DS2156
36.5 UTOPIA Transmit AC Characteristics
PARAMETER
Setup Time UT-ENB, UT-SOC,
UT-ADDRx, UT-DATAx to UT-CLK
Hold Time UT-ENB, UT-SOC,
UT-ADDRx, UT-DATAx from UT-CLK
Output Delay UT-CLAV, UT-2CLAV from
UT-CLK
UT-CLAV High-Z from UT-CLK
SYMBOL CONDITIONS MIN TYP MAX UNITS
tT5
10
ns
tT6
1
ns
td
20
ns
25
ns
36.6 UTOPIA Receive AC Characteristics
PARAMETER
Setup Time UR-ENB, UR-ADDRx to UR-
CLK
Hold Time UR-ENB, UR-ADDRx from UR-
CLK
Output Delay UR-CLAV, UR-DATAx, UR-
SOC from UR-CLK
UR-CLAV, UR-DATA, UR-SOC
High-Z from UR-CLK
SYMBOL
tT5
tT6
td
CONDITIONS MIN
10
1
TYP
MAX
20
25
UNITS
ns
ns
ns
ns
Figure 36-14. UTOPIA Interface Setup and Hold Times
CLOCK
SIGNAL
tT5
INPUT SETUP TO CLOCK
tT6
INPUT HOLD FROM CLOCK
Figure 36-15. UTOPIA Interface Delay Times
CLOCK
SIGNAL
td and tz
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