PI5C162292 Просмотр технического описания (PDF) - Pericom Semiconductor
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PI5C162292 Datasheet PDF : 4 Pages
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PI5C16292/162292
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Power Supply Characteristics
Parameters
Description
Test Conditions(1) Min.
Typ(2) Max.
ICC
∆ICC(3)
Quiescent Power
Supply Current
Supply Current for
S0 @ TTL HIGH
VCC = MAX.
VCC = MAX.
VIN = GND or VCC
— 0.1
VIN = 3.4 V(4)
——
Other Inputs at VCC OR GND
ICCD
Supply Current for
S0 per MHz(5)
VCC = Max.,
A and B Pins Open
Toggling 50% Duty Cycle
——
Units
3.0
2.5
0.75
µA
mA
mA/
MHz
Notes:
1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for applicable device.
2. Typical values are at VCC = 5.0V, +25°C ambient.
3. This is the increase in supply current for S0 at the specified TTL voltage level rather than VCC or GND.
4. Per TTL driven input (VIN = 3.4V, S0 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.
PI5C16292 Switching Characteristics over Operating Range
Parameters Description
Conditions(1)
PI5C16292
Com.
Min
Max
tPLH
Propagation Delay(2,3)
—
0.25
tPHL
tPZH
tPZL
tPHZ
xA1 to xBx, xBx to xA1
Bus Enable time
CL = 50pF
1.5
S to xA1 or xBx
Bus Disable time
RL = 500Ω
R = 500Ω to 7V(4)
1.5
6.5
7
tPLZ
S to xA1 or xBx
1.5
8
tM
Make-before-break time(2)
0
2
Units
ns
ns
ns
ns
PI5C162292 Switching Characteristics over Operating Range
Parameters
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tM
Description
Conditions(1)
Propagation Delay(2,3)
xA1 to xBx, xBx to xA1
Bus Enable Time
S to xA1 or xBx
Bus Disable Time
CL = 50pF
RL = 500Ω
R = 500Ω to 7V(4)
S to xA1 or xBx
Make-before-break time(2)
PI5C162292
Com.
Min
Max
—
1.25
1.5
6.5
1.5
7
1.5
8
0
2
Units
ns
ns
ns
ns
Notes:
1. See test circuit and waveforms.
2. This parameter is guaranteed but not tested.
3. The bus switch contributes no propagational delay other than the RC delay of the ON resistance of the switch and 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 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.
4. Applies to tPLZ and tPZL.
3
PS8139C 01/11/00
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