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參數(shù)資料
| 型號： | QS32245QG8 |
| 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, 8-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | GREEN, QSOP-20 |
| 文件頁數(shù)： | 4/5頁 |
| 文件大小： | 54K |
| 代理商： | QS32245QG8 |
4
INDUSTRIAL TEMPERATURE RANGE
IDTQS32245
HIGH-SPEED CMOS QUICKSWITCH 8-BIT BUS SWITCH
POWER SUPPLY CHARACTERISTICS
Symbol
Parameter
I
CCQ
Quiescent Power Supply Current
Δ
I
CC
Power Supply Current per Control Input HIGH
(2)
I
CCD
Dynamc Power Supply Current per MHz
(3)
Test Conditions
(1)
Max.
3
1.5
0.25
Unit
μ
A
mA
V
CC
= Max., V
IN
= GND or Vcc, f = 0
V
CC
= Max., V
IN
= 3.4V, f = 0
V
CC
= Max., A and B pins open
Control Inputs Toggling at 50% Duty Cycle
mA/MHz
NOTES:
1. For conditions shown as Mn. or Max., use the appropriate values specified under DC Electrical Characteristics.
2. Per TLL driven input (V
IN
= 3.4V, control inputs only). A and B pins do not contribute to
Δ
Icc.
3. This current applies to the control inputs only and represents 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 guaranteed but not production tested.
SWITCHING CHARACTERISTICS OV ER OPERATING RANGE
T
A
= -40°C to +85°C, V
CC
= 5.0V ± 5%;
C
LOAD
= 50pF, R
LOAD
= 500
Ω
unless otherwise noted.
Symbol
t
PLH
t
PHL
t
PZL
t
PZH
t
PLZ
t
PHZ
Parameter
Mn.
(1)
—
Typ.
—
Max.
1.25
Unit
Data Propagation Delay
(2,3)
An to/fromBn
Switch Turn-on Delay
OE
to An/Bn
Switch Turn-off Delay
(2)
OE
to An/Bn
ns
0.5
—
6.6
ns
0.5
—
4.5
ns
NOTES:
1.
Mnimums 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 1.25ns for C
L
= 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 determned 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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| QS32245QX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Bus Switch |
| QS32245SO | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Bus Switch |
| QS32245SOX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Bus Switch |
| QS32253Q | 制造商:Integrated Device Technology Inc 功能描述: 制造商:QSI 功能描述: |
| QS32253S1 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Input Digital Multiplexer |
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