pef2256e Infineon Technologies Corporation, pef2256e Datasheet - Page 480

• Manufacturer Part Number: pef2256e
• Description: E1/t1/j1 Framer And Line Interface Component For Long- And Short-haul Applications
• Manufacturer: Infineon Technologies Corporation

11.4.6
Figure 96
Table 84
Parameter
RCLK period E1
RCLK period E1
RCLK period T1/J1
RCLK period T1/J1
RCLK pulse high
RCLK pulse low
RFSP delay
Note: The active edge can be programmed to be positive (rising) or negative (falling).
User’s Manual
Hardware Description
Only negative edge timing is shown in
is derived from DPLL and not, if RCLK is jitter attenuated.
System Interface
RCLK and RFSP Output Timing
RCLK and RFSP
Symbol
1
2
3
4
Min.
–
–
–
–
40
40
–
480
Figure
Typ.
488
122
648
162
–
–
–
Values
96. This timing is valid only, if RCLK
Max.
–
–
–
–
60
60
80
Electrical Characteristics
ns
ns
Unit Note/Test
ns
ns
%
%
ns
Condition
2.048 MHz
2.048 MHz × 4
1.544 MHz
1.544 MHz × 4
DS1.1, 2003-10-23
PEF 2256 H/E
FALC
®
56