Datasheet

AD9512
Rev. A | Page 13 of 48
FUNCTION PIN
Table 7.
Parameter Min Typ Max Unit Test Conditions/Comments
INPUT CHARACTERISTICS
The FUNCTION pin has a 30 kΩ internal pull-down resistor.
This pin should normally be held high. Do not leave NC.
Logic 1 Voltage 2.0 V
Logic 0 Voltage 0.8 V
Logic 1 Current 110 µA
Logic 0 Current 1 µA
Capacitance 2 pF
RESET TIMING
Pulse Width Low 50 ns
SYNC TIMING
Pulse Width Low 1.5 High speed clock cycles
High speed clock is CLK1 or CLK2, whichever is being used
for distribution.
SYNC STATUS PIN
Table 8.
Parameter Min Typ Max Unit Test Conditions/Comments
OUTPUT CHARACTERISTICS
Output Voltage High (V
OH
) 2.7 V
Output Voltage Low (V
OL
) 0.4 V