PRELIMINARY INFORMATION, COMPANY CONFIDENTIAL
PI3V713
3.3V, 7-Channel Analog Video Switch
with Automatic Switching
Features
Description
•ꢀ DesignedꢀspecificallyꢀtoꢀswitchꢀVGAꢀsignals
•ꢀ 7-ChannelsꢀforꢀVGAꢀsignalsꢀ(R,G,B,ꢀHsync,ꢀVsync,ꢀDDCꢀ
Data,ꢀandꢀDDCꢀCLK)
Pericom’sꢀ PI3V713ꢀ isꢀ aꢀ 7-channelꢀ videoꢀ mux/demuxꢀ usedꢀ
toꢀ switchꢀ betweenꢀ multipleꢀ VGAꢀ sourcesꢀ orꢀ endꢀ points.ꢀ ꢀ Inꢀ aꢀ
notebookꢀapplicationꢀwhereꢀanalogꢀvideoꢀsignalsꢀareꢀfoundꢀinꢀbothꢀ
theꢀnotebookꢀandꢀtheꢀdock,ꢀaꢀswitchꢀsolutionꢀisꢀrequiredꢀtoꢀswitchꢀ
betweenꢀtheꢀtwoꢀvideoꢀportꢀlocations.ꢀWithꢀtheꢀhighꢀbandwidthꢀ
ofꢀꢀ~1.7GHz,ꢀtheꢀsignalꢀintegrityꢀwillꢀremainꢀstrongꢀevenꢀthroughꢀ
theꢀlongꢀFR4ꢀtraceꢀbetweenꢀtheꢀnotebookꢀandꢀtheꢀdockingꢀstation.ꢀ
Inꢀadditionꢀtoꢀhighꢀsignalꢀperformance,ꢀtheꢀvideoꢀsignalsꢀareꢀalsoꢀ
•ꢀ Automaticꢀorꢀmanualꢀswitchingꢀsupported
ꢀ
–Forcesꢀre-readꢀofꢀEDIDꢀwhenꢀautomaticallyꢀswitching
•ꢀ V ꢀ=ꢀ3.3Vꢀ+/-10%
DD
•ꢀ DDCꢀpathꢀwillꢀoperateꢀasꢀaꢀ5Vꢀtoꢀ3.3Vꢀlevelꢀshifterꢀ
•ꢀ H/Vꢀoutputꢀbufferꢀwithꢀ+/-24mAꢀdrive
•ꢀ ESDꢀtoleranceꢀonꢀvideoꢀI/Oꢀpinsꢀisꢀupꢀtoꢀ12kVꢀHBMꢀperꢀ
JEDECꢀstandard
protectedꢀagainstꢀhighꢀESDꢀwithꢀintegratedꢀdiodesꢀtoꢀV ꢀandꢀ
DD
GNDꢀthatꢀwillꢀsupportꢀupꢀto12kVꢀHBMꢀESDꢀprotection.
Application
•ꢀ -3dBꢀBWꢀofꢀ1.7GHzꢀ(typ)ꢀ
RoutingꢀVGAꢀsignalsꢀwithꢀlowꢀsignalꢀattenuationꢀandꢀhighꢀESD.
•ꢀ LowꢀXtalk,ꢀ(-38dBꢀtyp)
•ꢀ LowꢀandꢀFlatꢀON-STATEꢀresistanceꢀ(R ꢀ=ꢀ4.8-Ohm,ꢀ
on
R (Flat)ꢀ=ꢀ0.5ohm,ꢀtyp)
on
•ꢀ Lowꢀinput/outputꢀcapacitanceꢀ(Conꢀ=ꢀ5.6pF,ꢀtyp)
•ꢀ Packagingꢀ(Pb-freeꢀandꢀGreen):ꢀ
ꢀ
–32-contactꢀTQFNꢀ(ZLE)ꢀ
Applications
•ꢀ Routesꢀphysicalꢀlayerꢀsignalsꢀforꢀhighꢀbandwidthꢀdigitalꢀvideo
•ꢀ Monitorꢀdetectionꢀsupportsꢀautomaticꢀswitching
Block Diagram
Pin Diagram
R
R1
G1
B1
G
B
R2
G2
B2
32 31 30 29 28
1
2
27
26
25
24
23
22
21
20
19
18
17
R
G
R1
R2
+5V
3
GND
G1
G2
VDD
B1
H_SOURCE
V_SOURCE
H1_OUT
V1_OUT
4
Dual
Buffer
VDD
B
5
6
GND
H_SOURCE
V_SOURCE
7
B2
H2_OUT
V2_OUT
8
Dual
Buffer
MS
SDA_SOURCE
SCL_SOURCE
GND
H1_OUT
H2_OUT
V1_OUT
V2_OUT
9
10
11
Control
Logic
Priority/SEL
12 13 14 15 16
SDA1
SCL1
SDA2
SCL2
SDA_SOURCE
SCL_SOURCE
5V to 3.3V
Level Shifter
10-0168
PS9095
05/12/10
1