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PI3L110 Datasheet, PDF (3/6 Pages) Pericom Semiconductor Corporation – 3.3V Quad, 2:1 Mux/DeMux Fast Ethernet LAN Switch w/ Single Enable
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PI3L110
3.3V Quad, 2:1 Mux/DeMux
Fast Ethernet LAN Switch w/ Single Enable
Capacitance (TA = 25°C, f = 1MHz)
Parameters(4)
Description
Test Conditions
Typ.
Max.
Units
CIN
Input Capacitance
2
3
COFF(In)
Port IN Capacitance, Switch OFF
VIN = 0V
4
6
pF
CON
YN/IN Capacitance, Switch ON
9
10
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 = 25°C ambient and maximum loading.
3. Measured by the voltage drop between IN and YN pins at indicated current through the switch. On-Resistance is determined by the lower of the
voltages on the two (IN & YN) pins.
4. This parameter is determined by device characterization but is not production tested.
Power Supply Characteristics
Parameters Description
Test Conditions(1)
Min. Typ.(2) Max.
ICC
Quiescent Power Supply Current VCC = Max., VIN = GND or VCC
—
—
800
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 = 25°C ambient and maximum loading.
3. Per TTL driven input (control inputs only); A and B pins do not contribute to ICC.
Units
µ
Dynamic Electrical Characteristics Over the Operating Range
(TA = –40°C to +85°C, VCC = 3.3V ±10%, GND = 0V)
Parameter
Description
Test Conditions
Min.
XTALK
OIRR
Crosstalk
OFF Isolation
—
RL = 50Ω, f = 250MHz
—
BW
Bandwidth –3dB
RL = 50Ω
—
Typ.(2)
-40
–30
350
Max.
—
—
—
Units
dB
MHz
Characteristics
Paramenter
Description
Test Conditions Min. Typ.(2) Max. Units
tPD
Propagation Delay(2,3)
–
0.25
tPZH, tPZL
tPHZ, tPLZ
Line Enable Time - S or E to YN, IN
Line Disable Time - S to E to YN, IN
0.5
–
15
0.5
–
9
ns
tSK(p)
Skew between opposite transitions of the
same output (tPHL - tPLH) (2)
–
0.1
0.2
Notes:
1. For max. or min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Guaranteed by design.
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 10pF 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 interactions with the load on the driven side.
3
PS8690A
09/22/04
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