DS33R11 Ethernet Mapper with Integrated T1/E1/J1 Transceiver
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13.6 Receive WAN Interface
Table 13-11. Receive WAN Interface
(Note 1, Figure 13-7)
PARAMETER SYMBOL MIN TYP MAX UNITS
RCLKI Frequency
52 MHz
RCLKI Period t1 19.2 ns
RCLKI Low Time t2 8 ns
RCLKI High Time t3 8 ns
RSERI Setup Time t4 7 ns
RDEN Setup Time t4 7 ns
RBSYNC Setup Time t4 7 ns
RDEN Setup Time t4 7 ns
RBSYNC Setup Time t4 7 ns
RSERI Hold Time t5 2 ns
RBSYNC Hold Time t5 2 ns
RDEN Hold Time t5 2 ns
RBSYNC Hold Time t5 2 ns
Note 1: Timing parameters in this table are guaranteed by design (GBD).
Figure 13-7. Receive WAN Interface Timing
RCLKI
t2
t3
t1
RSERI
RDEN
t4 t5
t4
t5
RBSYNC
t4
t5