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PI3B16213
3.3V, 24-Bit Bus-Exchange Switch
Product Features
Near-zero propagation delay 5-ohm switches connect inputs to outputs Direct bus connection when switches are ON Fast Switching Speed: 5.5ns max. Operating VCC Range: 3.0V to 3.6V Industrial operating temperature: 40C to +85C Packages available: 56-pin 240-mil wide thin plastic TSSOP (A) 56-pin 300-mil wide plastic SSOP (V)
Product Description
Pericom Semiconductors PI3B series of logic circuits are produced using the Companys advanced submicron CMOS technology. The PI3B16213 is a 3.3 volt, 24-bit bus-exchange switch designed with a low ON resistance allowing connections to be made with minimal propagation delay. This device operates either as a 24-bit or as a 12-bit bus switch, providing data exchange between the four signal ports via the data-select (S0-S2) terminals.
Logic Block Diagram
1 of 12 Channels XA1 XB1
Product Pin Configuration
S0 1A1 1A2 2A1 2A2 3A1 3A2 GND 4A1 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 S1 S2 1B1 1B2 2B1 2B2 3B1 GND 3B2 4B1 4B2 5B1 5B2 6B1 6B2 7B1 7B2 8B1 GND 8B2 9B1 9B2 10B1 10B2 11B1 11B2 12B1 12B2
XA2
XB2
4A2 5A1 5A2
56-Pin A, V
47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29
FLOW CONTROL S0 S1 S2
6A1 6A2 7A1 7A2 VCC
Truth Table
Function Disconnect A1 to B1 A1 to B2 A2 to B1 A2 to B2 A1 to A2 and B2 A1 to B1, A2 to B2 A1 to B2, A2 to B1 S2 L L L L H H H H S1 L L H H L L H H S0 L H L H L H L H A1 Z B1 B2 Z Z A2/B2 B1 B2 A2 Z Z Z B1 B2 A1/B2 B2 B1
8A1 GND 8A2 9A1 9A2 10A1 10A2 11A1 11A2 12A1 12A2
Product Pin Description
Pin Name S0- S2 xAx xBx I/O I I/O I/O Bus A Bus B D e s cription Select Inputs
Note: 1. H = High Voltage Level L = Low Voltage Level Z = High Impedance
1
PS8169A
08/21/01
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI3B16213 3.3V 24-Bit Bus-Exchange Switch
Maximum Ratings
(Above which 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 Range ................................................... 0.5V to +4.60V DC Input Voltage ........................................................... 0.5V to +4.60V DC Output Current ...................................................................... 120mA Power Dissipation ............................................................................. 1 W
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.
Electrical Characteristics (Over the Operating Range, TA = 40C to +85C, VCC = 3.0V to 3.6V)
Parame te rs VIK II ICC CIN(2) COFF(2) De s cription Input HIGH Voltage Input Current VCC = Min. VCC = 0 VCC = Max. VIN = 0V VIN = 0V; S0, S1, S2 = GND VCC = Min VI = 0 VI = 2.4 V A1 to A2 VCC = Min. VCC = Min VI = 0 VI = 2.4 V II = 30mA, II = 64mA II = 15mA II = 30mA, II = 64mA II = 15mA 5 5 10 10 10 20 Te s t Conditions II = 18mA VI = Max. VI = Max. or GND VI =VCC or GND M in. Typ(1) M ax. Units 1.2 10 1 10 3 14 8 8 15 14 14 30 pF A V
Quiescent Power Supply Current VCC = Max. IO = 0 Input Capacitance Switch Off, A/B Capacitance A to B VCC = Min.
RON(3)
Notes: 1. Typical values are at VCC = 3.3V, TA = 25C ambient and maximum loading. 2. This parameter is determined by device characterization but is not production tested. 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.
2
PS8169A
08/21/01
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI3B16213 3.3V 24-Bit Bus-Exchange Switch
Recommended Operating Conditions
Parame te rs VCC VIH VIL TA D e s cription Supply voltage High- level input voltage Low- level input voltage O perating free- air temperature M in. 3.0 2 40 Typ(1) M ax. 3.6 0.8 85 C V Units
Notes: 1. Typical values are at VCC = 3.3V, +25C ambient.
PI3B16213 Switching Characteristics over Operating Range
VCC = 3.0 V to 3.6V Parame te rs tPD(1,2) tEN(2) tDIS(2) tEN(2) tDIS
(2)
From (Input) A or B A1 S S S0 S0
To (Output) B or A A2 A or B A or B A1 and A2 A1 and A2
M in.
M ax. 0.25 0.5
Units
1 1 1 1
4.5 5.5 4.5 5.5
ns
Note: 1. This parameter is guaranteed but not tested on Propagation Delays. 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. 2. See test circuit and waveforms.
Pericom Semiconductor Corporation 2380 Bering Drive * San Jose, CA 95131 * 1-800-435-2336 * Fax (408) 435-1100 * http://www.pericom.com
3
PS8169A
08/21/01
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI3B16213 3.3V 24-Bit Bus-Exchange Switch
56-Pin TSSOP (A) Package
56-Pin SSOP (V) Package
56
.291 .299 7.39 7.59
.396 .416 10.06 10.56 Gauge Plane .010 0.25 .02 .04 0.51 1.01
1 .720 18.29 .730 18.54 .015 0.381 x 45 .025 0.635
.008 0.20 Nom.
.110 2.79 Max .025 BSC 0.635 X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS .008 .0135 0.20 0.34 .008 0.20 .016 0.40
0-8
Ordering Information
Part PI3B16213A PI3B16213V Pin 56 Package TSSOP SSO P Width 240- mil 300- mil 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
4
PS8169A 08/21/01

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