 1 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 1
VCC = 1.65V
VCC = 5.5V
Off Isolation (dB)
10
100
1000
Off Isolation (dB)
10
100
1000
Frequency (MHz)
Frequency (MHz)
Figure 1. Off Isolation, VCC = 1.65V
Figure 2. Off Isolation, VCC = 5.5V
0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 1
VCC = 1.65V
0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 1
VCC = 5.5V
Crosstalk (dB)
10
100
1000
Crosstalk (dB)
10
100
1000
Frequency (MHz)
Frequency (MHz)
Figure 3. Crosstalk, VCC = 1.65V
Figure 4. Crosstalk, VCC = 5.5V
0 -1 -2 Gain (dB) Gain (dB)
CL = 0pF VCC = 1.65V
0 -1 -2 -3 -4 -5 -6 -7 -8 1 10 100 1000 1 10 100 1000 Frequency (MHz) Frequency (MHz)
CL = 0pF VCC = 5.5V
-3 -4 -5 -6 -7 -8
Figure 5. Bandwidth, VCC = 1.65V
Figure 6. Bandwidth, VCC = 5.5V
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NC7SB3157, FSA3157 Rev. 1.0.1
NC7SB3157, FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus Switch
AC Loading and Waveforms
VI FROM OUTPUT UNDER TEST RU
CL
RD
Notes: Input driven by 50 source terminated in 50 CL includes load and stray capacitance Input PRR = 1.0 MHz; tW = 500 ns
Figure 7. AC Test Circuit
tr = 2.5ns
90% 90% 50%
tr = 2.5ns VCC
tr = 2.5ns
90% 90% 50%
tr = 2.5ns VCC
Control Input
10%
50%
10%
Switch Input
10%
GND tPLZ VTRI
50%
tPZL
10%
tW tPLH tPHL
GND Output VOH
50%
VOL+0.3V VOL tPHZ VOH
Output
50%
50%
tPZH VOL Output
50%
VOH-0.3V VTRI
Figure 8. AC Waveforms
VIN
B0 A B1 S RL CL VOUT Logic Input VOUT
Logic Input tD
0.9 x VOUT
Figure 9. Break Before Make Interval Timing
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NC7SB3157, FSA3157 Rev. 1.0.1
NC7SB3157, FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus Switch
RGEN VGE
BN S
A
VOUT RL 1M CL 100pF
Logic Input VOUT
OFF
ON
OFF VOUT
Logic Input
Q = (VOUT)(CL)
Figure 10. Charge Injection Test
10nF Signal Generator 0dBm
10nF
50
A
VCC S Logic Input 0V or VIH
B0 VCC B1 S GND 50
A 50
Analyzer 50
BN GND
Analyzer
Figure 11. Off Isolation
Figure 12. Crosstalk
10nF Capacitance Meter f = 1MHz
10nF
A Capacitance Meter f = 1MHz BN
VCC S GND Logic Input 0V or VCC
A
VCC S Logic Input 0V or VCC
BN GND
Figure 13. Channel Off Capacitance
Figure 14. Channel On Capacitance
10nF
Signal Generator 0dBm Logic Input 0V or VCC
BN S
VCC
A 50
GND
Figure 15. Bandwidth
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NC7SB3157, FSA3157 Rev. 1.0.1
NC7SB3157, FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus Switch
Tape and Reel Specification
Tape Format for SC70 Package Designator
P6X
Tape Section
Leader (Start End) Carrier Trailer (Hub End)
Number Cavities
125 (typ) 3000 75 (typ)
Cavity Status
Empty Filled Empty
Cover Tape Status
Sealed Sealed Sealed
Tape Dimensions inches (millimeters)
Package
SC70-6
Tape Size
8 mm
DIM A
0.093 (2.35)
DIM B
0.096 (2.45)
DIM F
DIM Ko
DIM P1
0.157 (4)
DIM W
0.315 0.004 (8 0.1)
0.138 0.004 0.053 0.004 (3.5 0.10) (1.35 0.10)
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NC7SB3157, FSA3157 Rev. 1.0.1
NC7SB3157, FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus Switch
Tape Format for MicroPak Package Designator
L6X
Tape Section
Leader (Start End) Carrier Trailer (Hub End)
Number Cavities
125 (typ) 5000 75 (typ)
Cavity Status
Empty Filled Empty
Cover Tape Status
Sealed Sealed Sealed
Tape Dimensions inches (millimeters)
10
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NC7SB3157, FSA3157 Rev. 1.0.1
NC7SB3157, FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus Switch
Reel Dimensions inches (millimeters)
Tape Size
8 mm
A
7.0 (177.8)
B
0.059 (1.50)
C
D
N
W1
W2
0.567 (14.40)
W3
W1 + 0.078/-0.039 (W1 + 2.00/-1.00)
0.512 0.795 2.165 0.331 + 0.059/-0.000 (13.00) (20.20) (55.00) (8.40 + 1.50/-0.00)
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NC7SB3157, FSA3157 Rev. 1.0.1
NC7SB3157, FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus Switch
Physical Dimensions inches (millimeters) unless otherwise noted
6-Lead SC70, EIAJ SC88, 1.25mm Wide Package Number MAA06A
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NC7SB3157, FSA3157 Rev. 1.0.1
NC7SB3157, FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus Switch
Pb-Free 6-Lead MicroPak, 1.0mm Wide Package Number MAC06A
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NC7SB3157, FSA3157 Rev. 1.0.1
NC7SB3157, FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus Switch
TRADEMARKS
The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks.
ACExTM FAST(R) ActiveArrayTM FASTrTM BottomlessTM FPSTM Build it NowTM FRFETTM CoolFETTM GlobalOptoisolatorTM CROSSVOLTTM GTOTM DOMETM HiSeCTM EcoSPARKTM I2CTM 2 E CMOSTM i-LoTM EnSignaTM ImpliedDisconnectTM FACTTM IntelliMAXTM FACT Quiet SeriesTM Across the board. Around the world.TM The Power Franchise(R) Programmable Active DroopTM
DISCLAIMER
ISOPLANARTM LittleFETTM MICROCOUPLERTM MicroFETTM MicroPakTM MICROWIRETM MSXTM MSXProTM OCXTM OCXProTM OPTOLOGIC(R) OPTOPLANARTM PACMANTM POPTM Power247TM PowerEdgeTM
PowerSaverTM PowerTrench(R) QFET(R) QSTM QT OptoelectronicsTM Quiet SeriesTM RapidConfigureTM RapidConnectTM SerDesTM ScalarPumpTM SILENT SWITCHER(R) SMART STARTTM SPMTM StealthTM SuperFETTM SuperSOTTM-3
SuperSOTTM-6 SuperSOTTM-8 SyncFETTM TCMTM TinyLogic(R) TINYOPTOTM TruTranslationTM UHCTM UltraFET(R) UniFETTM VCXTM WireTM
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILDiS PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 2. A critical component is any component of a life 1. Life support devices or systems are devices or support device or system whose failure to perform can systems which, (a) are intended for surgical implant into be reasonably expected to cause the failure of the life the body, or (b) support or sustain life, or (c) whose support device or system, or to affect its safety or failure to perform when properly used in accordance with instructions for use provided in the labeling, can be effectiveness. reasonably expected to result in significant injury to the user. PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Advance Information Product Status Formative or In Design Definition This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. This datasheet contains preliminary data, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design.
Preliminary
First Production
No Identification Needed
Full Production
Obsolete
Not In Production
This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only.
Rev. I18
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NC7SB3157, FSA3157 Rev. 1.0.1

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