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PI3C3384_11 Datasheet, PDF (3/5 Pages) Pericom Semiconductor Corporation – 2.5V/3.3V, High Bandwidth, Hot Insertion 10-Bit, 2-Port, Bus Switch
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PI3C3384
2.5V/3.3V, High Bandwidth, Hot Insertion
10-Bit, 2-Port, Bus Switch
Power Supply Characteristics
Parameters
Description
Test Conditions(1)
Min. Typ.(2)
ICC
Quiescent Power Supply VCC = Max,
260
Current
VIN = GND or VCC
DICC
Supply Current per Input @ VCC = Max,
TTL HIGH
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, +25°C ambient.
3.Per TTL driven input (control inputs only); A and B pins do not contribute to ICC.
Max. Units
500 µA
750
Switching Characteristics over 3.3V Operating Range
Parameters
Description
Conditions(1)
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
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
CL = 50pF
RL = 500-ohm
CL = 50pF
RL = 500-ohm
R = 500-ohm
Com.
Min
Max
0.25
1.5
6.5
1.5
5.5
Units
ns
Switching Characteristics over 2.5V Operating Range
Parameters
Description
Conditions(1)
Com.
Units
tPLH
tPHL
tPZH
tPZL
tPHZ
Propogation Delay(2,3)
Ax to Bx, Bx to Ax
Bus Enable Time
BEx to Ax or Bx
Bus Disable Time
Min
CL = 50pF
RL = 500-ohm
CL = 50pF
1.5
RL = 500-ohm
R = 500-ohm
1.5
Max
0.25
9.8
ns
8.3
tPLZ
BEx to Ax or Bx
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 driv-
ing 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.
11-0008
3
PS8757G
11/25/10
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