Page 1
1
PS8367B 01/11/01
Product Description
Pericom Semiconductor’s PI5C series of logic circuits are produced
using the Company’s advanced submicron CMOS technology,
achieving industry leading speed grades.
The PI5C3303 is a single 2:1 Mux/Demux digital switch designed with
a fast enable. When enabled via the associated Bus Enable (BE) pin,
the “A” or “B” pin is directly connected to the “C” pin. The bus
switch introduces no additional propagation delay or additional
ground bounce noise.
The PI5C3303 device has an active HIGH enable.
Product Features
• Near zero propagation delay
• 5-Ohm switches connect inputs to outputs
• Direct bus connection when switches are ON
• Ultra Low Quiescent Power (0.2µA Typical)
– Ideally suited for notebook applications
• Packages available:
– 6-pin plastic S0T23 (T)
PI5C3303 Logic Block Diagram
Product Pin Configuration
Product Pin Description
Pin Name Description
B E Switch Enable
A Bus A
B Bus B
Vc c Power
G N D Ground
Truth Table
(1)
Notes:
1 . H = High Voltage Level
L = Low Voltage Level
Hi-Z = High Impedance
X = Don’t Care
6-Pin
T
EBABC noitcnuF
LCXA C&AtcennoC
HXCB C&BtcennoC
PI5C3303
2:1 Mux/Demux Bus Switch
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Page 2
PI5C3303
2:1 Mux/Demux Bus Switch
2
PS8367B 01/11/01
Storage Temperature ..........................................................–65°C to +150°C
Ambient Temperature with Power Applied ..........................–40°C to +85°C
Supply Voltage to Ground Potential (Inputs & Vcc Only) ......... –0.5V to +7.0V
Supply Voltage to Ground Potential (Outputs & D/O Only) ..... –0. 5V to +7.0V
DC Input Voltage ...................................................................–0.5V to +7.0V
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.
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.)
Parameters
(4)
Description Test Conditions Typ. Units
C
IN
Input Capacitance VIN = 0V 3 pF
C
OFF
A/B Capacitance, Switch Off VIN = 0V 5 pF
C
ON
A/B Capacitance, Switch On VIN = 0V 10 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 = 5.0V, TA = 25°C 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.
DC Electrical Characteristics (Over the Operating Range, T
A
= –40°C to +85°C, VCC = 5V ± 10%)
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Page 3
3
PS8367B 01/11/01
PI5C3303
2:1 Mux/Demux Bus Switch
Switching Characteristics over Operating Range
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
Power Supply Characteristics
Parameters Description Test Conditions
(1)
Min. Typ.
(2)
Ma x . Units
I
CC
Quiescent Power Supply Current VCC = Max. VIN = GND or V
CC
0.1 1.0 µA
∆I
CC
Supply Current per Input @ TTL HIGH VCC = Max. VIN = 3.4V
(3)
2.5 mA
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 AC or DC currents as they transition. This parameter
is not tested, but is guaranteed by design.
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