PEB2045-N SIEMENS [Siemens Semiconductor Group], PEB2045-N Datasheet - Page 51
![no-image](/images/no-image-200.jpg)
PEB2045-N
Manufacturer Part Number
PEB2045-N
Description
Memory Time Switch CMOS (MTSC)
Manufacturer
SIEMENS [Siemens Semiconductor Group]
Datasheet
1.PEB2045-N.pdf
(53 pages)
- Current page: 51 of 53
- Download datasheet (486Kb)
Fdel =
Busy Times
Operation
Indirect register access
Connection memory reset
6
Calculation of Switching Delay for PEB 2045
8-MHz Clock Cycle (
Output Line / PCM Mode (Mbit/s)
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
Formula for determining the frame delay:
Fdel
Cdel
TSout = Time-slot number out
TSin
TSdur = Time-slot duration = 32
With the above you should be able to calculate the frame delays for all switching possibilities.
Semiconductor Group
Applications
= Frame delay (e.g. Fdel = 1.5 means 1 frame delay and
= Component delay
= Time-slot number in
C del – (TS out – TS in) TS dur + 1024
Fdel = 0.8 means 0 frame delay)
2
0
1
2
3
4
5
6
7
t
CL
1024
4
0
1
2
3
= 122 ns)
= 16
=
8
=
8
0
1
t
t
t
CL
CL
CL
at 2 Mbit/s
at 4 Mbit/s
at 8 Mbit/s
C min – ( SP – 2)
Even Input Line
64
60
56
52
48
44
40
36
clock cycles
C min
t
t
t
t
t
t
t
t
CL
CL
CL
CL
CL
CL
CL
CL
Max. Value
900
250
51
N = 0
N = 2
Odd Input Line
80
76
72
68
64
60
56
52
Unit
ns
C min
SP = 10
t
t
t
t
t
t
t
t
s
CL
CL
CL
CL
CL
CL
CL
CL
PEB 2045
PEF 2045
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