FSAV331MTC [FAIRCHILD]
Dual 4:1 Wide Bandwidth Video Switch; 双路4 ： 1宽带视频开关
| 型号： | FSAV331MTC |
| 厂家： | 
FAIRCHILD SEMICONDUCTOR |
| 描述： | Dual 4:1 Wide Bandwidth Video Switch |
| 文件： | 总6页 (文件大小：142K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
April 2004
Revised May 2004
FSAV331
Dual 4:1 Wide Bandwidth Video Switch
General Description
Features
The Fairchild video switch FSAV331 is a dual 4:1 high
speed video switch which can be configured as either mul-
tiplexer or demultiplexer. Low On Resistance allows inputs
to be connected to outputs without adding propagation
delay or generating additional ground bounce noise.
■ Wide bandwidth: 300 MHz
■ −73 dB non adjacent channel crosstalk at 10MHz
■ −56 dB Off Isolation at 10MHz
■ 3Ω typical On Resistance (RON
)
■ Low power consumption (3uA maximum)
■ Control input: TTL compatible
When the OE Pin is LOW, S0 and S1 connect the A Port to
the selected B Port output. When the OE Pin is HIGH, the
switch is OPEN and
between the two ports.
a HIGH-Impedance state exists
Applications
•
Y/C video or CVBS video switch in LCD, plasma, and
projector displays
Ordering Code:
Order Number
FSAV331QSC
FSAV331MTC
Package Number
Package Description
MQA16
MTC16
16-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150" Wide
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic Diagram
Connection Diagram
Truth Table
S1
S0
OE1
OE2
Function
Disconnect 1A
Disconnect 2A
A = B1
Pin Descriptions
X
X
L
X
X
L
H
X
L
L
L
L
X
H
L
L
L
L
Pin Name
Description
OE1, OE2
S0, S1
Bus Switch Enables
Select Inputs
Bus A
L
H
L
A = B2
H
H
A = B3
A
H
A = B4
B1, B2, B3, B4
Bus B
© 2004 Fairchild Semiconductor Corporation
DS500802
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Absolute Maximum Ratings(Note 1)
Recommended Operating
Conditions (Note 3)
Supply Voltage (VCC
)
−0.5V to +7.0V
−0.5V to VCC + 0.5V
−0.5V to +7.0V
−50 mA
DC Switch Voltage (Note 2)
DC Input Voltage (VIN) (Note 2)
DC Input Diode Current
Supply Voltage (VCC
)
4.75V to 5.25V
0V to VCC
Control Input Voltage
Switch Input Voltage
Operating Temperature
Thermal Resistance
(TSSOP)
0V to VCC
DC Output Current
128 mA
−40°C to +85°C
Storage Temperature Range (TSTG
ESD (Human Body Model)
)
−65°C to +150 °C
2000V
100°C/W
127°C/W
(QSOP)
Note 1: The Absolute Maximum Ratings are those values beyond which
the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the absolute maximum rating.
The Recommended Operating Conditions tables will define the conditions
for actual device operation.
Note 2: The input and output negative voltage ratings may be exceeded if
the input and output diode current ratings are observed.
Note 3: Unused control inputs must be held HIGH or LOW. They may not
float.
DC Electrical Characteristics All typical value are for VCC = 5V @ 25°C unless otherwise specified.
VCC
TA = −40 °C to +85 °C
Symbol
Parameter
Units
Conditions
(V)
4.75 - 5.25
4.75
Min
Typ
Max
2.0
VANALOG
VIK
Analog Signal Range
Clamp Diode Voltage
Input Voltage HIGH
Input Voltage LOW
0
V
V
−1.2
IIN = −18 mA
VIH
4.75 - 5.25
4.75 - 5.25
5.25
2.0
V
VIL
0.8
±1.0
±1.0
7.0
V
IIN
Control Input Leakage
OFF-STATE Leakage Current
Switch On Resistance
(Note 4)
µA
µA
Ω
V
IN = 0V to VCC
IOZ
5.25
0 ≤ A, B ≤ VCC
RON
4.75
3.3
5.0
V
V
V
IN = 1V, RL = 75Ω, ION = 13 mA
IN = 2V, RL = 75Ω, ION = 26 mA
IN = 0V or VCC, IOUT = 0V
4.75
10.0
3.0
Ω
ICC
Quiescent Supply Current
5.25
µA
Note 4: Measured by the voltage drop between A and B Pins at the indicated current through the switch. On Resistance is determined by the lower of the
voltages on the two (A or B Ports).
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2
AC Electrical Characteristics
VCC
TA = −40 °C to +85 °C
Figure
Symbol
Parameter
Units
ns
Conditions
(V)
Min
1.0
1.0
1.0
1.0
Typ
Max
5.3
5.3
5.8
5.5
0.1
5.0
Number
tON
Turn ON Time S-to-Bus B
4.75 to 5.25
Figures
1, 2
VI = 7V for tPZL and VI = OPEN for tPZH
VI = 7V for tPLZ and VI = OPEN for tPHZ
VI OPEN
Output Enable Time OE-to-A or B 4.75 to 5.25
Turn OFF Time S-to-Bus B 4.75 to 5.25
Output Disable Time OE-to-A or B 4.75 to 5.25
tOFF
Figures
1, 2
ns
tPLH
tPHL
DG
DP
,
Propagation Delay (Note 5)
Select-to-Bus A Delay
Differential Gain
4.75 to 5.25
4.75 to 5.25
4.75 to 5.25
4.75 to 5.25
4.75 to 5.25
Figures
1, 2
ns
0.26
0.23
%
Degree
dB
R
L = 150Ω, f = 3.58MHz
L = 150Ω, f = 3.58MHz
Differential Phase
R
OIRR
XTALK
BW
Non Adjacent OFF-Isolation
−56.0
−73.0
300
f = 10MHz, RL = 150Ω
Figure 3
Figure 4
Figure 5
Non Adjacent Channel Crosstalk 4.75 to 5.25
−3dB Bandwidth 4.75 to 5.25
dB
R
L = 150Ω, f = 10MHz
L = 150Ω
MHz
R
Note 5: This specification is guaranteed by design.
Capacitance
T
A = −40 °C to +85 °C
Symbol
CIN
Parameter
Units
Conditions
Typ
Control Pin Input Capacitance
A/B On Capacitance
3.0
pF
pF
V
V
CC = 5.0V
CC = 5.0, OE = 0V
CON
39.0
COFF
Port B OFF Capacitance
Port A OFF Capacitance
5.0
pF
pF
VCC and OE = 5.0V
13.0
3
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AC Loading and Waveforms
Note: Input driven by 50 Ω source terminated in 50 Ω
Note: CL includes load and stray capacitance
Note: Input PRR = 1.0 MHz, tW = 500 ns
FIGURE 1. AC Test Circuit
FIGURE 2. AC Waveforms
FIGURE 3. OFF Isolation Test
FIGURE 4. Crosstalk Test
FIGURE 5. Bandwidth Test
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4
Physical Dimensions inches (millimeters) unless otherwise noted
16-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150" Wide
Package Number MQA16
5
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Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Package Number MTC16
Technology Description
The Fairchild Switch family derives from and embodies Fairchild’s proven switch technology used for several years in its
74LVX3L384 (FST3384) bus switch product.
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and
Fairchild reserves the right at any time without notice to change said circuitry and specifications.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the
body, or (b) support or sustain life, and (c) whose failure
to perform when properly used in accordance with
instructions for use provided in the labeling, can be rea-
sonably expected to result in a significant injury to the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be rea-
sonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
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6
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