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| NC7SB3157 * FSA3157 TinyLogic Low Voltage UHS SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus Switch January 2000 Revised June 2003 NC7SB3157 * FSA3157 TinyLogic Low Voltage UHS 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 from Fairchild's Ultra High Speed Series of TinyLogic. 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 s Useful in both analog and digital applications s Space saving SC70 6-lead surface mount package s Ultra small MicroPak leadless package s Low On Resistance; < 10 on typ @ 3.3V VCC s Broad VCC operating range; 1.65V to 5.5V s Rail-to-Rail signal handling s Power down high impedance control input s Overvoltage tolerance of control input to 7.0V s Break before make enable circuitry s 250 MHz - 3dB bandwidth Ordering Code: Order Number NC7SB3157P6X NC7SB3157L6X FSA3157P6X FSA3157L6X Package Number MAA06A MAC06A MAA06A MAC06A Product Code Top Mark B7A BB B7A BB Package Description 6-Lead SC70, EIAJ SC88, 1.25mm Wide 6-Lead MicroPak, 1.0mm Wide 6-Lead SC70, EIAJ SC88, 1.25mm Wide 6-Lead MicroPak, 1.0mm Wide Supplied As 3k Units on Tape and Reel 5k Units on Tape and Reel 3k Units on Tape and Reel 5k Units on Tape and Reel TinyLogic is a registered trademark and MicroPak is a trademark of Fairchild Semiconductor Corporation. (c) 2003 Fairchild Semiconductor Corporation DS500326 www.fairchildsemi.com NC7SB3157 * FSA3157 Logic Symbol Connection Diagrams Pin Assignments for SC70 Analog Symbol (Top View) Pin One Orientation Diagram AAA = Product Code Top Mark - see ordering code. Function Table Input (S) L H H = HIGH Logic Level 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). Function B0 Connected to A B1 Connected to A L = LOW Logic Level Pad Assignments for MicroPak Pin Descriptions Pin Names A, B0, B1 S Description Data Ports Control Input (Top Thru View) www.fairchildsemi.com 2 NC7SB3157 * FSA3157 Absolute Maximum Ratings(Note 1) Supply Voltage (VCC) DC Switch Voltage (VS) (Note 2) DC Input Voltage (VIN) (Note 2) DC Input Diode Current (IIK) @ (IIK) VIN < 0V DC Output Current (IOUT) DC VCC or Ground Current (ICC/IGND) Storage Temperature Range (TSTG) Junction Temperature under Bias (TJ) Junction Lead Temperature (TL) (Soldering, 10 seconds) Power Dissipation (PD) @ +85C 260C 180 mW -0.5V to +7.0V -0.5V to VCC +0.5V -0.5V to +7.0V -50 mA 128 mA Recommended Operating Conditions (Note 3) Supply Voltage Operating (VCC) Control Input Voltage (VIN ) Switch Input Voltage (VIN) Output Voltage (VOUT) Operating Temperature (TA) Input Rise and Fall Time (tr, tf) Control Input VCC = 2.3V - 3.6V Control Input VCC = 4.5V - 5.5V Thermal Resistance (JA) 0 ns/V to 10 ns/V 0 ns/V to 5 ns/V 350C/W 1.65V to 5.5V 0V to VCC 0V to VCC 0V to VCC -40C to +85C 100 mA -65C to +150C 150C Note 1: Absolute maximum ratings are DC values beyond which the device may be damaged or have its useful life impaired. The datasheet specifications should be met, without exception, to ensure that the system design is reliable over its power supply, temperature, and output/input loading variables. Fairchild does not recommend operation outside datasheet specifications. Note 2: The input and output negative voltage ratings may be exceeded if the input and output diode current ratings are observed. Note 3: Control input must be held HIGH or LOW, it must not float. DC Electrical Characteristics Symbol VIH VIL IIN IOFF RON Parameter HIGH Level Input Voltage LOW Level Input Voltage Input Leakage Current Switch On Resistance (Note 4) 3.0 2.3 1.65 ICC Quiescent Supply Current All Channels ON or OFF Analog Signal Range RRANGE On Resistance Over Signal Range (Note 4)(Note 8) RON On Resistance Match Between Channels (Note 4)(Note 5)(Note 6) VCC (V) 2.3 - 5.5 1.65 - 1.95 2.3 - 5.5 0 - 5.5 4.5 0.05 0.05 3 5 7 4 10 5 13 6.5 17 5.5 VCC 4.5 3.0 2.3 1.65 4.5 3.0 2.3 1.65 0.15 0.2 0.5 0.5 0 Min 0.7 VCC 0.25 VCC 0.3 VCC 0.1 0.1 7 12 15 9 20 12 30 20 50 1 VCC 0 1.65 - 1.95 0.75 VCC TA = +25C Typ Max TA = -40C to +85C Min 0.75 VCC 0.7 VCC 0.25 VCC 0.3 VCC 1 1 7 12 15 9 20 12 30 20 50 10 VCC 25 50 100 300 Max V V A A A V 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 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 VIN = VCC or GND IOUT = 0 Units Conditions OFF State Leakage Current 1.65 - 5.5 3 www.fairchildsemi.com NC7SB3157 * FSA3157 DC Electrical Characteristics Symbol Rflat Parameter On Resistance Flatness (Note 4)(Note 5)(Note 7) VCC (V) 5.0 3.3 2.5 1.8 (Continued) TA = +25C TA = -40C to +85C Max Min Max IA = -30 mA, 0 VBn VCC IA = -24 mA, 0 VBn VCC IA = -8 mA, 0 VBn V CC IA = -4 mA, 0 VBn V CC Units Conditions Min Typ 6 12 28 125 Note 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). Note 5: Parameter is characterized but not tested in production. Note 6: RON = RON max - RON min measured at identical VCC, temperature and voltage levels. Note 7: Flatness is defined as the difference between the maximum and minimum value of On Resistance over the specified range of conditions. Note 8: Guaranteed by Design. AC Electrical Characteristics Symbol tPHL tPLH Parameter Propagation Delay Bus to Bus (Note 10) tPZL tPZH Output Enable Time Turn on Time (A to Bn) tPLZ tPHZ Output Disable Time Turn Off Time (A Port to B Port) tB-M VCC (V) 1.65 - 1.95 2.3 - 2.7 3.0 - 3.6 4.5 - 5.5 1.65 - 1.95 2.3 - 2.7 3.0 - 3.6 4.5 - 5.5 1.65 - 1.95 2.3 - 2.7 3.0 - 3.6 4.5 - 5.5 Break Before Make Time 1.65 - 1.95 (Note 9) 2.3 - 2.7 3.0 - 3.6 4.5 - 5.5 Q OIRR Xtalk BW THD Charge Injection (Note 9) Off Isolation (Note 11) Crosstalk -3dB Bandwidth Total Harmonic Distortion (Note 9) Note 9: Guaranteed by Design. Note 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). Note 11: Off Isolation = 20 log10 [VA / VBn] TA = +25C Min Typ Max 3.5 1.2 0.8 0.3 7 3.5 2.5 1.7 3 2 1.5 0.8 0.5 0.5 0.5 0.5 7 3 -57 -54 250 .011 23 13 6.9 5.2 12.5 7 5 3.5 TA = -40C to +85C Min Max 3.5 1.2 0.8 0.3 7 3.5 2.5 1.7 3 2 1.5 0.8 0.5 0.5 0.5 0.5 24 14 7.6 5.7 13 7.5 5.3 3.8 Units Conditions Figure Number ns VI = OPEN Figures 1, 2 ns VI = 2 x VCC for tPZL VI = 0V for tPZH Figures 1, 2 ns VI = 2 x VCC for tPLZ VI = 0V for tPHZ Figures 1, 2 ns Figure 3 5.0 3.3 1.65 - 5.5 1.65 - 5.5 1.65 - 5.5 5 pC dB dB MHz % 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 Figure 4 Figure 5 Figure 6 Figure 9 www.fairchildsemi.com 4 NC7SB3157 * FSA3157 Capacitance Symbol CIN CIO-B CIOA-ON (Note 12) Parameter Typ 2.3 6.5 18.5 Max Units pF pF pF Conditions VCC = 0V VCC = 5.0V VCC = 5.0V Figure 7 Figure 8 Figure Number Control Pin Input Capacitance B Port Off Capacitance A Port Capacitance When Switch Is Enabled Note 12: TA = +25C, f = 1 MHz, Capacitance is characterized but not tested in production. AC Loading and Waveforms Note: Input driven by 50 source terminated in 50 Note: CL includes load and stray capacitance Note: Input PRR = 1.0 MHz; tW = 500 ns FIGURE 1. AC Test Circuit FIGURE 2. AC Waveforms FIGURE 3. Break Before Make Interval Timing 5 www.fairchildsemi.com NC7SB3157 * FSA3157 AC Loading and Waveforms (Continued) FIGURE 4. Charge Injection Test FIGURE 5. Off Isolation FIGURE 6. Crosstalk FIGURE 7. Channel Off Capacitance FIGURE 8. Channel On Capacitance FIGURE 9. Bandwidth www.fairchildsemi.com 6 NC7SB3157 * FSA3157 Tape and Reel Specification TAPE FORMAT for SC70 Package Designator P6X Tape Section Leader (Start End) Carrier Trailer (Hub End) TAPE DIMENSIONS inches (millimeters) Number Cavities 125 (typ) 3000 75 (typ) Cavity Status Empty Filled Empty Cover Tape Status Sealed Sealed Sealed Package SC70-6 Tape Size 8 mm DIM A 0.093 (2.35) DIM B 0.096 (2.45) DIM F (3.5 0.10) DIM Ko (1.35 0.10) DIM P1 0.157 (4) DIM W 0.315 0.004 (8 0.1) 0.138 0.004 0.053 0.004 7 www.fairchildsemi.com NC7SB3157 * FSA3157 Tape and Reel Specification TAPE FORMAT for MicroPak Package Designator L6X Tape Section Leader (Start End) Carrier Trailer (Hub End) TAPE DIMENSIONS inches (millimeters) (Continued) Number Cavities 125 (typ) 5000 75 (typ) Cavity Status Empty Filled Empty Cover Tape Status Sealed Sealed Sealed REEL DIMENSIONS inches (millimeters) Tape Size 8 mm A 7.0 (177.8) B 0.059 (1.50) C 0.512 (13.00) D 0.795 (20.20) N 2.165 (55.00) W1 0.331 + 0.059/-0.000 (8.40 + 1.50/-0.00) W2 0.567 (14.40) W3 W1 + 0.078/-0.039 (W1 + 2.00/-1.00) www.fairchildsemi.com 8 NC7SB3157 * FSA3157 Physical Dimensions inches (millimeters) unless otherwise noted 6-Lead SC70, EIAJ SC88, 1.25mm Wide Package Number MAA06A 9 www.fairchildsemi.com NC7SB3157 * FSA3157 TinyLogic Low Voltage UHS SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus Switch Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 6-Lead MicroPak, 1.0mm Wide Package Number MAC06A Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right at any time without notice to change said circuitry and specifications. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. www.fairchildsemi.com 10 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. www.fairchildsemi.com |
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