XRT72L50 Datasheet, PDF (35/471 Pages) Exar Corporation – SINGLE CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER

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XRT72L50
SINGLE CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER
REV. 1.2.1
AC ELECTRICAL CHARACTERISTICS (CONT.)
Test Conditions: TA = 25°C, VDD = 3.3V + 5% unless otherwise specified
SYMBOL
PARAMETER
MIN. TYP.
Transmit Overhead Input Interface Timing - Method 1 (Figure 7)
t₂₁ TxOHClk to TxOHFrame output delay
t₂₂ TxOHIns set-up time, to falling edge of TxOHClk
194
305
17
t₂₃ TxOHIns hold time, from falling edge of TxOHClk
48
110
7
t₂₄
TxOH data set-up time, to falling edge of TxOHClk
194
305
17
t₂₅
TxOH data hold time, from falling edge of TxOHClk
48
110
7
Transmit Overhead Data Input Interface - Method 2 (Figure 8)
t₂₆ TXOHIns to TxInClk (rising edge) set-up Time
254
72
15
MAX. UNITS
CONDITIONS
111
ns DS3 Applications
0
ns E3, ITU-T G.832
Applications
0
ns E3, ITU-T G.751
Applications
ns DS3 Applications
ns E3, ITU-T G.832
Applications
ns E3, ITU-T G.751
Applications
ns DS3 Applications
ns E3, ITU-T G.832
Applications
ns E3, ITU-T G.751
Applications
ns DS3 Applications
ns E3, ITU-T G.832
Applications
ns E3, ITU-T G.751
Applications
ns DS3 Applications
ns E3, ITU-T G.832
Applications
ns E3, ITU-T G.751
Applications
ns DS3 Applications
ns E3, ITU-T G.832
Applications
ns E3, ITU-T G.751
Applications
22