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PI3B16233
3.3V, 16-Bit to 32-Bit FET Mux/Demux NanoSwitchTM
Features
5-ohm Switch Connection Between Two Ports Nea-Zero Propagation Delay Fast Switching Speed: 4.5ns (max.) Ultra -Low Quiescent Power (0.2mA typical) - ideal for notebook applications. * Industrial Operating Temperature: -40C to 85C * Package (Pb-free & Green available): - 56-pin 240-mil wide plastic TSSOP(A) - 56-pin 300- mil wide plastic SSOP (V) * * * *
Description
Pericom Semiconductor's PI3B16233 is a 16-bit to 32-bit mux/demux switch. This device can be used for memory bank interleaving. The PI3B16233 can be used as two 8-bit to 16-bit multiplexers or as one 16-bit to 32-bit multiplexer. Two select inputs (SEL1 and SEL2) control the data flow. When the TEST inputs are asserted HIGH, the A port is connected to both the B1 and the B2 ports.
Block Diagram
TEST1 SEL1 30 27
Pin Configuration
1A 1
One of Eight Channels
SW
55 1B2 56 1B1
SW
SW
SEL2 29 28
TEST2
A
B
S
9A
15
One of Eight Channels
SW
41
9B2
SW
42 9B1
Function Table
Inputs SEL L H X TEST L L H Function A = B1 A = B2 A = B1 and A = B2
1
PS8171E
09/29/04
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI3B16233 3.3V, 16-Bit to 32-Bit FET Mux/Demux NanoSwitch
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 Range ....................................................... -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 = 3.0V to 3.6V)
Parame te rs VIH VIL IIH IIL IOZH VIK RON De s cription Input HIGH Voltage Input LOW Voltage Input HIGH Current Input LOW 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 VCC = Min, IIN = -18mA VCC = Min., VIN = 0.0V, ION = 48mA or 64mA VCC = Min., VIN = 2.4V, ION = 15mA -0.7 5 10 M in. 2.0 -0.5 0.8 1 1 1 -1.2 8 15 V A Typ.(2) M ax. Units V
High Impedance Output Current 0 A, B VCC
Capacitance (TA = 25C, f = 1 MHz)
Parame te rs (5) CIN CON De s cription Input Capacitance A/B Capacitance, Switch On Te s t Conditions VIN = 0V Typ. 3.0 25.0 Units pF
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. 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.
2
PS8171E
09/29/04
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI3B16233 3.3V, 16-Bit to 32-Bit FET Mux/Demux NanoSwitch
Power Supply Characteristics
Parame te rs ICC ICC ICCD De s cription Quiescent Power Supply Current Supply Current per Input @ TTL High Supply Current per Input per MHz(4) VCC = Max. VCC = Max. VCC = Max. A & B Pin Open Control Input Toggling 50% Duty Cycle Te s t Conditions (1) VIN = GND or VCC VIN = 3.0V(3) M in. Typ(2) M ax. 10 A 750 0.25 mA/ MHz Units
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. 4. This current applies to the control inputs only and represent the current required to switch internal capacitance at the specified frequency. The A and B inputs generate no significant AC or DC currents as they transition. This parameter is not tested, but is guaranteed by design.
Switching Characteristics over Operating Range
Com. Parame te rs tPLH tPHL tPZH tPZL tPHZ tPLZ De s cription Propagation Ax to Bx, Bx to Ax Bus Enable Time SELX to Ax or Bx Bus Disable Time SELX to Ax or Bx Delay(2,3) Conditions (1) CL = 50pF, RL = 500 CL = 50pF, RL = 500, R = 500 CL = 50pF, RL = 500 1 1 M ax. M in. 0.25 4.5 5.0 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
PS8171E
09/29/04
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI3B16233 3.3V, 16-Bit to 32-Bit FET Mux/Demux NanoSwitch
Packaging Mechanical: 56-Pin TSSOP (A)
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
Packaging Mechanical: 56-Pin SSOP (V)
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
4
PS8171E
09/29/04
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI3B16233 3.3V, 16-Bit to 32-Bit FET Mux/Demux NanoSwitch
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, IN may be driven low to 0V and high to 3.6V. Driving IN Rail-to-Rail(R) minimizes power consumption. Power-Supply Sequencing and Hot-Plug Information Proper power-supply sequencing is recommended for all CMOS devices. Always apply VCC and GND before applying signals to input/output or control pins.
Rail-to-Rail is a registeredtrademark of Nippon Motorola, Ltd.
Ordering Information
Ordering Code PI3B16233A PI3B16233AE PI3B16233V PI3B16233VE Package Code A A V V Package Type 56-pin 240-mil wide TSSOP Pb-free & Green, 56-pin 240-mil wide TSSOP 56-pin 300-mil wide SSOP Pb-free & Green, 56-pin 300-mil wide SSOP
Notes: 1. Thermal characteristics can be found on the company web site at www.pericom.com/packaging/
Pericom Semiconductor Corporation * 1-800-435-2336 * www.pericom.com
5
PS8171E 09/29/04

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