PEB22554 SIEMENS [Siemens Semiconductor Group], PEB22554 Datasheet - Page 378

• Manufacturer Part Number: PEB22554
• Description: ICs for Communications
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

9.4.7
Figure 85
RCLK, RFSP Output Timing
Table 38
RCLK, RFSP Timing Parameter Values
No.
Semiconductor Group
1
2
3
4
RCLK period E1 (2.048 MHz)
RCLK period E1 (2.048 MHz x 4)
RCLK period T1 (1.544 MHz)
RCLK period T1 (1.544 MHz x 4)
RCLK pulse high
RCLK pulse low
RFSP delay
1) active edge can be programmed to be positive or negative (only negative edge timing shown here)
valid only, if RCLK is derived from DPLL (not, if RCLK is jitter attenuated)
Parameter
System Interface
RCLK (output)
RFSP
2
378
1
4
3
min.
40
40
data valid
Limit Values
typ.
488
122
648
162
RFSP
max.
PEB 22554
60
60
80
Unit
%
ns
ns
ns
ns
ns
%
09.98