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PI3C16210
Product Features
Near-zero propagation delay 5-Ohm switch connects inputs to outputs Direct bus connection when switch is ON 32X384 function with flow through pinout makes board layout easier Ultra-low quiescent power (0.2mA typical) ideally suited for notebook applications Industrial operating temperature: 40C to +85C Packages available: 48-pin 173-mil wide plastic TVSOP (K) 48-pin 240-mil wide plastic TSSOP (A)
Product Description
3.3V, High Bandwidths 20-Bit, 2-Port Bus Switch
Pericom Semiconductors PI3C series of Bus Switch circuits are produced using the Companys advanced submicron CMOS technology, achieving industry leading speed. The PI3C16210 is configured as a 20-bit, 2-port bus switch designed with a low ON resistance (5 Ohm) allowing inputs to be connected directly to outputs. The bus switch creates no additional propagational delay or additional ground bounce noise. The switch is turned ON by the Bus Enable (xOE) input signal.
Product Pin Configuration
NC
1A1 1A2 1A3 1A4 1A5 1A6 GND 1A7 1A8 1A9 1A10 2A1 2A2 VCC 2 A3 GND 2A4 2A5 2A6 2A7 2A8 2A9 2A10
Logic Block Diagram
1A1 1B1
1A10
1B10
1OE
2A1
2B1
2A10
2B10
2OE
Truth Table(1)
Inputs
1O E 2O E
Inputs /Outputs
1A,1B 1A = 1B 1A = 1B 2A,2B 2A = 2B
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-Pin A, K
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25
1OE 2OE 1B1 1B2 1B3 1B4 1B5
GND 1B6 1B7 1B8 1B9 1B10 2B1 2B2 2B3 GND 2B4 2B5 2B6 2B7 2B8 2B9 2B10
L L H
L H L
Product Pin Description
Pin Name
1OE, 2OE 1A1-1A10, 2A1-2A10 1B1 - 1B10, 2B1 - 2B10
Z
2A = 2B
Z Z
H H Note: 1. H = High Voltage Level L = Low Voltage Level Hi-Z = High Impedance
Z
Description Bus Enable Inputs (Active LOW) Bus A Bus B
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PS8452C
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PI3C16210 3.3V, High Bandwidth , 20-Bit, 2-Port Bus 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 (Inputs & VCC Only) ........ 0.5V to +4.6V Supply Voltage to Ground Potential (Outputs & D/O Only) ...... 0.5V to +4.6V DC I/O 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 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 = 3.3V 10%)
Parame te rs VIH VIL IIH IIL IOZ(3) VIK De s cription Input HIGH Voltage Input LOW Voltage Input HIGH Current Input LOW Current High- Impedence Output Current Clamp diode Voltage 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 M in. 2.0 0.5 Typ.(2) 0.73 6.5 10 M ax. 0.8 1 1 1 1.2 8.5 15 V A Units V
RON
Switch On Resistance(4)
Capacitance (TA = 25C f = 1 MHz)
Parame te rs (5) 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. 3.5 4.0 8.0 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 = 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 pin 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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PS8452C
03/13/01
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI3C16210 3.3V, High Bandwidth , 20-Bit, 2-Port Bus Switch
Te s t Conditions (1) Typ.(2) 260
Power Supply Characteristics
Parame te rs ICC ICC De s cription Quiescent Power Supply Current Supply Current per Input @ TTL HIGH M in. M ax. 850 A 750 Units VCC = Max., VIN = GND or VCC VCC = Max., VIN = 3.0V(3)
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.
PI3C16210 Switching Characteristics over Operating Range
Com. Parame te rs tPLH tPHL tPZH tPZL tPHZ tPLZ De s cription Propogation 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. 0.25 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.
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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PS8452C 03/13/01
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PI3C16210 3.3V, High Bandwidth , 20-Bit, 2-Port Bus Switch
48-Pin TVSOP (K) Package
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
48-Pin TSSOP (A) Package
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
Ordering Information
Part PI3C16210A PI3C16210K Pin - Package 48 - TSSOP (A) 48 - TVSOP (K) Width 240- mil 173- mil Te mpe rature 0C 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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PS8452C 03/13/01

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