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PI2B4300
2.5V/3.3V 4-Bit, 3-Port Matrix Switch
Product Features

Low propagation delay Low ON resistance switches connect inputs to outputs Direct bus connection when switches are ON Ultra-Low Quiescent Power (0.2A Typical) Packages available: 16-pin 173 mil wide TSSOP (L)
Product Description
Pericom Semiconductors PI2B series of logic circuits are produced using the Companys advanced submicron CMOS technology, achieving industry leading performance. The PI2B4300 is a 4-bit, 3-port bus exchange switch designed with a low ON resistance allowing inputs to be connected directly to outputs. The switches are turned OFF by S0 = H and S1 = H. The A bus can be connected to B bus by S0 = L and S1 = L. The B bus can be connected to C bus by S0 = H and S1 = L. The C bus can be connected to A bus by S0 = L and S1 = H.
Applications
Blue Tooth signal switching Notebooks
Logic Block Diagram
B0
Product Pin Configuration
S0
A0
1 2 3 4 5 6 7 8
16 15 14
16-Pin 13 L 12
VCC S1 C0 B1 C1 C2 B3 C3
A0 B0
C0
A1 A2
B3
B2 A3
11 10 9
A3
GND
C3 S0 S1
DECODER
Product Pin Description
Pin Name De s cription Bus Direction Bus A Bus B Bus C Ground Power S0, S1
Truth Table
Function Disconnect
(1)
S0 H L H L
S1 H L L H
A03 Hi- Z B03 Hi- Z C03
B03 Hi- Z A03 C03 Hi- Z
C03 Hi- Z Hi- Z B03 A03
A03 B03 C03 GND VCC
Connect A- B Connect B- C Connect C- A
Note: 1. H = High Voltage Level L = Low Voltage Level Hi-Z = High Impedance
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PS8579A 10/29/01
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI2B4300 2.5V/3.3V 4-Bit, 3-Port Matrix Switch
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 ...................................... 0.5V to +4.6V DC Input Voltage ................................................................... 0.5V to +4.6V 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 = 40C to +85C, VCC = 2.3V to 2.7V)
Parame te rs VIH VIL IIH IIL IOZ VIK RON D e s cription Input HIGH Voltage Input LO W Voltage Input HIGH Current Input LO W Current High Impedance O utput Current Clamp Diode Voltage Switch O N Resistance(3) Te s t Conditions (1) Guaranteed Logic HIGH Level Guaranteed Logic LO W Level VCC = Max., VIN = VCC VCC = Max., VIN = GND 0 A, B VCC VCC = Min., IIN = 18mA VCC = Min., VIN = 1.6V, ION = 15mA 0.7 20 M in. 1.6 0.3 0.8 1 1 1 1.2 30 V A Typ(2) M ax. Units V
DC Electrical Characteristics (Over the Operating Range, TA = 40C to +85C, VCC = 3.0V to 3.6V)
Parame te rs VIH VIL IIH IIL IOZ VIK RON De s cription Input HIGH Voltage Input LOW Voltage Input HIGH Current Input LOW Current High Impedance Output Current Clamp Diode Voltage Switch ON Resistance(3) Te s t Conditions (1) Guaranteed Logic HIGH Level Guaranteed Logic LOW Level VCC = Max., VIN = VCC VCC = Max., VIN = GND 0 A, B VCC VCC = Min., IIN = 18mA VCC = Min., VIN = 0.0V, ION = 48mA or 64mA VCC = Min., VIN = 2.4V, ION = 15mA 0.7 10 18 M in. 2.0 0.3 0.8 1 1 1 1.2 15 25 V A Typ(2) M ax. Units V
Capacitance (TA = 25C, f = 1 MHz)
Parame te rs (4) CIN C O FF CON De s cription Input Capacitance A/B Capacitance, Switch Off A/B Capacitance, Switch On VIN = 0V Te s t Conditions Typ. 3.0 5.0 12.0 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 = 2.5V, TA = 25C ambient and maximum loading. 3. 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. 4. This parameter is determined by device characterization but is not production tested.
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PS8579A 10/29/01
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI2B4300 2.5V/3.3V 4-Bit, 3-Port Matrix Switch
Power Supply Characteristics for 2.5V Operation
Parame te rs ICC De s cription Quiescent Power Supply Current VCC = Max. Te s t Conditions (1) VIN = GND or VCC M in. Typ.(2) M ax. 10 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 = 2.5V, +25C ambient.
Switching Characteristics over 2.5V Operating Range
Parame te rs tPLH, tPHL tS Propagation Delay(2,3) Bus Direction Time D e s cription Ax to Bx, Bx to Cx or Cx to Ax Sy to Ax or Bx or Cx Conditions (1) CL = 30pF RL = 500 ohms Com M in. 1.0 M ax. 1.0 6.5 Units ns
Notes: 1. See test circuit and waveforms. 2. This parameter is guaranteed but not tested on Propagation Delays. 3. The bus switch contributes little 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 1.0ns for 30pF load. Propagation 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.
Parameter Measurements
From Output Under Test CL = 30pF (See note 1) 500 S1 2xVCC Open GND
Te s t tPD tPLZ/tPZL tPHZ/tPZH
Output Control (Low Level Enabling) Output Waveform 1 S1 at 2xVCC (see Note 2) tPZH Output Waveform 2 S1 at GND (see Note 2)
S1 O pen 2xVCC GND
VCC
500
LOAD CIRCUIT
VCC Input tPLH VCC/2 VCC/2 0V tPHL VOH Output VCC/2 VCC/2 VOL
VCC/2 tPZL VCC/2
VCC/2 tPLZ 0V VOH VOL+0.3V (VCC = 3.3V) VOL+0.15V (VCC = 2.5V) VOL tPHZ VOH VOH -0.15V (VCC = 2.5V) VOH -0.3V (VCC = 3.3V) 0V
VCC/2
Voltage Waveforms Propagation Delay Times
Voltage Waveforms Enable and Disable Times
Notes: 1. CL includes probe and jig capacitance. 2. 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. 3. All input pulses are supplied by generators having the following characteristics: PRR<10MHz, ZO = 50 ohms, tR 2ns, tF 2ns. 4. The outputs are measured one at a time with one transition per measurement. 5. tPLZ and tPHZ are the same as tDIS. 6. tPZL and tPZH are the same as tEN. 7. tPLH and tPHL are the same as tPD.
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PS8579A 10/29/01
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI2B4300 2.5V/3.3V 4-Bit, 3-Port Matrix Switch
16-Pin TSSOP (L) Package
16
.169 .177
4.3 4.5
1 .193 .201 4.9 5.1 .004 .008 .047 max. 1.20 SEATING PLANE 0.45 .018 0.75 .030 .252 BSC 6.4
0.09 0.20
.0256 BSC 0.65
.007 .012 0.19 0.30
.002 .006
0.05 0.15 X.XX DENOTES CONTROLLING X.XX DIMENSIONS IN MILLIMETERS
Ordering Information
Part PI2B4300L Pin-Package 16 - TSSO P (L) Te mpe rature 40C to 85C
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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PS8579A 10/29/01

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