IDTQS33X257 데이터 시트보기 (PDF) - Integrated Device Technology
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IDTQS33X257
Integrated Device Technology
IDTQS33X257 Datasheet PDF : 5 Pages
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IDTQS33X257
HIGH-SPEED CMOS QUICKSWITCH 24:12 MUX/DEMUX
INDUSTRIAL TEMPERATURE RANGE
POWER SUPPLY CHARACTERISTICS
Symbol Parameter
Test Conditions(1)
Max.
Unit
ICCQ
Quiescent Power Supply Current
VCC = Max., VIN = GND or Vcc, f = 0
∆ICC
Power Supply Current per Control Input HIGH (2) VCC = Max., VIN = 3.4V, f = 0
ICCD
Dynamic Power Supply Current per MHz(3)
VCC = Max., I and Y pins open
9
µA
1.5
mA
0.25
mA/MHz
Control Inputs Toggling at 50% Duty Cycle
NOTES:
1. For conditions shown as Min. or Max., use the appropriate values specified under DC Electrical Characteristics.
2. Per TLL driven input (VIN = 3.4V, control inputs only). I and Y pins do not contribute to ∆Icc.
3. This current applies to the control inputs only and represents the current required to switch internal capacitance at the specified frequency. The I and Y inputs generate no significant
AC or DC currents as they transition. This parameter is guaranteed but not production tested.
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
TA = -40°C to +85°C, VCC = 5.0V ± 5%;
CLOAD = 50pF, RLOAD = 500Ω unless otherwise noted.
Symbol
tPLH
tPHL
tPZL
tPZH
tPLZ
tPHZ
tPLZ
tPHZ
Parameter
Data Propagation Delay (2,3)
Ix to Y
Switch Turn-on Delay
Sx to Y
Switch Turn-off Delay
Ex to Y
Switch Turn-off Delay (2)
Ex to Y, Sx to Y
Min. (1)
—
0.5
0.5
0.5
Typ.
Max.
Unit
0.25
—
ns
—
5.2
ns
—
4.8
ns
—
5
ns
NOTES:
1. Minimums are guaranteed but not production tested.
2. This parameter is guaranteed but not production tested.
3. The bus switch contributes no propagation 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 CL = 50pF. Since this time constant is much smaller than the rise and fall times of typical driving signals, it adds very little propagation delay to
the system. Propagation 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
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