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參數(shù)資料
| 型號(hào)： | IDTQS32XL383Q18 |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | CBT/FST/QS/5C/B SERIES, DUAL 10-BIT EXCHANGER, TRUE OUTPUT, PDSO48 |
| 封裝： | QVSOP-48 |
| 文件頁(yè)數(shù)： | 4/5頁(yè) |
| 文件大小： | 57K |
| 代理商： | IDTQS32XL383Q18 |
4
INDUSTRIALTEMPERATURERANGE
IDTQS32XL383
HIGH-SPEED LOW POWER 20-BIT BUS EXCHANGE SWITCH
POWER SUPPLY CHARACTERISTICS
Symbol
Parameter
Test Conditions(1)
Max.
Unit
ICCQ
Quiescent Power Supply Current
VCC = Max., VIN = GND or Vcc, f = 0
6
μA
ΔICC
Power Supply Current per Control Input HIGH (2)
VCC = Max., VIN = 3.4V, f = 0
2.5
mA
ICCD
Dynamic Power Supply Current per MHz(3)
VCC = Max., A - D 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). A - D pins do not contribute to
ΔIcc.
3. This current applies to the control inputs only and represents the current required to switch internal capacitance at the specified frequency. The A - D 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
Ω unless otherwise noted.
Symbol
Parameter
Min.(1)
Typ.
Max.
Unit
tPLH
DataPropagationDelay(2,3)
—
0.25
ns
tPHL
AxBx to CxDx, CxDx to AxBx
tPZL
Switch Turn-on Delay
1.5
—
6.5
ns
tPZH
BE to Ax, Bx, Cx, Dx
tPLZ
Switch Turn-off Delay (2)
1.5
—
5.5
ns
tPHZ
BE to Ax, Bx, Cx, Dx
tBX
Switch Multiplex Delay (2)
1.5
—
6.5
ns
BX to Ax, Bx, Cx, Dx
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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