mh89760b Mitel, mh89760b Datasheet - Page 31

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

Preliminary Information
† 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.
AC Electrical Characteristics
10
Received DS1 Link
Bit Cells
E1.5o
RxA
or
RxB
OUTA
OUTB
Transmitted DS1 Link
Bit Cells
C1.5i
1
2
3
4
5
6
7
8
9
or
Transmit Steering Delay
E1.5o Clock Period
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
C1.5i Pulse Width High or Low
V
V
V
V
OH
OL
OH
OL
V
V
V
V
OH
OL
IH
IL
Characteristics
Figure 26 - Transmit Timing for DS1 Link
t
Figure 27 - Receive Timing for DS1 Link
†
TSD
- DS1 Link Timing (Figures 26 and 27)
t
WEC
t
t
t
Sym
RDF
t
t
WC1.5
t
t
t
t
t
t
PC1.5
WEC
RDW
RDS
RDH
RDR
TSD
PEC
RDF
t
WC1.5
t
RDS
Min
500
250
50
t
RDW
t
PEC
Bit Cell
Bit Cell
t
PC1.5
Typ
648
324
324
648
324
50
50
20
20
t
‡
RDH
t
TSD
Max
150
800
t
t
RDR
WEC
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
150 pF Load
Test Conditions
MH89760B
4-85