QS3VH16861PAG

IDTQS3VH16861 2.5V / 3.3V 20-BIT FLOW-THROUGH PIN OUT, HIGH BANDWIDTH BUS SWITCH INDUSTRIAL TEMPERATURE RANGE QUICKSWITCH® PRODUCTS 2.5V/ IDTQS3VH16861 3.3V 20-BIT FLOW-THROUGH PIN OUT, HIGH BANDWIDTH BUS SWITCH FEATURES: DESCRIPTION: • N channel FET switches with no parasitic diode to Vcc − Isolation under power-off conditions − No DC path to Vcc or GND − 5V tolerant in OFF and ON state • 5V tolerant I/Os Ω typical • Low RON - 4Ω • Flat RON characteristics over operating range • Rail-to-rail switching 0 - 5V • Bidirectional dataflow with near-zero delay: no added ground bounce • Excellent RON matching between channels • Vcc operation: 2.3V to 3.6V • High bandwidth - up to 500 MHz • LVTTL-compatible control Inputs • Undershoot Clamp Diodes on all switch and control Inputs • Low I/O capacitance, 4pF typical • Available in TSSOP package The QS3VH16861 HotSwitch with 20-bit flow-though pin out is a high bandwidth bus switch. The QS3VH16861 has very low ON resistance, resulting in under 250ps propagation delay through the switch. The switches are controlled by active low enable (BEx) controls. In the ON state, the switches can pass signals up to 5V. In the OFF state, the switches offer very high impedence at the terminals. The combination of near-zero propagation delay, high OFF impedance, and over-voltage tolerance makes the QS3VH16861 ideal for high performance communications applications. The QS3VH16861 is characterized for operation from -40°C to +85°C. APPLICATIONS: • • • • • Hot-swapping 10/100 Base-T, Ethernet LAN switch Low distortion analog switch Replaces mechanical relay ATM 25/155 switching FUNCTIONAL BLOCK DIAGRAM A0 B0 A 10 B 10 A9 B9 A 19 B 19 BE1 BE2 The IDT logo is a registered trademark of Integrated Device Technology, Inc. INDUSTRIAL TEMPERATURE RANGE c 2013 Integrated Device Technology, Inc. JUNE 2013 1 DSC-5875/6 IDTQS3VH16861 2.5V / 3.3V 20-BIT FLOW-THROUGH PIN OUT, HIGH BANDWIDTH BUS SWITCH ABSOLUTE MAXIMUM RATINGS(1) PIN CONFIGURATION NC 1 INDUSTRIAL TEMPERATURE RANGE 48 VCC A0 2 47 BE1 A1 3 46 B0 A2 4 45 B1 Symbol Description Max. Unit VTERM(2) Supply Voltage to Ground – 0.5 to 4.6 V VTERM(3) DC Switch Voltage VS – 0.5 to 5.5 V VTERM(3) DC Input Voltage VIN – 0.5 to 5.5 V –3 V 120 mA -65 to +150 °C VAC AC Input Voltage (pulse width ≤20ns) IOUT DC Output Current (max. current/pin) TSTG Storage Temperature NOTES: 1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. 2. VCC terminals. 3. All terminals except VCC. A3 5 44 B2 A4 6 43 B3 A5 7 42 B4 A6 8 41 B5 A7 9 40 B6 A8 10 39 B7 A9 11 38 B8 Symbol Parameter(1) Typ. Max. Unit CIN Control Inputs 3 5 pF CI/O Quickswitch Channels (Switch OFF) 4 6 pF CI/O Quickswitch Channels (Switch ON) 8 12 pF CAPACITANCE o (TA = +25 C, f = 1MHz, VIN = 0V, VOUT = 0V) GND 12 37 B9 NC 13 36 VCC A10 14 35 BE2 A11 15 34 B10 A12 16 33 B11 A13 17 32 B12 A14 18 31 B13 Pin Names A15 19 30 B14 BEx A16 20 29 B15 A17 21 28 B16 A18 22 27 B17 A19 23 26 B18 BE1 BE2 A0 - A9 A10 - A19 Function GND 24 25 B19 L L B0 - B9 B10 - B19 Connect L H B0 - B9 Z NOTE: 1. This parameter is guaranteed but not production tested. PIN DESCRIPTION Description Active LOW Bus Enable A0 - A19 Bus A B 0 - B19 Bus B FUNCTION TABLE(1) Connect B0 - B9, Disconnect B10 - B19 TSSOP TOP VIEW H L Z B10 - B19 Disconnect B0 - B9, Connect B10 - B19 H H NOTE: 1. H = HIGH Voltage Level L = LOW Voltage Level Z = High-Impedence 2 Z Z Disconnect IDTQS3VH16861 2.5V / 3.3V 20-BIT FLOW-THROUGH PIN OUT, HIGH BANDWIDTH BUS SWITCH INDUSTRIAL TEMPERATURE RANGE DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE(1) Following Conditions Apply Unless Otherwise Specified: Industrial: TA = –40°C to +85°C, VCC = 3.3V ± 0.3V Symbol VIH Parameter Test Conditions Input HIGH Voltage VIL Input LOW Voltage IIN Input Leakage Current (Control Inputs) I OZ IOFF Typ.(1) Max. Unit V Guaranteed Logic HIGH VCC = 2.3V to 2.7V 1.7 — — for Control Inputs VCC = 2.7V to 3.6V 2 — — Guaranteed Logic HIGH VCC = 2.3V to 2.7V — — 0.7 for Control Inputs VCC = 2.7V to 3.6V — V — 0.8 — — ±1 μA Off-State Current (Hi-Z) ≤ VCC 0V ≤ VOUT ≤ 5V, Switches OFF — — ±1 μA Data Input/Output Power Off Leakage VIN or VOUT 0V to 5V, VCC = 0V — — ±1 μA ION = 30mA — 6 8 (Typ. at VCC = 2.5V) VIN = 1.7V ION = 15mA — 7 9 VCC = 3V VIN = 0V ION = 30mA — 4 6 VIN = 2.4V ION = 15mA — 5 8 0V ≤ VIN VCC = 2.3V RON Min. Switch ON Resistance VIN = 0V NOTE: 1. Typical values are at VCC = 3.3V and TA = 25°C, unless otherwise noted. TYPICAL ON RESISTANCE vs VIN AT VCC = 3.3V 16 R ON 14 (ohms) 12 10 8 6 4 2 0 0.0 0.5 1.0 1.5 2.0 2.5 V IN (Volts) 3 3.0 3.5 4.0 4.5 5.0 Ω IDTQS3VH16861 2.5V / 3.3V 20-BIT FLOW-THROUGH PIN OUT, HIGH BANDWIDTH BUS SWITCH INDUSTRIAL TEMPERATURE RANGE POWER SUPPLY CHARACTERISTICS Parameter Test Conditions(1) ICCQ Quiescent Power Supply Current VCC = Max., VIN = GND or VCC, f = 0 ΔICC Power Supply Current ICCD Dynamic Power Supply Current(4) Symbol (2,3) per Input HIGH Min. Typ. Max. Unit — 1.5 3 mA — — 30 μA VCC = Max., VIN = 3V, f = 0 per Control Input VCC = 3.3V, A and B Pins Open, Control Inputs See Typical ICCD vs Enable Frequency graph below Toggling @ 50% Duty Cycle NOTES: 1. For conditions shown as Min. or Max., use the appropriate values specified under DC Electrical Characteristics. 2. Per input driven at the specified level. A and B pins do not contribute to ΔIcc. 3. This parameter is guaranteed but not tested. 4. This parameter represents the current required to switch internal capacitance at the specified frequency. The A and B inputs do not contribute to the Dynamic Power Supply Current. This parameter is guaranteed but not production tested. TYPICAL ICCD vs ENABLE FREQUENCY CURVE AT VCC = 3.3V 14 12 ICCD (mA) 10 8 6 4 2 0 0 2 4 6 8 10 12 14 ENABLE FREQUENCY (MHz) 4 16 18 20 IDTQS3VH16861 2.5V / 3.3V 20-BIT FLOW-THROUGH PIN OUT, HIGH BANDWIDTH BUS SWITCH INDUSTRIAL TEMPERATURE RANGE SWITCHING CHARACTERISTICS OVER OPERATING RANGE TA = -40°C to +85°C VCC = 2.5 ± 0.2V (1) Symbol tPLH tPHL tPZH tPZL tPHZ tPLZ fBEx Parameter Data Propagation Delay(2,3) A to B or B to A Switch Turn-On Delay BEx to xA or xB Switch Turn-Off Delay BEx to xA or xB Operating Frequency - Enable (2,5) Min. (4) ⎯ VCC = 3.3 ± 0.3V (1) Max. Min. (4) Max. Unit 0.2 ⎯ 0.2 ns 1.5 8.5 1.5 8 ns 1.5 7.5 1.5 7.5 ns ⎯ 10 ⎯ 20 MHz NOTES: 1. See Test Conditions under TEST CIRCUITS AND WAVEFORMS. 2. This parameter is guaranteed but not production tested. 3. The bus switch contributes no propagation delay other than the RC delay of the ON resistance of the switch and the load capacitance. The time constant for the switch alone is of the order of 0.2ns at CL = 50pF. Since this time constant is much smaller than the rise and fall times of typical driving signals, it adds very little propagation delay to the system. Propagation delay of the bus switch, when used in a system, is determined by the driving circuit on the driving side of the switch and its interaction with the load on the driven side. 4. Minimums are guaranteed but not production tested. 5. Maximum toggle frequency for BEx control input (pass voltage > VCC, VIN = 5V, RLOAD > 1MΩ, no CLOAD). 5 IDTQS3VH16861 2.5V / 3.3V 20-BIT FLOW-THROUGH PIN OUT, HIGH BANDWIDTH BUS SWITCH INDUSTRIAL TEMPERATURE RANGE SOME APPLICATIONS FOR HOTSWITCH PRODUCTS NFET 0 to +5V Vcc = 3.3V +6.5V CHARGE PUMP OE 0 to +5V DRIVER SINGLE HOT SWITCH Rail-to-Rail Switching PHY 3VH SWITCH 4.5V PP LOGIC SIDE 10Mbps to 100Mbps Z = 100 Ω Z = 100 Ω >100m 4.5V PP TWISTED PAIR LOGIC SIDE 2V PP Fast Ethernet Data Switching (LAN Switch) ZERO DOWN TIME SYSTEM PLUGGABLE CARD/ LIVE SYSTEM CARD I/O ON CARD LOGIC CONNECTOR QS3VH XXX CARD I/O ON CARD LOGIC CONNECTOR QS3VH XXX Hot Swapping 6 CPU RAM BUS IDTQS3VH16861 2.5V / 3.3V 20-BIT FLOW-THROUGH PIN OUT, HIGH BANDWIDTH BUS SWITCH INDUSTRIAL TEMPERATURE RANGE TEST CIRCUITS AND WAVEFORMS TEST CONDITIONS Symbol VCC(1)= 3.3V ± 0.3V VCC(2)= 2.5V ± 0.2V Unit VLOAD 6 2 x Vcc V SAM E PHASE INPUT TRANSITION VIH 3 Vcc V OUTPUT VT 1.5 VCC/2 V VLZ 300 150 mV VHZ 300 150 mV CL 50 30 pF t PLH tPHL t PLH t PHL V IH VT 0V V OH VT V OL V IH VT 0V OPPOSITE PHASE INPUT TRANSITION Propagation Delay V LOAD V CC 500 Ω (1, 2) Pulse Generator V IN CONTROL INPUT GND t PZL V OUT D.U.T. RT DISABLE ENABLE Open OUTPUT SW ITCH NORM ALLY CLO SED LOW t PZH OUTPUT SW ITCH NORMALLY OPEN HIGH 500 Ω CL Test Circuits for All Outputs SWITCH POSITION tPLZ/tPZL VLOAD tPHZ/tPZH GND tPD Open V LOAD/2 V LO AD /2 VT VOL VOL t PHZ + VLZ VT VOH V O H -V H Z 0V 0V Enable and Disable Times NOTES: 1. Pulse Generator for All Pulses: Rate ≤ 1.0MHz; tF ≤ 2.5ns; tR ≤ 2.5ns. 2. Pulse Generator for All Pulses: Rate ≤ 1.0MHz; tF ≤ 2ns; tR ≤ 2ns. Switch 0V NOTE: 1. Diagram shown for input Control Enable-LOW and input Control Disable-HIGH. DEFINITIONS: CL = Load capacitance: includes jig and probe capacitance. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator. Test t PLZ V IH VT 7 IDTQS3VH16861 2.5V / 3.3V 20-BIT FLOW-THROUGH PIN OUT, HIGH BANDWIDTH BUS SWITCH INDUSTRIAL TEMPERATURE RANGE ORDERING INFORMATION QS XXXXX XX Device Type Package X Blank 8 Tube or Tray Tape and Reel PAG Thin Shrink Small Outline Package-TSSOP Green 3VH16861 2.5V / 3.3V 20-Bit Flow Though Pin Out, High Bandwidth Bus Switch Datasheet Document History 06/10/2013 Pg. 1, 8 Updated the Ordering Information by removing non green package version, the “IDT” notation and Adding Tape and Reel information. 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