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參數(shù)資料
| 型號(hào)： | IDTQS33X257Q18 |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | DUAL 12-BIT EXCHANGER, TRUE OUTPUT, PDSO48 |
| 封裝： | QVSOP-48 |
| 文件頁數(shù)： | 4/5頁 |
| 文件大?。?/td> | 51K |
| 代理商： | IDTQS33X257Q18 |
4
INDUSTRIALTEMPERATURERANGE
IDTQS33X257
HIGH-SPEED CMOS QUICKSWITCH 24:12 MUX/DEMUX
POWER SUPPLY CHARACTERISTICS
Symbol
Parameter
TestConditions(1)
Max.
Unit
ICCQ
Quiescent Power Supply Current
VCC = Max., VIN = GND or Vcc, f = 0
9
A
ICC
Power Supply Current per Control Input HIGH (2)
VCC = Max., VIN = 3.4V, f = 0
1.5
mA
ICCD
Dynamic Power Supply Current per MHz(3)
VCC = Max., I and Y pins open
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 = 500
unless otherwise noted.
Symbol
Parameter
Min.(1)
Typ.
Max.
Unit
tPLH
DataPropagationDelay(2,3)
—
0.25
—
ns
tPHL
Ix to Y
tPZL
SwitchTurn-onDelay
0.5
—
5.2
ns
tPZH
Sx to Y
tPLZ
SwitchTurn-offDelay
0.5
—
4.8
ns
tPHZ
Ex to Y
tPLZ
SwitchTurn-offDelay(2)
0.5
—
5
ns
tPHZ
Ex to Y, Sx to Y
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.
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