PEB 2091
PEF 2091
Electrical Characteristics
IEC-Q
Frame Adapt
DCL
U
R
IOM
FSC
FSC*
%
%
%
IOM R -Frame
IOM R -Frame
U-Frame
Clock
Generation
CLS
512 kHz
15.36 - MHz XTAL Master Clock
ITD04265
Figure 122 Clock Requirements in NT-PBX
8.7.7
Timing Properties of CLS
Note 84: In case the period of signals is stated the time reference will be at 1.4 V;
in all other cases 0.8 V (low) and 2.0 V (high) thresholds are used as
reference.
tF
tR
tH
tL
2.2 V
0.5 V
Figure 123 Dynamic Characteristics of CLS1)
1) Applies only with a crystal which has the properties given in "Oscillator Circuit and Crystal", page 252
Semiconductor Group
284
Data Sheet 01.99