DS2156 Просмотр технического описания (PDF) - Dallas Semiconductor -> Maxim Integrated

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DS2156

T1/E1/J1 Single-Chip Transceiver TDM/UTOPIA II Interface

Dallas Semiconductor -> Maxim Integrated 

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 TYP

10

1

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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