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Pin Name
Pin #
I/O, Type
Description
DOUT-
16
I/O, LVDS
Inverting Output
The output must be AC-coupled with a 0.1µF capacitor.
CMF
20
Analog
Common Mode Filter.
Connect 0.1µF to GND (required)
Power* and Ground
VDD33_A
VDD33_B
19
26
Power
Power to on-chip regulator 3.0 V - 3.6 V. Each pin requires a 4.7µF capacitor to GND
VDDIO
7, 24
Power
LVCMOS I/O Power 1.8 V ±5% OR 3.0 V - 3.6 V. Each pin requires 4.7µF capacitor to
GND
GND
DAP
Ground
Large metal contact at the bottom center of the device package Connect to the ground
plane (GND) with at least 9 vias.
Regulator Capacitor
CAPP12
CAPHS12
CAPLVD12
12
14
28
CAP
Decoupling capacitor connection for on-chip regulator
Each requires a 4.7µF decoupling capacitor to GND.
CAPL12
8
CAP
Decoupling capacitor connection for on-chip regulator
Requires two 4.7µF decoupling capacitors to GND
Other
RES[1:0]
15, 13
GND
Reserved
Connect to GND.
* The V
DD
(V
DD33
and V
DDIO
) supply ramp should be faster than 1.5 ms with a monotonic rise.
DS90UH927Q
4
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