PI3C34X245 View Datasheet(PDF) - Pericom Semiconductor
Part Name
Description
MFG CO.
PI3C34X245
Pericom Semiconductor
'PI3C34X245' PDF : 5 Pages View PDF
PI3C34X245
2.5V/3.3V, High Bandwidth,
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Power Supply Characteristics
Parameters
Description
ICC
Quiescent Power Supply Current
∆ICC Supply Current per Input @ TTL HIGH
Test Conditions(1)
VIN = GND or VCC
VCC = Max.
VIN = 3.4V(3)
Min.
Typ(2)
1.0
Max.
2.0
2.5
Units
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 = 3.3V, +25°C ambient.
3. Per driven input (control input only); A and B pins do not contribute to ∆ICC.
Switching Characteristics over 3.3V Operating Range
Parameters
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Description
Propagation Delay (2,3) Ax to Bx
Bus Enable Time
BE to Ax or Bx
Bus Disable Time
BE to Ax or Bx
Conditions
CL = 50pF
RL = 500 ohms
CL = 50pF
RL = 500 ohms
R = 500 ohms
P13C34X245
Com.
Min.
Max.
0.25
1.5
6.5
1.5
5.5
Units
ns
Switching Characteristics over 2.5V Operating Range
P13C34X245
Com.
Parameters
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Description
Propagation Delay (2,3)
Ax to Bx
Bus Enable Time
BE to Ax or Bx
Bus Disable Time
BE to Ax or Bx
Conditions
CL = 50pF
RL= 500 ohms
CL = 50pF
RL= 500 ohms
R = 500 ohms
Min.
1.5
1.5
Max.
0.25
9.8
8.3
Units
ns
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 timesof 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
PS8429C 08/03/01
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