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PI3C32160
3.3V, High Bandwidth,16:32-Bit, PCI Hot-Plug Mux/Demux Bus Switch
Product Features
RON is 9 ohms typical Pullup on B1 and B2 ports Low Power: 70A typical Industrial Operation Temperature: 40C to +85C Near Zero propagation delay Switching speed: 5ns max. Channel on capacitance: 12pF typical VCC Operating Range: +2V to +3.6V >100 MHz bandwidth (or clock rate) at 20pF load capacitance Package: 56-pin TSSOP (A)
Product Description Pericom Semiconductors PI3C series of logic circuits are produced using the Companys advanced submicron CMOS technology, achieving industry leading performance. The PI3C32160 is a 16- to 32-bit demultiplexer bus switch. Industry leading advantages include a propagation delay of 500ps, resulting from 9 ohms channel resistance and low I/O capacitance. A port demultiplexes to either 1B or 2B and the switch is bidirectional. Application PCI Hot Plugging.
Logic Block Diagram
VBIAS1 Pullup 1A VBIAS2 Pullup 1B2 VBIAS1 Pullup 16A VBIAS2 Pullup 16B2 16B1 1B1
Pin Description
1B1 2B1 2A 3B1 4B1 4A 5B1 6B1 6A 7B1 8B1 8A GND VCC 9B1 10B1 10A 11B1 12B1 12A 13B1 14B1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
56 55 54 53 52 51 50 49 48 47
1A 1B2 2B2 3A 3B2 4B2 5A 5B2 6B2 7A 7B2 8B2 GND Vcc 9A 9B2 10B2 11A 11B2 12B2 13A 13B2 14B2 15A 15B2 16B2 VBIAS2 SEL2
56-Pin A
46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29
SEL1 SEL2
Function nA to nB1 nA to nB2 nA to nB1 and nB2 nB1, nB2 = VBIAS
SEL1 L H L H
SEL2 H L L H
1
14A 15B1 16B1 16A VBIAS1 SEL1
PS8453F
03/09/01
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI3C32160 3.3V, High Bandwidth, 16:32-Bit, PCI Hot-Plug Mux/Demux Bus Switch
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.) Note: Storage Temperature ......................................... 65C to +150C Stresses greater than those listed under MAXIMUM RATINGS Ambient Temperature with Power Applied .........40C to +85C may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other Supply Voltage to Ground Potential .................... 0.5V to +4.6V conditions above those indicated in the operational sections of this DC I/O Voltage ....................................................... 0.5V to 5.5V specification is not implied. Exposure to absolute maximum rating DC Output Current ........................................................... 120mA conditions for extended periods may affect reliability. Power Dissipation .............................................................. 0.5W
DC Electrical Characteristics (Over the Operating Range, TA = 40C, VCC = 3.3V 10%, VBIAS = 1.3V to VCC)
Parame te rs VIH VIL IIH IIL IOZH IO VIK RON De s cription Input HIGH Voltage Input LOW Voltage Input HIGH Current Input LOW Current Pullup Current Clamp Diode Voltage Switch ON Resistance(4) Te s t Conditions (1) Guaranteed Logic HIGH Level Guaranteed Logic LOW Level VCC = Max., VIN = VCC VCC = Max., VIN= GND B = 0V or VCC max., VBIAS1 = VBIAS2 =VCC max. VCC = Min., IIN = 18mA VCC = Min., VIN = 0.0mA ION = 48mA or 64mA VCC = Min., IIN = 2.4V ION = 15mA M in. 2.0 0.5 0.2 0.73 9.0 16 Typ(2) M ax. Units 0.8 1 1 1 2 1.2 12 23 V V A A A mA V
High Impedance Output Current A= 0V or VCC max., VBIAS1 = VBIAS2 =VCC max.
Capacitance (TA = 25C, f = 1 MHz)
Parame te rs (5) CIN C O FF CON D e s cription Input Capacitance A/B Capacitance, Switch O ff A/B Capacitance, Switch O ff VIN = 0V Te s t Conditions Typ. 3.5 4.0 12.0 M ax. 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 = 3.3V, 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 A and B pins 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.
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PS8453F
03/09/01
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI3C32160 3.3V, High Bandwidth, 16:32-Bit, PCI Hot-Plug Mux/Demux Bus Switch
Power Supply Characteristics
Parame te rs ICC ICC
De s cription Quiescent Power Supply Current Supply Current per Input @ TTL HIGH
Te s t Conditions (1) VCC = Max. VIN = GND or VCC VCC = Max. VIN = 3.0V(3)
M in.
Typ.(2) 260
M ax. 850 750
Units A
Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device. 2. Typical values are at VCC = 3.3V, +25C ambient. 3. Per TTL driven input (control inputs only); A and B pins do not contribute to ICC.
Switching Characteristics over Operating Range
PI3C32160 Com Parame te rs tPLH tPHL tPZH tPZL tPHZ tPLZ De s cription Propagation Delay(2,3) AX to BX, BX to AX Bus Enable Time BEX to AX or BX Bus Disable Time BEX to AX or BX Conditions (1) CL = 50pF RL = 500 CL = 50pF RL = 500 R = 500 M in. 1.5 1.5 M ax. 0.50 6.5 5.5 ns 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.
3
PS8453F
03/09/01
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI3C32160 3.3V, High Bandwidth, 16:32-Bit, PCI Hot-Plug Mux/Demux Bus Switch
56-Pin TSSOP (A) Package
56
.236 .244
6.0 6.2
1
.547 .555
13.9 14.1 1.20 .047 Max. SEATING PLANE
.004 0.09 .008 0.20 0.45 .018 0.75 .030 .319 BSC 8.1
.0197 BSC 0.50 X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS
.007 .011 0.17 0.27
.002 .006 0.05 0.15
Ordering Information
Part PI3C32160A Pin - Package 56 - TSSOP (A) Width 240- mil Te mpe rature 0C to 85C
Applications Information
Logic Inputs
The logic control inputs can be driven up to +3.6V regardless of the supply voltage. For example, given a +3.3V supply, the output enables or select pins may be driven low to 0V and high to 3.6V. Driving IN Rail-to-Rail(R) minimizes power consumption.
Power-Supply Sequencing Hot Insertion
Proper power-supply sequencing is recommended for all CMOS devices. It is recommended to always apply VCC before applying signals to input/output or control pins. For Datacom and Telecom applications that have 10 or more volts passing through the backplane or system bus, a high voltage from the power supply may be seen at the device input pins during Hot Insertion. The PI3Cxxx devices have maximum limits of 5.5V and 120mA for 20ns. If the power is higher or applied for a longer period of time or repeatedly reaches the maximum limits, the devices can be damage.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd
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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PS8453F 03/09/01

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