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DS33R11 Ethernet Mapper with Integrated T1/E1/J1 Transceiver
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13.5 Transmit WAN Interface
Table 13-10. Transmit WAN Interface
(Note 1, Figure 13-6)
PARAMETER SYMBOL MIN TYP MAX UNITS
TCLKE Frequency 52 MHz
TCLKE Period t1 19.2 ns
TCLKE Low Time t2 8 ns
TCLKE High Time t3 8 ns
TCLKE to TSERO Output Delay t4 3 10 ns
TCLKE to TBSYNC Setup Time t5 3.5 ns
TBSYNC Hold Time t6 7 ns
TCLKE to TDEN Output Delay t7 3.5 ns
Note 1: Timing parameters in this table are guaranteed by design (GBD).
Figure 13-6. Transmit WAN Interface Timing
TCLKE
t2
t3
t1
TSERO
t4
TBSYNC
t5
t6
TDEN
t7