PI3B162212 Ver la hoja de datos (PDF) - Pericom Semiconductor
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PI3B162212 Datasheet PDF : 4 Pages
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PI3B16212
PI3B162212
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Power Supply Characteristics
Parameters
Description
Test Conditions(1)
ICC
Quiescent Power
Supply Current
VCC = Max.
∆ICC
Supply Current
VCC = Max.
per Input @ TTL HIGH
ICCD
Supply Current
VCC = Max., VIN = 3V,
per Input per MHz(4) A & B Pins Open
Control Input Toggling, 50% Duty Cycle
VIN = GND
or VCC
VIN = 3.0V(3)
Min. Typ(2) Max.
10
750
0.25
Units
µA
mA/
MHz
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for applicable device.
2. Typical values are at VCC = 3.3V, +25°C ambient.
3. This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND.
4. Per TTL driven input (control inputs only); A and B pins do not contribute to ICC.
5. 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.
PI3B16212 Switching Characteristics over Operating Range
Parameters
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Description
Propagation Delay(2,3)
Ax to Bx, Bx to Ax
Bus Enable Time
BE to Ax or Bx
Bus Disable Time
BE to Ax or Bx
Conditions(1)
CL = 50pF,
RL = 500 ohms
CL = 50pF,
RL = 500 ohms
R = 500 ohms
16212
162212
PI3B16212
Com.
Max. Min.
0.25
1.25
1
4.5
1
5.0
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 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.
3
PS8180A 08/21/01
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