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參數(shù)資料
| 型號： | VS3V2257QX |
| 廠商： | Vaishali Semiconductor |
| 英文描述： | High-speed 3.3V CMOS VSwitch Quad 2:1 Mux/Demux |
| 中文描述： | 高速3.3V CMOS電vSwitch上四2:1復用/解復用 |
| 文件頁數(shù)： | 5/6頁 |
| 文件大?。?/td> | 60K |
| 代理商： | VS3V2257QX |
VS3V257/VS3V2257
2000-11-28
Page 5
MDSS-0001-01
www.vaishali.com
Vaishali Semiconductor 747 Camden Avenue, Suite C Campbell CA 95008 Ph. 408.377.6060 Fax 408.377.6063
Table 8. Switching Characteristics Over Operating Range – 3.3V Supply Voltage
T
A
= -40
o
C to +85
o
C, V
CC
= 3.3V + 0.3V
C
LOAD
= 30pF, R
LOAD
= 1k
unless otherwise stated.
Symbol
Description
(1)
t
PLH
, t
PHL
Data Propagation Delay
(2,3)
through the switch
VS3V257
Min
(3)
Max
VS3V2257
Min
(3)
Max
Units
ns
0.25
1.25
t
PZH
, t
PZL
Switch Turn-on Delay, S to Y
X
, I0
X
, or I1
X
0.5
5.2
0.5
6.2
ns
t
PZH
, t
PZL
Switch Turn-on Delay, /E to Y
X
, I0
X
, or I1
X
0.5
4.8
0.5
5.8
ns
t
PLZ
, t
PHZ
Switch Turn-off Delay
(3)
,
S or /E to Y
X
, I0
X
, or I1
X
0.5
5.0
0.5
5.0
ns
Table 9. Switching Characteristics Over Operating Range – 2.5V Supply Voltage
T
A
= -40
o
C to +85
o
C, V
CC
= 2.5V + 0.2V
C
LOAD
= 30pF, R
LOAD
= 1k
unless otherwise stated.
Symbol
Description
(1)
t
PLH
, t
PHL
Data Propagation Delay
(2,3)
through the switch
VS3V257
Min
(3)
Max
VS3V2257
Min
(3)
Max
Units
ns
t
PZH
, t
PZL
Switch Turn-on Delay, S to Y
X
, I0
X
, or I1
X
ns
t
PZH
, t
PZL
Switch Turn-on Delay, /E to Y
X
, I0
X
, or I1
X
ns
t
PLZ
, t
PHZ
Switch Turn-off Delay
(3)
,
S or /E to Y
X
, I0
X
, or I1
X
ns
Notes:
1. See test circuits and waveforms.
2. This parameter is the calculated theoretical RC time constant of ON-state resistance of the switch and the
specified load capacitance when driven by an ideal voltage source (zero source impedance). This time-constant is
on the order of 0.25 ns for VS3V257 and 1.25 ns for VS3V2257. Since this time-constant is much smaller than
rise/fall times of typical driving signals, it adds very little propagation delay to the system.
3. This parameter is guaranteed, but not production tested.
Figure 7. AC Test Circuit and Switching Waveforms
AC Test Circuit
3.3V Supply Voltage
Load Switch
Position
TEST
S1
t
PLH
, t
PHL
Open
t
PLZ
, t
PZL
5V
t
PHZ
, t
PZH
GND
Input Conditions
Input voltage = 0 V to 3.0 V
t
r
= t
f
= 2.5ns (10% to 90%)
Pulse
Generator
DUT
V
IN
V
OUT
C
L
1k
R
L
S
1
5 V
50
=
Coax to
Oscilloscope
50
950
R1
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| VS3V253QX | High-speed 3.3V CMOS VSwitch Dual 4:1 Mux/Demux |
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| VS3V2253Q | High-speed 3.3V CMOS VSwitch Dual 4:1 Mux/Demux |
| VS3V253 | High-speed 3.3V CMOS VSwitch Dual 4:1 Mux/Demux |
| VS3V253Q | High-speed 3.3V CMOS VSwitch Dual 4:1 Mux/Demux |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| VS3V253 | 制造商:VAISH 制造商全稱:VAISH 功能描述:High-speed 3.3V CMOS VSwitch Dual 4:1 Mux/Demux |
| VS3V253Q | 制造商:VAISH 制造商全稱:VAISH 功能描述:High-speed 3.3V CMOS VSwitch Dual 4:1 Mux/Demux |
| VS3V253QX | 制造商:VAISH 制造商全稱:VAISH 功能描述:High-speed 3.3V CMOS VSwitch Dual 4:1 Mux/Demux |
| VS3V257 | 制造商:VAISH 制造商全稱:VAISH 功能描述:High-speed 3.3V CMOS VSwitch Quad 2:1 Mux/Demux |
| VS3V257Q | 制造商:VAISH 制造商全稱:VAISH 功能描述:High-speed 3.3V CMOS VSwitch Quad 2:1 Mux/Demux |
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