mh89760b Mitel, mh89760b Datasheet - Page 29

• Manufacturer Part Number: mh89760b
• Description: St-bus? Family T1/esf Framer & Interface
• Manufacturer: Mitel

AC Electrical Characteristics
Preliminary Information
AC Electrical Characteristics
† Timing is over recommended temperature & power supply voltage ranges.
‡ Typical figures are at 25°C and are for design aid only; not guaranteed and not subject to production testing.
† Timing is over recommended temperature & power supply voltage ranges.
‡ Typical figures are at 25 C and are for design aid only; not guaranteed and not subject to production testing.
C2i
DSTo
or CSTo
DSTi,
CSTi0/CSTi1
1
2
3
1
2
3
4
DS1 BIT CELLS FOR
RECEPTION
E1.5o
E1.50 Clock Period
E1.5o Clock Width High or Low
E1.5o Clock Rise Time
E1.5o Clock Fall Time
Serial Output Delay
Serial Input Setup Time
Serial Input Hold Time
V
V
OH
OL
Characteristics
Characteristics
V
V
V
V
V
V
OH
OL
IH
IL
IH
IL
t
SOD
†
†
t
Figure 21 - DS1 Receive Clock Timing
P1EC
- 2048 kbit/s ST-BUS Streams (Figure 22)
- Timing For DS1 Link Bit Cells (Figure 21)
Figure 22 - ST-BUS Stream Timing
BIT CELL
Sym
Sym
t
t
t
t
t
WEC
t
t
SOD
PEC
REC
FEC
SIS
SIH
t
SIS
Min
Min
t
15
50
R1EC
Bit Cell Boundaries
Typ
Typ
648
324
60
20
‡
‡
t
SIH
Max
Max
125
t
W1EC
t
R1EC
Units
Units
ns
ns
ns
ns
ns
ns
ns
BIT CELL
150 pF load
Test Conditions
Test Conditions
t
W1EC
MH89760B
t
SOD
4-83