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PI3L301D
3.3V, 16-Bit to 8-Bit, Mux/Demux Gigabit Ethernet LAN Switch with Single Enable
Product Features
* * * * * * * * * * * RON is 4 typical Low bit-to-bit skew: 200ps Low crosstalk: -90dB @ 250MHz Low Current Consumption: 20A Near Zero propagation delay: 250ps Switching speed: 9ns Channel On capacitance: 6pF (typical) VCC Operating Range: +3.0V to +3.6V ESD>2000V . . . Human Body Model >350 MHz bandwidth (or data frequency) Packages (Pb-free available): 48-pin 240 mil wide plastic TSSOP (A) 48-pin 173 mil wide plastic TVSOP (K)
Product Description
Pericom Semiconductor's PI3L series of logic circuits are produced using the Company's advanced sub-micron CMOS technology, achieving industry leading performance. The PI3L301D is a 16- to 8-bit multiplexer/demultiplexer LAN Switch with Hi-Z outputs. Industry leading advantages include a propagation delay of less than 250ps, resulting from its low channel resistance and I/O capacitance. The device multiplexes differential outputs from a Gigabit Ethernet transceiver (PHY) device to one of two corresponding B1 or B2 outputs. The switch is bidirectional and offers little or no attenuation of the high-speed signals at the outputs. It is designed for low bit-to-bit skew, high channel-to-channel noise isolation and is compatible with various standards, such as 10/100/1000 Base-T (Ethernet). Generally, this part can be used to replace mechanical relays in low-voltage LAN applications that interface a physical layer over CAT 5 or CAT 6 unshielded twisted pair cable through an isolation transformer.
Applications
* Dual Physical Layer Device sharing to one interface connector * SONET OC-12(622Mbps) signal routing * Routes physical layer signals for 10/100/1000 Mbit Ethernet
Pin Description
VDD A0 GND A1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25
Logic Block Diagram
A0 A1 0B1 1B1 0B2 1B2 A2 A3 2B1 3B1 2B2 3B2 A4 A5 4B1 5B1 4B2 5B2 6B1 7B1 6B2 7B2 SEL
0B1 1B1 GND 0B2 1B2 GND 2B1 3B1 GND 2B2 3B2 GND VDD 4B1 5B1 GND 4B2 5B2 GND 6B1 7B1 GND 6B2 7B2
GND VDD GND A2 GND A3 GND VDD GND NC A4 GND A5 GND VDD GND A6 GND A7 SEL
A6 A7
1
PS8665A
06/13/03
PI3L301D 3.3V, 16-Bit to 8-Bit, Mux/Demux Gigabit Ethernet LAN Switch with Single Enable
Maximum Ratings
(Above which useful life may be impaired. For user guidelines, not tested.) Storage Temperature....................................-65C to +150C Supply Voltage to Ground Potential...............-0.5V to +4.0V DC Input Voltage............................................-0.5V to +5.5V 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 specication is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
Truth Table
Function AN to NB1 AN to NB2 SEL L H
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PS8665A
06/13/03
PI3L301D 3.3V, 16-Bit to 8-Bit, Mux/Demux Gigabit Ethernet LAN Switch with Single Enable
DC Electrical Characteristics for 1000 Base-T Ethernet Switching over Operating Range
(TA = -40C to +85C, VCC = 3.3V 10%) Paramenter VIH VIL VIK IIH IIL IOFF RON RFLAT(ON) RON Description Input HIGH Voltage Input LOW Voltage Clamp Diode Voltage Input HIGH Current Input LOW Current Power Down Leakage Current Switch On-Resistance(3) On-Resistance Flatness(4) On-Resistance match from center ports to any other port(4) Test Conditions Guaranteed HIGH level Guaranteed LOW level VCC = Max., IIN = -18mA VCC = Max., VIN = VCC VCC = Max., VIN = GND VCC = 0V, VA = 0V, VB 3.6 VCC = Min., 1.5V VIN VCC IIN = -40mA VCC = Min., VIN @ 1.5V and VCC IIN = -40mA VCC = Min., 1.5V VIN VCC IIN = -40mA Min. 2 -0.5 Typ.(2) -0.7 4 1 0.9 Max. Units 0.8 -1.2 5 5 8 2 A V
DC Electrical Characteristics for 10/100 Base-T Ethernet Switching over Operating Range
(TA = -40C to +85C, VCC = 3.3V 10%) Paramenter VIH VIL VIK IIH IIL IOFF RON RFLAT(ON) RON Description Input HIGH Voltage Input LOW Voltage Clamp Diode Voltage Input HIGH Current Input LOW Current Power Down Leakage Current Switch On-Resistance(3) On-Resistance Flatness(4) Test Conditions Guaranteed HIGH level Guaranteed LOW level VCC = Max., IIN = -18mA VCC = Max., VIN = VCC VCC = Max., VIN = GND VCC = 0V, VA = 0V, VB 3.6 VCC = Min., 1.25V VIN VCC IIN = -10mA to -30mA VCC = Min., VIN @ 1.25V and VCC IIN = -10mA to -30mA Min. 2.0 -0.5 Typ.(2) Max. Units -0.7 1.0 0.9 0.8 -1.2 5 5 8 2.0 A V
On-Resistance match from center ports VCC = Min., 1.25V VIN VCC to any other port(4) IIN = -10mA to -30mA
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PS8665A
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PI3L301D 3.3V, 16-Bit to 8-Bit, Mux/Demux Gigabit Ethernet LAN Switch with Single Enable
Capacitance (TA = 25C, f = 1MHz)
Parameters(5) CIN COFF(B1, B2) CON(A/B) Description Input Capacitance Port B Capacitance, Switch OFF A/B Capacitance, Switch ON VIN = 0V Test Conditions Typ. 2.0 4.0 6.0 Max. 3.0 6.0 10.0 pF Units
Notes: 1. For max. or min. conditions, use appropriate value specied under Electrical Characteristics for the applicable device type. 2. Typical values are at VCC = 3.3V, TA = 25C ambient and maximum loading. 3. 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. 4. This parameter is determined by device characterization but is not production tested.
Power Supply Characteristics
Parameters ICC Description Quiescent Power Supply Current Test Conditions(1) VCC = Max., VIN = GND or VCC Min. Typ.(2) Max. 800 Units A
Notes: 1. For max. or min. conditions, use appropriate value specied under Electrical Characteristics for the applicable device type. 2. Typical values are at VCC = 3.3V, TA = 25C ambient and maximum loading. 3. Per TTL driven input (control inputs only); A and B pins do not contribute to ICC.
Dynamic Electrical Characteristics Over the Operating Range (TA=-40 to +85C, VCC=3.3V10%, GND=0V)
Parameter XTALK OIRR BW Description Crosstalk OFF Isolation Bandwidth -3dB Test Conditions RL = 100, f = 250MHz RL = 100 Min. Typ.(2) -90 -75 350 Max. Units dB MHz
Switching Characteristics
Paramenter tPD tPZH, tPZL tPHZ, tPLZ tSK(o) tSK(p) Propagation Delay(2,3) Line Enable Time - SEL to AN, BN Line Disable Time - SEL to AN, BN Output Skew between center port (A4 to A5) to any other port(2) Skew between opposite transitions of the same output (tPHL - tPLH) (2) Description Test Min. Typ.(2) Conditions 0.5 0.5 0.25 0.1 0.1 15 9 0.2 0.2 ns Max. Units
Notes: 1. For max. or min. conditions, use appropriate value specied under Electrical Characteristics for the applicable device type. 2. Guaranteed by design. 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 10pF 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 interactions with the load on the driven side. 4
PS8665A 06/13/03
PI3L301D 3.3V, 16-Bit to 8-Bit, Mux/Demux Gigabit Ethernet LAN Switch with Single Enable
Test Circuit for Electrical Characteristics(1)
6.0V VCC
200 Pulse Generator VIN D.U.T RT VOUT 10pF CL 200
Notes: 1. CL = Load capacitance: includes jig and probe capacitance. 2. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator 3. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. 4. All input impulses are supplied by generators having the following characteristics: PRR MHz, ZO = 50, tR 2.5ns, tF 2.5ns. 5. The outputs are measured one at a time with one transition per measurement.
Switch Positions
Test tPLZ, tPZL (output on B-side) tPHZ, tPZH (output on B-side) Switch 6.0V GND
Test Circuit for Dynamic Electrical Characteristics
HP4195A
S1
R1
T1
VCC HP11667A
PI3L301D
10pF
50
5
PS8665A
06/13/03
PI3L301D 3.3V, 16-Bit to 8-Bit, Mux/Demux Gigabit Ethernet LAN Switch with Single Enable
Switching Waveforms
SEL 1.25V tPZL VDD/2 1.25V 0V 2.5V
3.5V Input tPLH Output 2.5V 2.5V 2.5V 1.5V tPHL VOH 2.5V VOL
Input A
tPLZ VOL +0.3V tPHZ VDD/2 VOH -0.3V tPHZ VDD/2 VDD/2
VDD VOL VOH 1.5V VOH 1.5V
tPZH
Output A tPZH
Output B
Voltage Waveforms Propagation Delay Times
Voltage Waveforms Enable and Disable Times
3.5V 2.5V Data In at Ax or Ay 1.5V tPLHX tPHLX VOH 2.5V Data Out at MBx I VOL tSK(o) VOH 2.5V Data Out at MBy tPLHy tPHLy tSK(o) = I tPLHy - tPLHx I or I tPHLy - tPHLx I VOL
3.5V 2.5V Input 1.5V tPLH tPHL VOH Output tSK(p) = I tPHL - tPLH I 2.5V VOL
Output Skew - tSK(o)
Pulse Skew - tSK(p)
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
Proper power-supply sequencing is advised for all CMOS devices. It is recommended to always apply VCC before applying signals to the input/output or control pins.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd
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PS8665A
06/13/03
PI3L301D 3.3V, 16-Bit to 8-Bit, Mux/Demux Gigabit Ethernet LAN Switch with Single Enable
Packaging Mechanical: 48-Pin TSSOP (A)
48
.236 .244
6.0 6.2
1
.488 12.4 .496 12.6 .047 1.20 Max SEATING PLANE
.004 0.09 .008 0.20 0.45 .018 0.75 .030 .319 BSC 8.1
X.XX X.XX
DENOTES DIMENSIONS IN MILLIMETERS
.0197 BSC 0.50
.007 .010 0.17 0.27
.002 .006 0.05 0.15
Packaging Mechanical: 48-Pin TVSOP (K)
48
.169 .177
4.30 4.50 .0035 .008 0.09 0.20
1
.378 9.60 .386 9.80
.031 .041 0.80 1.05
0.45 .018 0.75 .030 .252 BSC 6.4 SEATING PLANE
X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS
.016 BSC 0.40
.0051 .009 0.13 0.23
.002 .006 0.05 0.15
Max. .047 1.20
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PS8665A
06/13/03
PI3L301D 3.3V, 16-Bit to 8-Bit, Mux/Demux Gigabit Ethernet LAN Switch with Single Enable
Ordering Information
Ordering Code PI3L301DA PI3L301DAE PI3L301DK PI3L301DKE Package Code A A K K Package Type 48-pin 240 mil wide plastic TSSOP (A) Pb-free, 48-pin 240 mil wide plastic TSSOP (A) 48-pin 173 mil wide plastic TVSOP (K) Pb-free, 48-pin 173 mil wide plastic TVSOP (K)
Notes: 1. Thermal characteristics can be found on the company web site at http://www.pericom.com/packaging/mechanicals.php
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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PS8665A 06/13/03

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