MT9173AE Mitel Networks Corporation, MT9173AE Datasheet - Page 17
MT9173AE
Manufacturer Part Number
MT9173AE
Description
Digital Subscriber Interface Circuit with RxSB
Manufacturer
Mitel Networks Corporation
Datasheet
1.MT9173AE.pdf
(22 pages)
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Preliminary Information
† Timing is over recommended temperature & power supply voltages.
* 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 voltages.
* Typical figures are at 25 C and are for design aid only: not guaranteed and not subject to production testing.
Notes:
AC Electrical Characteristics
AC Electrical Characteristics
5a
5b
10
F0
C4
ST-BUS
BIT CELLS
1
2
3
4
5
6
1
2
3
4
6
7
8
9
Duty cycle is measured at V
C4 Clock Period
C4 Clock Width High or Low
Frame Pulse Setup Time
Frame Pulse Hold Time
Frame Pulse Width
10.24 MHz Clock Jitter (wrt C4)
O
N
P
U
S
U
P
U
S
T
T
T
I
1)
2)
Input Voltage
Input Impedance
Crystal/Clock Frequency
Crystal/Clock Tolerance
Crystal/Clock Duty Cycle
Crystal/Clock Duty Cycle
Crystal/Clock Loading
Output Capacitance
Load Resistance
Load Capacitance
Output Voltage
When operating as a SLAVE the C4 clock has a 40% duty cycle.
When operating in MAS/DN Mode, the C4 and Oscillator clocks must be externally frequency-locked (i.e.,
F
0 ns to t
Characteristics
C
=2.5xf
Characteristics
C4P
C4
Figure 15 - C4 Clock & Frame Pulse Alignment for ST-BUS Streams
). The relative phase between these two clocks (
. However, the relative jitter must be less than J
DD
/2 volts.
(V
(V
Channel 31
Bias
Bias
Bit 0
, V
, V
(L
(L
(L
(L
(L
(L
OUT
IN)
IN
OUT
OUT
† - Voltages are with respect to ground (V
Ref
Ref
OUT
†
)
- Clock Timing - DN Mode (Figures 16 & 17)
)
)
)
)
)
)
Channel 0
Sym
t
t
t
t
t
C4W
Bit 7
F0W
C4P
F0S
F0H
J
C
Sym
R
C
DC
DC
V
Z
T
C
C
V
f
Lout
Lout
C
IN
IN
C
o
L
o
C
C
Min
50
50
Channel 0
-100
Min
0.1
3.2
Bit 6
20
40
45
Typ*
244
122
244
10.24
15
Typ*
500
100
4.3
50
50
33
0
8
C
(see Figure 17).
in Fig. 17) is not critical and may vary from
Max
+100
Max
5.0
4.6
60
55
50
20
SS
) unless otherwise stated.
Units
Units
MHz
ppm
ns
ns
ns
ns
ns
ns
V
V
k
k
pF
pF
pF
%
%
pp
pp
F
f
Normal temp. & V
Recommended at max./
min. temp. & V
From OSC1 & OSC2 to V
Capacitance to V
R
In Master Mode - Note 1
Note 2
Baud
Lout
=160 kHz
= 500 , C
Test Conditions
Test Conditions
MT9173/74
DD
Lout
Bias
DD
= 20pF
.
9-153
SS
.
.