XR72L52 Datasheet, PDF (40/480 Pages) Exar Corporation – TWO CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER

XRT72L52
REV. 1.0.1
xr
TWO CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER
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
MAX. UNITS
CONDITIONS
111
ns DS3 Applications
0
ns E3, ITU-T G.832
Applications
t₂₂ TxOHIns set-up time, to falling edge of TxOHClk
194
305
0
ns ^{E3, ITU-T G.751}
Applications
ns DS3 Applications
ns E3, ITU-T G.832
Applications
17
t₂₃ TxOHIns hold time, from falling edge of TxOHClk
48
110
ns ^{E3, ITU-T G.751}
Applications
ns DS3 Applications
ns E3, ITU-T G.832
Applications
7
t₂₄
TxOH data set-up time, to falling edge of TxOHClk
194
305
ns ^{E3, ITU-T G.751}
Applications
ns DS3 Applications
ns E3, ITU-T G.832
Applications
17
t₂₅
TxOH data hold time, from falling edge of TxOHClk
48
110
ns ^{E3, ITU-T G.751}
Applications
ns DS3 Applications
ns E3, ITU-T G.832
Applications
7
Transmit Overhead Data Input Interface - Method 2 (Figure 8)
ns ^{E3, ITU-T G.751}
Applications
24