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21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI5C3309
3:1 Mux/Demux Bus Switch
Product Features
* * * * Near zero propagation delay 5-Ohm switches connect inputs to outputs Direct bus connection when switches are ON Ultra Low Quiescent Power (0.2A Typical) - Ideally suited for notebook applications * Packages available: - 8 pin 173 mil wide plastic TSSOP (L) - 8 pin 118 mil wide plastic MSOP (U)
Product Description
Pericom Semiconductor's PI5C series of logic circuits are produced using the Company's advanced submicron CMOS technology, achieving industry leading performance. PI5C3309 is a 3:1 Multiplexer/Demultiplexer with 3-State outputs. Inputs can be connected to outputs with low ON resistance (5-ohm) with no additional ground bounce noise or propagation delay.
Logic Block Diagram
Product Pin Configuration
IA0
IA1
IA2
8-Pin L, U
S0 S1
Product Pin Description
Pin Name Description Data Inputs Select Inputs Data Output Ground Power
YA
IAn S0-1 YA
Truth Table
S1 L L H H
(1)
GND VCC
S0 L H L H YA IA0 IA1 IA2 Hi- Z Function S 1- 0 = 0 S1- 0 = 1 S 1- 0 = 2 S 1- 0 = 3
Se le ct
Note: 1. H = High Voltage Level L = Low Voltage Level
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PS8330C
01/11/01
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI5C3309 3:1 Mux/Demux BusSwitch
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.) Storage Temperature ............................................................. -65C to +150C Ambient Temperature with Power Applied ............................. -40C to +85C 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 isnot implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
DC Electrical Characteristics (Over the Operating Range, TA = -40C to +85C, VCC = 5V 5%)
Parameters Description VIH VIL IIH IIL IOZH VIK IOS VH RON Input HIGH Voltage Input LOW Voltage Input HIGH Current Input LOW Current High Impedance Output Current Clamp Diode Voltage Short Circuit Current(3) Input Hysteresis at Control Pins Switch On Resistance
(4)
Test Conditions(1) Guaranteed Logic HIGH Level Guaranteed Logic LOW Level VCC = Max., VIN = VCC VCC = Max., VIN = GND 0 IN, YN VCC VCC = Min., IIN = -18mA I (Y) = 0V, Y (I) = VCC VCC = Min., VIN = 0.0V, VCC = Min., VIN = 2.4V, ION = 48mA ION = 15mA
Min. 2.0 -0.5
Typ(2)
Max. 0.8 1 1 1
Units V V A A A V mA m V
-0.7 100 150 5 10
-1.2
7 15
Capacitance (TA = 25C, f = 1 MHz)
Parameters(5) CIN COFF CON Description Input Capacitance IA Capacitance, Switch Off IA Capacitance, Switch On Test Conditions VIN = 0V VIN = 0V VIN = 0V Typ 3 4 16 Units pF pF pF
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 = 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 I and Y pin at indicated current through the switch. ON resistance is determined by the lower of the voltages on the two (I,Y) pins. 5. This parameter is determined by device characterization but is not production tested.
2
PS8330C
01/11/01
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI5C3309 3:1 Mux/Demux BusSwitch
Power Supply Characteristics
Parameters Description ICC ICC ICCD Quiescent Power Supply Current Supply Current per Input @ TTL HIGH Supply Current per Input per MHz(4) VCC = Max. VCC = Max. VCC = Max., I and Y Pins Open BE = GND Control Input Toggling 50% Duty Cycle Test Conditions(1) VIN = GND or VCC VIN = 3.4V(3) Min. Typ(2) 0.1 Max. 3.0 2.5 0.25 Units A mA mA/ MHz
Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device. 2. Typical values are at Vcc = 5.0V, +25C ambient. 3. Per TTL driven input (VIN = 3.4V, control inputs only); I and Y pins do not contribute to Icc. 4. This current applies to the control inputs only and represent the current required to switch internal capacitance at the specified frequency. The I and Y inputs generate no significant AC or DC currents as they transition. This parameter is not tested, but is guaranteed by design.
Switching Characteristics over Operating Range
PI5C3309 Com Parame te rs tIY tSY tPZH tPZL tPHZ tPLZ De s cription Propagation Delay(2,3) IN to YN Bus Select Time SN to YN Bus Enable Time SN to YN Bus Disable Time SN to YN C L = 50pF RL = 500 0.5 0.5 0.5 Conditions M in. M a x. 0.25 6.6 ns 6.0 6.0 Units
Notes: 1. See test circuit and waveforms. 2. This parameter is guaranteed but not tested on Propagation Delays. 3. The bus switch contributes no propagational 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 0.25ns for 50pF load. Since this time constant is much smaller than the 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.
Ordering Information
Part PI5C3309L PI5C3309UX Pin - Package 8 - TSSOP (L) -40C to +85C 8 - MSOP (U) Te mpe rature
Pericom Semiconductor Corporation 2380 Bering Drive * San Jose, CA 95131 * 1-800-435-2336 * Fax (408) 435-1100 * http://www.pericom.com
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PS8330C 01/11/01

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