Preliminary Information
MH89770
AC Electrical Characteristics† - DS1 Link Timing (Figures 26 and 27)
‡
Characteristics
Sym
Min
Typ
Max
Units
Test Conditions
1
2
Transmit Steering Delay
E1.5o Clock Period
tTSD
tPEC
tWEC
tRDS
50
150
ns
ns
150pF Load
648
324
50
3
4
5
6
7
8
9
E1.5o Clock Width High or Low
Receive Data Setup Time
Receive Data Hold Time
Receive Data Pulse Width
Receive Data Fall Time
Receive Data Rise Time
C1.5i Period
ns
ns
ns
ns
ns
ns
ns
ns
tRDH
50
tRDW
tRDF
324
20
tRDR
tPC1.5
tWC1.5
20
500
250
648
324
800
10 C1.5i Pulse Width High or Low
† Timing is over recommended operating temperature and power supply voltage ranges.
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
Transmitted DS1 Link
Bit Cells
Bit Cell
t
PC1.5
V
V
IH
IL
C1.5i
t
WC1.5
t
t
TSD
TSD
V
V
OUTA
or
OUTB
OH
OL
Figure 26 - Transmit Timing for DS1 Link
Received DS1 Link
Bit Cells
Bit Cell
t
PEC
t
WEC
t
WEC
V
V
OH
E1.5o
OL
t
t
RDS
RDH
V
V
OH
RxA
or
RxB
OL
t
RDW
t
t
RDF
RDR
Figure 27 - Receive Timing for DS1 Link
4-155
MITEL [ MITEL NETWORKS CORPORATION ]
