FSAV331

FSAV331 Dual Channel 4:1 Video Switch

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FSAV331 Dual Channel 4:1 Video Switch

April 2004 Revised August 2005

FSAV331 Dual Channel 4:1 Video Switch
General Description
The Fairchild video switch FSAV331 is a dual 4:1 high speed video switch which can be configured as either multiplexer or demultiplexer. Low On Resistance allows inputs to be connected to outputs without adding propagation delay or generating additional ground bounce noise. 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 a HIGH-Impedance state exists between the two ports.

Features O Wide bandwidth: 300 MHz O 73 dB non adjacent channel crosstalk at 10MHz O 56 dB Off Isolation at 10MHz O 3: typical On Resistance (RON) O Low power consumption (3uA maximum) O Control input: TTL compatible Applications O Y/C video or CVBS video switch in LCD, plasma,
and projector displays

Ordering Code:
Order Number Package Number
FSAV331QSC FSAV331MTC MQA16A MTC16

Package Description
16-Lead Quarter Size Small 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 Pin Descriptions
Pin Name
OE1, OE2 S0, S1 A B1, B2, B3, B4

S1
X

S0
X X L H L H

OE1 OE2
H X L L L L X H L L L L

Function
Disconnect 1A Disconnect 2A A B1 A B2 A B3 A B4

Description
Bus Switch Enables Select Inputs Bus A Bus B

X L L H H

2005 Fairchild Semiconductor Corporation

DS500802