|Category||Logic => Bus Interface|
|Description||Low Capacitance 16-bit to 32-bit Mux/demux Busswitch|
|Company||Pericom Semiconductor Corporation|
|Datasheet||Download PI5C16234C datasheet
RON is 8 Typical Pulldown on B Ports Low Power: 1mW Industrial Operation to 85ºC Near Zero Propagation Delay Switching Speed: 4.5ns max. Channel on capacitance: 9pF (typ.) VCC Operating Range: +5.5V >100 MHz Bandwidth Packages Available: - 56-pin plastic TSSOP (A)
Pericom Semiconductor's PI5C series of logic circuits are produced using the Company's advanced submicron CMOS technology. The to 32-bit mux/demux switch. Industry leading advantages include almost zero propagation delay of 500ps because of the 8 channel resistance and low I/O capacitance. A1 port demultiplexes to either port or B2. The switch is bidirectional.Application
(Above which the useful life may be impaired. For user guidelines, not tested.) Storage Temperature..................................................... to +150°C Ambient Temperature with Power Applied.................... to +85°C Supply Voltage Range..................................................... +4.6V DC Input Voltage............................................................ +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.
Parameters Description VIH VIL IIH IIL IOZ RON Input HIGH Voltage Input LOW Voltage Input HIGH Current Input LOW Current High Impedance Output Current Switch On Resistance(4) Test Conditions(1) Guaranteed Logic HIGH Level Guaranteed Logic HIGH Level VCC = Max., VIN = VCC = Max., VIN = GND B = VCC Min., VCC =Min. VCC = Min., VIN = 0.0V, ION = 12mA VCC = Min., VIN = 2.4V, ION = 8mA Min. Typ(1) Max. mA V Units
Parameters(5) CIN CON Description Input Capacitance A/B Capacitance, Switch On Test Conditions VIN = 0V VIN = 0V Typ. 3 9 Max. 11 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 = 25°C 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 pins at indicated current through the switch. ON resistance is determined by the lower of the voltages on the two & B) pins. 5. This parameter is determined by device characterization but is not production tested.
PI5C16234C Low Capacitance to 32-Bit Mux/Demux BusSwitch 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Power Supply Characteristics
Parameters Description ICC ICCD Quiescent Power Supply Current Supply Current per Input @ TTL HIGH Supply Current per Input per MHz(4) Test Conditions(1) VCC = Max. VCC = Max. VCC = Max., A and B Pins Open Control Input Toggling 50% Duty Cycle VIN = GND or VCC VIN = 3.4V(3) other pin = VCC or GND Min. Typ(2) Max. 2.5 0.25 Units µA mA mA/ MHz
Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device. 2. Typical values are at VCC 5.0V, +25°C ambient. 3. Per TTL driven input (VIN = 3.4V, 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 or DC currents as they transition. This parameter is not tested, but is guaranteed by design. 5. Values for these conditions are examples of the ICC formula. These limits are guaranteed but not tested.Description Propagation to B Bus Enable Time SEL TO A,B Bus Disable Time SEL to A,B
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 25pF 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, 95131 1-800-435-2336 Fax (408) 435-1100 http://www.pericom.com
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