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Partno	Mfg	Dc	Qty	Available	Descript
STMAV335TTR	STM	N/a	190	avai	Low ON resistance triple, SP3T, wide-bandwidth video switch

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STMAV335TTR
Low ON resistance triple, SP3T, wide-bandwidth video switch
January 2006 1/21
Rev. 1
STMAV335
Low ON Resistance Triple, SP3T, Wide-Bandwidth Video Switch
Features Bi-directional operation 3x3 input/3output channels analog video
switch Wide bandwidth 300MHz Low 4Ω switch resistance between two ports Excellent RON matching between channels Minimal propagation delay through the switch Low quiescent current consumption VCC Operating Range: 4.0V to 5.5V Zero bounce in flow-through mode Control inputs compatible with TTL level Data and control inputs provide the undershoot
clamp diode High ESD rating: > 2kV HBM –40°C to 85°C operating temperature range Suitable for both RGB and Component-Video
Switching Available in a small TSSOP16 package
Applications Advanced TVs Front projectors LCD Monitors Notebook PCs DVD Players
Description
The STMAV335 is a bi-directional triple (3
channel) Single Pole/Triple Throw (SP3T) high-
speed, low-power CMOS TTL-compatible analog
video switch designed for advanced video
applications which demand superior image
quality. The low ON Resistance (RON ) of the
switch allows inputs to be connected to outputs
without adding propagation delay or generating
additional ground bounce noise.
STMAV335 is designed for very low cross-talk,
low bit-to-bit skew, high channel-to-channel noise
isolation and low I/O capacitance. The switch
offers very little or practically no attenuation of the
high-speed signals at the outputs, thus preserving
the signal integrity to pass stringent requirements.
Moreover the device reduces the overall BOM
costs by eliminating the need for more costly multi
input-output controllers.
Order Codes
STMAV3352/21
Contents Summary Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Application Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.1 Power Supply Sequencing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 AC Loading and Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Test Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Package Mechanical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
STMAV335 1 Summary Description
3/21
1 Summary Description
1.1 Functional Description
The STMAV335 is a high bandwidth analog video switch. Its low ON-resistance and low I/O
capacitance result in a very small propagation delay.
The combination of SEL1 and SEL2 is used to either disable or enable the desired video
channel. Refer to the truth table for the selection of the appropriate channels.
Figure 1. Functional Diagram
2 Pin Configuration STMAV335
4/21
2 Pin Configuration
Table 1. Pin Description
Table 2. Truth Table
Figure 2. Pin Configuration (Top View )
STMAV335 3 Application Diagrams
5/21
3 Application Diagrams
3.1 Power Supply Sequencing
Proper power-supply sequencing is advised for all CMOS devices. It is recommended to
always apply VCC before applying any signals to the input/output or control pins.
Figure 3. STMAV335 used in LCD TV as a 3-to-1 analog video switch
Figure 4. STMAV335 used in PC as a 1-to-3 analog video switch