MAX3816ACUE+T Maxim Integrated Products, MAX3816ACUE+T Datasheet - Page 14

• Manufacturer Part Number: MAX3816ACUE+T
• Description: IC I2C 2WIRE EXTENDER 16-TSSOP
• Manufacturer: Maxim Integrated Products
• Type: DDC (Digital Down Converter) Extenderr

Specifications of MAX3816ACUE+T

• Applications: HD Displays, DVI/HDMI
• Mounting Type: Surface Mount
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

I
HDMI, and VGA Interfaces
• Long cable reach.
• In parallel mode, the MAX3816A is very tolerant of
• The MAX3816A can be turned off and bypassed if
• In parallel mode, the MAX3816A can be used simul-
• The MAX3816A acts as a buffer between source and
Figure 7. External to Display, Switchable Series and Parallel Mode
14
2
noncompliant DDC sources and sinks.
another MAX3816A or speed-up device is being
used on the same DDC.
taneously with other I
display. Hence, source reflections are isolated to the
MAX3816A External to Display, Switchable Series
C 2-Wire Extender for DDC in DVI,
______________________________________________________________________________________
FROM SOURCE
LONG CABLE
and Parallel Mode Advantages (See Figure 7)
47kΩ
47kΩ
+5V
2
C speed-up devices.
PAR
ENA
BYP
SER
SERIES MODE:
PARALLEL MODE: DRVR_EN = HI (ENA), MODE = HI (PAR)
BYPASS MODE:
ISOLATE MODE:
+5V
DRVR_EN
CLK_C
DATA_C
DRVR_EN = HI (ENA), MODE = LO (SER)
DRVR_EN = LO (BYP), MODE = HI (PAR)
DRVR_EN = LO (BYP), MODE = LO (SER)
MAX3816A
DATA_D
CLK_D
MODE
• In series mode, the MAX3816A can be turned off
Use a good quality CMOS switch with low resistance
(< 20Ω) and over/undervoltage tolerance.
source side of the MAX3816A, protecting display
circuits from possible double clocking due to stair-
step waveforms caused by very long cables with
reflections.
(DRVR_EN asserted low) to isolate between source
and display buses. The display bus can then oper-
ate independently of source-cable loading or mal-
functions.
1
+5V
0
3.3kΩ
MAX4719
1
Consideration
CONNECTOR
TO DISPLAY
+5V
0
3.3kΩ