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参数资料
| 型号： | QS3126S1 |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | Bus Driver/Transceiver |
| 英文描述： | 3126 SERIES, QUAD 1-BIT DRIVER, TRUE OUTPUT, PDSO14 |
| 封装： | SOIC-14 |
| 文件页数： | 4/5页 |
| 文件大小： | 211K |
| 代理商： | QS3126S1 |
4
INDUSTRIALTEMPERATURERANGE
IDTQS3126
HIGH-SPEED CMOS QUADRUPLE BUS SWITCH WITH INDIVIDUAL ACTIVE
NOTES:
1. For conditions shown as Min. or Max., use the appropriate values specified under DC Electrical Characteristics.
2. Per TTL-driven input (VIN = 3.4V, control inputs only). A and Y 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 and Y inputs generate no significant
AC or DC currents as they transition. This parameter is guaranteed but not production tested.
POWER SUPPLY CHARACTERISTICS
Symbol
Parameter
Test Conditions(1)
Max.
Unit
ICCQ
Quiescent Power Supply Current
VCC = Max., VIN = GND or VCC, f = 0
3
A
ΔICC
Power Supply Current per Input HIGH(2)
VCC = Max., VIN = 3.4V, f = 0
1.25
mA
ICCD
Dynamic Power Supply Current per MHz (3)
VCC = Max., A and Y Pins Open, Control Inputs Toggling @ 50% Duty Cycle
0.25
mA/MHz
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
TA = -40°C to +85°C, VCC = 5V ± 5%
CLOAD = 50pF, RLOAD = 500
Ω unless otherwise noted.
Symbol
Parameter
Min. (1)
Typ.
Max.
Unit
tPLH
DataPropagationDelay(2)
0.25(3)
ns
tPHL
A to Y
tPZL
Switch Turn-On Delay
1.5
6.5
ns
tPZH
OE to xA/xY
tPLZ
Switch Turn-Off Delay(2)
1.5
5.5
ns
tPHZ
OE to xA/xY
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 at 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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