19-1056; Rev 0; 11/07
DVI/HDMI 2:4 Low-Frequency Fanout Switch
MAX814E
General Description
Features
The MAX4814E high-definition multimedia interface
(HDMI™) switch provides routing for low-frequency sig-
nals. The MAX4814E operates from a single +5.0V
10ꢀ supply voltage and is ideal for connecting multi-
ple HDMI sources to multiple loads.
o +5V/Drain Switched
o HPD (Hot-Plug Detect) Switching
o DDC (Display Data Channel) Switching
2
o Direct Entry or I C Control
o Low 1µA Quiescent Current
The MAX4814E is a bidirectional 2:4 HDMI switch. Each
switch consists of five single-pole/single-throw (SPST)
channels. Two channels have a low 3Ω (typ) on-resis-
tance to route +5V and drain (ground return), and three
channels to route data. The device features a mode
o ±±6V Huꢀan ꢁody ꢂodel (Hꢁꢂ) ESD Protection
on Switch I/Os
o Coꢀpanion IC to the ꢂAX3845
2
o Provides I C Control for the ꢂAX3845
o Coꢀpact ±4-Pin, 10ꢀꢀ x 10ꢀꢀ TQFP Pac6age
o Optiꢀized Layout to Support 4:4 or 2:8
2
input to control the device through an I C interface or
direct-control logic inputs.
Configuration with Two Devices
The MAX4814E is available in a 64-pin (10mm x 10mm)
TQFP package and operates over the -40°C to +85°C
extended temperature range.
Ordering Information
Applications
Commercial/Industrial HDMI/DVI™ (Digital Visual
Interface) Switch Boxes
PIN-
PKG
CODE
PART
TEꢂP RANGE
PACKAGE
MAX4814EECB+ -40°C to +85°C 64 TQFP-EP* C64E-10
High-End Consumer Switchers
AV Receivers with Switching
+Denotes a lead-free package.
*EP = Exposed paddle.
HDMI is a trademark of HDMI Licensing, LLC.
DVI is a trademark of Digital Display Working Group.
Pin Configuration appears at end of data sheet.
Typical I2C Operating Circuit
4.5V TO 5.5V
0.1μF
MODE
5
V
DVI/HDMI 1
OR
DVI/HDMI 2
DD
5
5
5
5
DVI/HDMI 1
DVI/HDMI 2
SW0
SW1
SW2
SW3
A
5
B
DVI/HDMI 1
OR
DVI/HDMI 2
V
DD
DVI/HDMI 1
OR
DVI/HDMI 2
MAX4814E
SCL
SDA
μCONTROLLER
DVI/HDMI 1
OR
DVI/HDMI 2
AD2
AD1
AD0
4
ADDRESS SELECTION*
DO
MAX3845
EFN
GND
0.1μF
*SEE DEVICE ADDRESS SECTION.
________________________________________________________________ ꢂaxiꢀ Integrated Products
1
For pricing delivery, and ordering inforꢀation please contact ꢂaxiꢀ Direct at 1-888-±29-4±42,
or visit ꢂaxiꢀ’s website at www.ꢀaxiꢀ-ic.coꢀ.