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| DG2302 New Product Vishay Siliconix High-Speed, Low rON, SPST Analog Switch (1-Bit Bus Switch with Level-Shifter) FEATURES D D D D D D SC-70 5-Lead Package 5-W Switch Connection Between Two Ports Minimal Propagation Delay Through The Switch Low ICC Zero Bounce In Flow-Through Mode Control Inputs Compatible with TTL Level DESCRIPTION The DG2302 is a high-speed, 1-bit, low power, TTL-compatible bus switch. Using sub-micron CMOS technology, DG2302 achieves low on-resistance and negligible propagation delay. The DG2302 consist of a bi-directional input/output pins A and B. When the output enable (OE) is low, the input/output pins are connected. When the OE is high, the switch is open and a high-impedance state exists between input/output pins A and B. FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION TRUTH TABLE SC-70 A B GND 1 2 3 Top View Device Marking: E5 4 OE 5 V+ OE L H B A HiZ State Function Connect Disconnect ORDERING INFORMATION Temp Range -40 to 85C Package SC70-5 Part Number DG2302DL Document Number: 72072 s-03421--Rev. A, 03-Mar-03 www.vishay.com 1 DG2302 Vishay Siliconix ABSOLUTE MAXIMUM RATINGS Reference to GND V+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6 V OE, A, Ba . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to (V+ + 0.3 V) Continuous Current (Any terminal) . . . . . . . . . . . . . . . . . . . . . . . . . . . "50 mA Peak Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "200 mA (Pulsed at 1 ms, 10% duty cycle) Storage Temperature (D Suffix) . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to 150C Power Dissipation (Packages)b 5-Pin SC70c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250 mW Notes: a. Signals on A, or B or OE exceeding V+ will be clamped by internal diodes. Limit forward diode current to maximum current ratings. b. All leads welded or soldered to PC Board. c. Derate 3.1 mW/_C above 70_C New Product SPECIFICATIONS (V+ = 5.0 V) Test Conditions Otherwise Unless Specified Parameter DC Characteristics V+ = 4.5 V, VA = 0 V, IB = 64 mA On-Resistance rON V+ = 4.5 V, VA = 0 V, IB = 30 mA V+ = 4.5 V, VA = 2.4 V, IB = 15 mA Switch Off Leakage Current Switchl-On Leakage Current Input High Voltage Input Low Voltage Input Current I(off) I(on) VIH Limits -40 to 85_C Symbol V+ = 5 V, "10%, VIN = 0.8 or 2.0 Ve Tempa Minb Typc Maxb Unit Full Full Full Full Full Full Full -10 -10 2.0 7 7 50 10 10 mA W V+ = 5.5 V, VA = 1 V/4.5 V, VB = 4.5 V/1 V V+ = 5.5 V, VA = VB = 1 V/4.5 V VIL IIL or IIH VOE = 0 or V+ 0.8 -1 1 V mA Full Dynamic Characteristics Prop Delay Bus to Busf Bus-to-Bus tPHL tPLH tPZL tPZH tPLZ tPHZ Cin Full VLD = Open (Figure 1 and 2) VLD = 7 V, V+ = 4.5 V to 5.5 V (Figure 1 and 2) VLD = Open, V+ = 4.5 V to 5.5 V (Figure 1 and 2) VLD = 7 V, V+ = 4.5 V to 5.5 V (Figure 1 and 2) VLD = Open, V+ = 4.5 V to 5.5 V (Figure 1 and 2) Full Full Full Full Full Room Room VOE = 0 or V+ f = 1 MHz V+, Room 5.0 5.0 3.9 1.0 3.5 5 11 1 1 ns Output Enable Timed Output Disable Timed Input Capacitance Channel-Off Capacitanced Channel-On Capacitanced C(off) CON p pF Power Supply Power Supply Range Power Supply Current Notes: a. b. c. d. e. f. Room = 25C, Full = as determined by the operating suffix. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet. Typical values are for design aid only, not guaranteed nor subject to production testing. Guarantee by design, nor subjected to production test. VIN = input voltage to perform proper function. Guaranteed by design and not production tested. The bus switch propagation delay is a function of the RC time constant contributed by the on-resistance and the specified load capacitance with an ideal voltage source (zero output impedance) driving the switch. V+ VOE = 0 I+ VOE = V+ 4.0 0.9 5.5 1.5 1.0 V mA mA www.vishay.com 2 Document Number: 72072 s-03421--Rev. A, 03-Mar-03 DG2302 New Product AC LOADING AND WAVEFORMS Vishay Siliconix VLD Ra = 500 W SWITCH INPUT A B SWITCH OUTPUT CL OE Rb = 500 W CL = 50 pF LOGIC INPUT Input driven by 50-W source terminated in 50 W CL includes load and stray capacitance Input PRR = 1.0 MHz, tW = 50 ns Figure 1. AC Test Circuit tf = 2.5 ns tr = 2.5 ns 90% Switch Input 10% tw tPLH tPHL VOH 1.5 V 1.5 V Output 1.5 V 1.5 V 90% 1.5 V 10% tf = 2.5 ns 3.0 V Logic Input 90% 1.5 V 10% GND tPZL 10% tr = 2.5 ns 90% 1.5 V GND tPLZ VLD 2 3.0 V VOL + 0.3 V VOL tPZH tPHZ VOH VOH -0.3 V Output VOL Output 1.5 V 0V Figure 2. AC Waveforms Document Number: 72072 s-03421--Rev. A, 03-Mar-03 www.vishay.com 3 DG2302 Vishay Siliconix New Product TYPICAL CHARACTERISTICS (25_C UNLESS NOTED) VOH vs. Supply Voltage 4.0 T = 25_C 3.5 VOH - Output Voltage (V) -0.1 mA -15 mA -30 mA -64 mA 3.0 2.5 2.0 1.5 1.0 4.0 4.2 4.4 4.6 4.8 5.0 5.2 5.4 5.6 5.8 V+ - Supply Voltage (V) www.vishay.com 4 Document Number: 72072 s-03421--Rev. A, 03-Mar-03 |
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