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PI5C16862C Dataheets PDF



Part Number PI5C16862C
Manufacturers Pericom Semiconductor
Logo Pericom Semiconductor
Description 2-Port Bus Switch
Datasheet PI5C16862C DatasheetPI5C16862C Datasheet (PDF)

www.DataSheet4U.com 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 PI5C16862C 20-Bit, 2-Port Bus Switch with Undershoot Protection Features • • • • • Near-Zero propagation delay 5-ohm switches connect inputs to outputs Undershoot Protection up to –1V Direct bus .

  PI5C16862C   PI5C16862C



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www.DataSheet4U.com 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 PI5C16862C 20-Bit, 2-Port Bus Switch with Undershoot Protection Features • • • • • Near-Zero propagation delay 5-ohm switches connect inputs to outputs Undershoot Protection up to –1V Direct bus connection when switches are ON 32X384 function with flow through pinout make board layout easier • Ultra-low quiescent power (120µA typical) — ideally suited for notebook applications • Industrial operating temperature: –40°C to +85°C • Packaging (Pb-free & Green avaliable): — 48-pin 240-mil wide plastic TSSOP — 48-pin 150-mil wide plastic BQSOP Description Pericom Semiconductor’s PI5C16862C is configured as a 20-bit, 2port bus switch designed with a low On-Resistance (5-ohm) allowing inputs to be connected directly to outputs. The bus switch creates no additional propagational delay or additional ground bounce noise. The switches are turned ON by the Bus Enable (BEx) input signal. The PI5C16862C can withstand undershoot of up to –1V. Block Diagram Pin Configuration BE2 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 GND BE4 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 GND 1 48 2 47 3 46 4 45 5 44 6 43 7 42 8 41 9 40 10 39 11 48-Pin 38 12 A, B 37 13 36 14 35 15 34 16 33 17 32 18 31 19 30 20 29 21 28 22 27 23 26 24 25 VCC BE1 B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 VCC BE3 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 A0 B0 A4 B4 BE1 A15 B15 A19 B19 BE4 Truth Table(1) Function Disconnect Connect BEx H L A19-A0 Hi- Z B19- B0 Pin Description Pin Name BEx A19- A0 B19- B0 Bus A Bus B De s cription Bus Enable Inputs (Active LOW) Note: 1. H = High Voltage Level L = Low Voltage Level Hi-Z = High Impedance 1 PS8391C 09/15/04 PI5C16862C 20-Bit, 2-Port Bus Switch with Undershoot Protection 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Maximum Ratings (Above which the useful life may be impaired. For user guidelines, not tested.) Storage Temperature............................................................ –65°C to +150°C Ambient Temperature with Power Applied ........................... –40°C to +85°C Supply Voltage to Ground Potential (Inputs & VCC Only) ... –0.5V to +7.0V Supply Voltage to Ground Potential (Outputs & D/O Only) . –0.5V to +7.0V DC Input Voltage ................................................................... –0.5V to +7.0V DC Output Current .............................................................................. 120mA Power Dissipation ................................................................................... 0.5W Note: Stresses greater than those listed under 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. DC Electrical Characteristics (Over the Operating Range, TA = –40°C to +85°C, VCC = 5V ±10%) Parame te rs VIH VIL IIH IIL IOZH VIK IOS VH RON De s cription Input HIGH Voltage Input LOW Voltage Input HIGH Current Input LOW Current Clamp Diode Voltage Short Circuit Current(3) Input Hysteresis at Control Pins Switch ON Resistance(3) VCC = Min., VIN = 0.0V, ION = 48mA VCC = Min., VIN = 2.4V, ION = 15mA Te s t Conditions (1) Guaranteed Logic HIGH Level Guaranteed Logic LOW Level VCC = Max., VIN = VCC VCC = Max., VIN = GND VCC = Min., IIN = –18mA A(B) = 0V, B (A) = VCC M in. 2.0 –0.5 — — — — 100 — — — Typ.(2) — — — — — — — 150 5.5 9 M ax. — 0.8 ±1 ±1 ±1 –1.8 — — 8 16 V mA mV Ω µA Units V High Impedance Output Current 0 ≤ IN, YN ≤ VCC Capacitance (TA = 25°C, f = 1 MHz) Parame te rs (5) CIN C O FF CON De s cription Input Capacitance A/B Capacitance, Switch Off A/B Capacitance, Switch On Te s t Conditions VIN = 0V VIN = 0V VIN = 0V Typical 6 6 10 pF Units Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at VCC = 5.0V, TA= 25°C ambient and maximum loading. 3. Not more than one output should be shorted at one time. Duration of the test should not exceed one second. 4. Measured by the voltage drop between A and B pin at indicated current through the switch. ON resistance is determined by the lower of the voltages on the two (A,B) pins. 5. This parameter is determined by device characterization but is not production tested. 2 PS8391C 09/15/04 PI5C16862C 20-Bit, 2-Port Bus Switch with Un.


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