Details, datasheet, quote on part number: PI5C162292
PartPI5C162292
CategoryLogic => Bus Interface
Description24-bit Mux/demux Bus Switch
CompanyPericom Semiconductor Corporation
DatasheetDownload PI5C162292 datasheet
  

 

Features, Applications

Features

Near-zero propagation delay 5 switches connect inputs to outputs Direct bus connection when switches are ON Internal 500 pull-down on A2 ports Ultra-low quiescent power (0.2A typical) Ideally suited for notebook applications Industrial operating temperature: to +85C Make-before-break switching Packages available: 56-pin 240-mil wide thin plastic TSSOP (A) 56-pin 300-mil wide plastic SSOP (V)

Description

Pericom Semiconductor's PI5C series of logic circuits are produced using the Company's advanced 0.6 micron CMOS technology. The PI5C16292 and PI5C162292 are to 24-bit Mux/Demux Bus switches designed with a low ON resistance allowing inputs to be connected directly to outputs. The PI5C162292 device has a built-in 25-ohm series resistor to reduce noise resulting from reflections, thus eliminating the need for an external terminating resistor. A2 port is not externally connected and, as a result, has an internal 500-ohm pulldown resistor to ground.

Applications
Note: H = High Voltage Level L = Low Voltage Level Z = High Impedance
Description Select Inputs Bus A Bus B Internally pulled up thru 4.7k resistor Leave it unconnected

(Above which the useful life may be impaired. For user guidelines, not tested.) Storage Temperature................................................................. to +150C Ambient Temperature with Power Applied................................. to +85C Supply Voltage to Ground Potential (Inputs & VCC Only)......... to +7.0V Supply Voltage to Ground Potential (Outputs & D/O Only)....... +7.0V DC Input Voltage......................................................................... +7.0V DC Output Current.................................................................................... 120mA Power Dissipation........................................................................................ 1Watt

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.

Parameter VCC VIH VIL TA Description Supply Voltage High-Level Input Voltage Low-Level Input Voltage Operating Free-Air Temperature Min. 2 40 Max. 0.8 85 Units V C

Parameters Description VIH VIL II VIK IOS VH rON Input HIGH Voltage Input LOW Voltage Input Current Clamp Diode Voltage Short Circuit Current

Test Conditions(1) Guaranteed Logic HIGH Level Guaranteed Logic LOW Level VCC = Max., VIN = VCC or GND VCC = 0, VIN = VCC = Min., IIN = 18mA A(B) 0V, B (A) = VCC = Min., VIN = 0.0V, ION = 64mA VCC = Min., VIN = 2.4V, ION = 15mA

Parameters(5) CIN COFF CON Description Input Capacitance A/B Capacitance, Switch Off A/B Capacitance, Switch On Test Conditions VIN = 0V VIN = 0V VIN = 0V Max. 10 20 Units pF

Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device. 2. Typical values are at VCC = 25C 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

Parameters ICC ICC(3) ICCD Description Quiescent Power Supply Current Supply Current for S0 @ TTL HIGH Supply Current for S0 per MHz(5) Toggling 50% Duty Cycle VCC = MAX. VCC = MAX. VCC = Max., A and B Pins Open Test Conditions(1) Min. VIN = GND or VCC VIN 3.4 V(4) Other Inputs at VCC OR GND Typ(2) Max. 0.1 Units A mA mA/ MHz

Notes: 1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for applicable device. 2. Typical values are at VCC 5.0V, +25C ambient. 3. This is the increase in supply current for S0 at the specified TTL voltage level rather than VCC or GND. 4. Per TTL driven input (VIN 3.4V, S0 only); A and B pins do not contribute to ICC. 5. This current applies to the control inputs only and represent the current required to switch internal capacitance at the specified frequency. The A and B inputs generate no significant or DC currents as they transition. This parameter is not tested, but is guaranteed by design.

PI5C16292 Com. Parameters tPLH tPHL tPZH tPZL tPHZ tPLZ tM Description Conditions(1) Min Max Units ns Propagation xA1 to xBx, xBx = 50pF Bus Enable time xA1 or xBx to 7V(4) Bus Disable time xA1 or xBx Make-before-break time(2)

PI5C162292 Com. Parameters tPLH tPHL tPZH tPZL tPHZ tPLZ tM Description Propagation Delay xA1 to xBx, xBx to xA1 Bus Enable Time xA1 or xBx Bus Disable Time xA1 or xBx Make-before-break time(2)

Notes: 1. See test circuit and waveforms. 2. This parameter is guaranteed but not tested. 3. The bus switch contributes no propagational delay other than the RC delay of the ON resistance of the switch and load capacitance. The time constant for the switch alone is of the order of 0.25ns for 50pF load. Since this time constant is much smaller than rise/fall times of typical driving signals, it adds very little propagational delay to the system. Propagational 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. Applies to tPLZ and tPZL.


 

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