74V2T66 Dual bilateral switch Features ■ High speed: – tPD = 0.6ns (Typ) at VCC = 5V ■ Compatible with TTL level ■ Low power consumpition – ICC = 1mA(Max.) at TA = 25°C ■ Low "ON" resistance: – RON = 10Ω (Typ.) at VCC = 5V II/O = 1mA ■ Sine wave distortion: – 0.04% at VCC = 5.0V, f = 1KHz ■ Operating voltage range: – VCC (Opr) = 2.0V to 3.6V SOT23-8L Description The 74V2T66 is an advanced high-speed CMOS dual bilateral switch fabricated in silicon gate C2MOS technology. It achieves high speed propagation delay and very low on resistances while maintaining true CMOS low power consumption. This bilateral switch handles rail to rail analog and digital signals that may vary across the full power supply range (from GND to VCC) The C input is provided to control the switch and it’s compatible with standard CMOS output; the switch is ON (port I/O is connected to Port O/I) when the C input is held high and OFF (high impedance state exists between the two ports) when C is held low. It can be used in many application as Battery Powered System, Test Equipment. It’s available in the commercial and extended temperature range in SOT23-8L package. All inputs and output are equipped with protection circuits against static discharge, giving them ESD immunity and transient excess voltage. Order code Part number Package Packing 74V2T66STR SOT23-8L Tape and reel January 2007 Rev 4 1/14 www.st.com 14 Contents 74V2T66 Contents 1 Logic symbols and I/O equivalent circuit . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Pin settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 2.1 Pin connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.3 Truth table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.1 Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 Switching caracteristics test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 6 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2/14 74V2T66 1 Logic symbols and I/O equivalent circuit Logic symbols and I/O equivalent circuit Figure 1. IEC logic symbols Figure 2. Input and output equivalent circuit 3/14 Pin settings 74V2T66 2 Pin settings 2.1 Pin connection Figure 3. 2.2 Pin connection (top through view) Pin description Table 1. Pin description 2.3 Pin N° Symbol Name and function 1, 5 1I/O, 2I/O Independent Input/Output 2, 6 1O/I, 2O/I Independent Output/Input 7, 3 1C, 2C 4 GND Ground (0V) 8 VCC Positive Supply Voltage Enable Input (Active HIGH) Truth table Table 2. Truth table Control Switch Function H ON L OFF (1) 1. High impedance state 4/14 74V2T66 3 Maximum rating Maximum rating stressing the device above the rating listed in the “absolute maximum ratings” table may cause permanent damage to the device. these are stress ratings only and operation of the device at these or any other conditions above those indicated in the operating sections of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. refer also to the STMicroelectronics sure program and other relevant quality documents. Table 3. Absolute maximum ratings Symbol VCC Supply voltage Value Unit -0.5 to +7.0 V -0.5 to VCC + 0.5 V -0.5 to +7.0 V -0.5 to VCC + 0.5 V VI DC input voltage VIC DC control input voltage VO DC output voltage IIK DC input diode current ± 20 mA IIK DC control input diode current - 20 mA IOK DC output diode current ± 20 mA IO DC output current ± 50 mA DC VCC or ground current ± 50 mA -65 to +150 °C 300 °C Value Unit Supply voltage 4.5 to 5.5 V VI Input voltage 0 to VCC V VIC Control input voltage 0 to 5.5 V VO Output voltage 0 to VCC V Top Operating temperature -55 to 125 °C 0 to 20 ns/V ICC or IGND Tstg TL 3.1 Parameter Storage temperature Lead temperature (10 sec) Recommended operating conditions Table 4. Recommended operating conditions Symbol VCC dt/dv Parameter Input rise and fall time (1)VCC = 5.0V 1. VIN from 0.8V to 2V on control pin 5/14 Electrical characteristics 4 74V2T66 Electrical characteristics Table 5. DC characteristics Test condition Symbol Parameter TA = 25°C VCC (V) High level input voltage 5.0(1) VIL Low level input voltage 5.0(1) ON resistance VIC = VIH V I/O = VCC to 5.0(1) GND II/O ≤ 1mA ON resistance VIC = VIH V I/O = VCC or 5.0(1) GND II/O ≤ 1mA RON -40 to 85°C -55 to 125°C Unit Min. Typ. Max. Min. Max. Min. Max. VIH RON Value 2 2 2 V 0.8 0.8 0.8 V 12 17 20 24 Ω 10 14 18 20 Ω ±0.1 ±1 ±1 µA Input/output leakage current (SWITCH OFF) 5.5 VOS = VCC to GND VIS = VCC to GND VIC = VIL IIZ Switch input leakage current (switch on, output open) 5.5 VOS = VCC to GND VIC = VIH ±0.1 ±1 ±5 µA IIN Control input leakage current 0 to 5.5 VIC = 5.5V or GND ± 0.1 ± 1.0 ± 1.0 µA ICC Quiescent supply current 5.5 VI = VCC or GND 1 10 20 µA IOFF 1. Voltage range is 5V ± 0.5V Table 6. Test condition Symbol Parameter Delay time 5.0(1) tPLZ tPHZ Output disable time 5.0(1) tPZL tPZH Output enable time 5.0(1) 1. Voltage range is 5.0V ± 0.5V 6/14 TA = 25°C VCC (V) tPD Value -40 to 85°C -55 to 125°C Unit Min. Typ. Max. Min. Max. Min. Max. 0.6 0.7 1.0 2.0 ns RL = 500 Ω 6.0 7.5 9.0 10.0 ns RL = 1 KΩ 2.5 4.0 5.0 7.0 ns 74V2T66 Electrical characteristics Table 7. Capacitive characteristics Test condition Symbol Value TA = 25°C Parameter Min. Typ. Max. 10 -40 to 85°C -55 to 125°C Min. Min. Max. 10 Unit Max. CIN Input capacitance 4 10 pF CI/O Output capacitance 10 pF CPD Power dissipation capacitance(1) 3 pF 1. CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/2(per switch) Table 8. Analog switch characteristics (GND = 0V; TA = 25°C) Test Condition Symbol fMAX Parameter VCC (V) VIN (Vp-p) Sine wave distortion (THD) 5.0(1) 4 Frequency Response (Switch ON) Value Unit Typ. fIN = 1 KHz RL = 10 KΩ, CL = 50 pF 0.04 % Adjust fIN voltage to obtain 0 dBm at VOS. 5.0(1) Increase fIN Frequency until dB meter reads -3dB RL = 50Ω, CL = 10 pF 180 MHz Feedthrough Attenuation (Switch OFF) VIN is centered at VCC/2 5.0(1) Adjust fIN Voltage to obtained 0dBm at VIS RL = 600Ω, CL = 50 pF, fIN = 1MHz sine wave -60 dB Crosstalk (Control Input to Signal Output) 5.0(1) 60 mV Crosstalk Between Switches 5.0(1) RL = 600Ω, CL = 50 pF, fIN = 1MHz sine wave -60 dB RL = 600Ω, CL = 50 pF, fIN = 1MHz square wave tr = tf = 2.0ns 1. Voltage range is 5.0V ± 0.5V 7/14 Switching caracteristics test circuit 5 74V2T66 Switching caracteristics test circuit Figure 4. Figure 5. Figure 6. Feedthrough attenuation Figure 7. Bandwidth attenuation Figure 8. CI-O, CI/O Figure 9. Maximum control frequency 8/14 74V2T66 Table 9. Crosstalk (control to output) Switching caracteristics test circuit Figure 10. Channel resistance (RON) Table 10. ICC (Opr.) 9/14 Package mechanical data 6 74V2T66 Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These packages have a Lead-free second level interconnect . The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com 10/14 74V2T66 Package mechanical data SOT23-8L MECHANICAL DATA mm. mils DIM. MIN. TYP MAX. MIN. TYP. MAX. A 0.90 1.45 35.4 57.1 A1 0.00 0.15 0.0 5.9 A2 0.90 1.30 35.4 51.2 b 0.22 0.38 8.6 14.9 C 0.09 0.20 3.5 7.8 D 2.80 3.00 110.2 118.1 E 2.60 3.00 102.3 118.1 E1 1.50 1.75 59.0 68.8 e 0 e1 L 0.35 .65 25.6 1.95 76.7 0.55 13.7 21.6 11/14 Package mechanical data 74V2T66 Tape & Reel SOT23-xL MECHANICAL DATA mm. inch DIM. MIN. TYP A MIN. TYP. 180 13.0 13.2 MAX. 7.086 C 12.8 D 20.2 0.795 N 60 2.362 T 12/14 MAX. 0.504 0.512 14.4 0.519 0.567 Ao 3.13 3.23 3.33 0.123 0.127 0.131 Bo 3.07 3.17 3.27 0.120 0.124 0.128 Ko 1.27 1.37 1.47 0.050 0.054 0.0.58 Po 3.9 4.0 4.1 0.153 0.157 0.161 P 3.9 4.0 4.1 0.153 0.157 0.161 74V2T66 7 Revision history Revision history Table 11. Revision history Date Revision 31-Jan-2007 4 Changes Document reformatted, Typo in RON value 13/14 74V2T66 Please Read Carefully: Information in this document is provided solely in connection with ST products. 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