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| NC7SZD384 TinyLogic UHS 1-Bit Low Power Bus Switch with Level Shifting June 1997 Revised May 2003 NC7SZD384 TinyLogic UHS 1-Bit Low Power Bus Switch with Level Shifting General Description The NC7SZD384 provides 1-bit of high-speed CMOS TTLcompatible bus switch. The low on resistance of the switch allows inputs to be connected to outputs with minimal propagation delay and without generating additional ground bounce noise. The device is organized as a 1-bit switch with a bus enable (OE) signal. When OE is LOW, the switch is on and Port A is connected to Port B. When OE is HIGH, the switch is open and a high-impedance state exists between the two ports. Reduced voltage drive to the gate of the FET switch permits nominal level shifting of 5V to 3.3V through the switch. Features s Space saving SOT23 or SC70 5-lead package s Ultra small MicroPak leadless package s 5 switch connection between two ports s Designed to be used in level-shifting applications s Minimal propagation delay through the switch s Low ICC s Zero bounce in flow-through mode s Control inputs compatible with TTL level Ordering Code: Order Number NC7SZD384M5X NC7SZD384P5X NC7SZD384L6X Package Number MA05B MAA05A MAC06A Product Code Top Mark 8Z4D Z4D A4 Package Description 5-Lead SOT23, JEDEC MO-178, 1.6mm 5-Lead SC70, EIAJ SC-88a, 1.25mm Wide 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 Logic Symbol Connection Diagrams Pin Assignments for SC70 and SOT23 Pin Descriptions Pin Name OE A B NC Description Bus Switch Enable Bus A Bus B No Connect (Top View) Pad Assignments for MicroPak Function Table OE L H BO AO HIGH-Z State Function Connect Disconnect (Top Thru View) TinyLogic is a registered trademark of Fairchild Semiconductor Corporation. MicroPak is a trademark of Fairchild Semiconductor Corporation. (c) 2003 Fairchild Semiconductor Corporation DS500016 www.fairchildsemi.com NC7SZD384 Absolute Maximum Ratings(Note 1) Supply Voltage (VCC) DC Switch Voltage (VS) DC Input Voltage (VIN ) (Note 2) DC Input Diode Current (IIK) VIN < 0V DC Output (IOUT) Sink Current DC VCC/GND Current (ICC/GND) Storage Temperature Range (TSTG) Junction Temperature under bias (TJ) Junction Lead Temperature (TL) (Soldering, 10 seconds) Power Dissipation (PD) @ +85C SOT23-5 SC70-5 200 mW 150 mW -0.5V to +7.0V -0.5V to +7.0V -0.5V to +7.0V -50 mA 128 mA Recommended Operating Conditions (Note 3) Power Supply Operating (VCC) Input Voltage (VIN) Output Voltage (VOUT) Input Rise and Fall Time (tr, tf) Switch Control Input Switch I/O Operating Temperature (TA) Thermal Resistance (JA) SOT23-5 SC70-5 0 ns/V to 5 ns 0 ns/V to DC 4.5V to 5.5V 0V to 5.5V 0V to 5.5V 100 mA -65C to +150C +150C +260C -40C to +85C 300C/Watt 425C/Watt Note 1: 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. Note 2: The input and output negative voltage ratings may be exceeded if the input and output diode current ratings are observed. Note 3: Unused inputs must be held HIGH or LOW. They may not float. DC Electrical Characteristics VCC Symbol VIK VIH VIL VOH II IOFF RON Parameter Maximum Clamp Diode Voltage HIGH Level Input Voltage LOW Level Input Voltage HIGH Level Output Voltage Input Leakage Current "OFF" Leakage Current Switch On Resistance (Note 5) (V) 4.5 4.5-5.5 4.5-5.5 4.5-5.5 0-5.5 5.5 4.5 5 5 35 ICC Quiescent Supply Current Switch On Switch Off ICC Increase in ICC per Input (Note 6) 5.5 5.5 5.5 0.8 0.8 1.5 10 2.5 mA A mA See Figure 3 1.0 10.0 7 7 50 2.0 0.8 TA = -40C to +85C Min Typ (Note 4) Max -1.2 Units -V V V V A A VIN = VCC 0 VIN 5.5V 0 A, B, VCC VIN = 0V, II = 64 mA VIN = 0V, II = 30 mA VIN = 2.4V, II = 15 mA VIN = VCC or GND, IO = 0 OE = GND OE = VCC OE = 3.4V, IO = 0, Control Input only. Note 4: All typical values are at VCC = 5.0V, TA= 25C. Note 5: 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) pins. Note 6: Per TTL driven input (VIN = 3.4V, control input only). A and B pins do not contribute to ICC. Conditions IIN = -18 mA www.fairchildsemi.com 2 NC7SZD384 AC Electrical Characteristics TA = -40C to +85C Symbol Parameter VCC (V) tPHL, tPLH tPZL, tPZH tPLZ, tPHZ Note 7: All typical values are VCC = 5.0V, TA = 25C. Note 8: This parameter is guaranteed by design but is not tested. The bus switch contributes no propagation delay other than the RC delay of the typical On Resistance of the switch and the 50 pF load capacitance, when driven by an ideal voltage source (zero output impedance). CL = 50 pF, RU = RD = 500 Min Typ (Note 7) Max 0.25 1.5 1.0 7.5 6.0 Units Conditions Figure Number Propagation Delay Bus to Bus (Note 8) Output Enable Time Output Disable Time 4.5-5.5 4.5-5.5 4.5-5.5 ns ns ns VI = OPEN VI = 7V for tPZL VI = OPEN for tPZH VI = 7V for tPLZ VI = OPEN for tPHZ Figures 1, 2 Figures 1, 2 Figures 1, 2 Capacitance (Note 9) Symbol CIN CI/O Parameter Control Pin Input Capacitance Input/Output Capacitance Typ 2 4.5 Max 5 10 Units pF pF Conditions VCC = 5.0V VCC = 5.0V Note 9: TA = 25C f = 1MHz AC Loading and Waveforms FIGURE 1. AC Test Circuit Note: Input driven by 50 source terminated in 50. CL includes load and stray capacitance. Input PRR = 1.0 MHz tw = 500 ns. FIGURE 2. AC Waveforms 3 www.fairchildsemi.com NC7SZD384 DC Characteristics FIGURE 3. Typical High Level Output Voltage vs. Supply Voltage www.fairchildsemi.com 4 NC7SZD384 Tape and Reel Specification TAPE FORMAT for SC70 and SOT23 Package Tape Designator M5X, P5X 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 SC70-5 SOT23-5 Tape Size 8 mm 8 mm DIM A 0.093 (2.35) 0.130 (3.3) DIM B 0.096 (2.45) 0.130 (3.3) DIM F (3.5 0.10) (3.5 0.05) DIM Ko (1.35 0.10) (1.4 0.11) DIM P1 0.157 (4) 0.157 (4) DIM W 0.315 0.004 (8 0.1) 0.315 0.012 (8 0.3) 0.138 0.004 0.053 0.004 0.138 0.002 0.055 0.004 5 www.fairchildsemi.com NC7SZD384 Tape and Reel Specification TAPE FORMAT for MicroPak Package Designator L6X Tape Section Leader (Start End) Carrier Trailer (Hub End) (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 6 NC7SZD384 Physical Dimensions inches (millimeters) unless otherwise noted 5-Lead SOT23, JEDEC MO-178, 1.6mm Package Number MA05B 7 www.fairchildsemi.com NC7SZD384 Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 5-Lead SC70, EIAJ SC-88a, 1.25mm Wide Package Number MAA05A www.fairchildsemi.com 8 NC7SZD384 TinyLogic UHS 1-Bit Low Power Bus Switch with Level Shifting 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. 9 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 www.fairchildsemi.com |
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