MH89770
Preliminary Information
AC Electrical Characteristics† - XCTL, XSt, & E8Ko (Figure 23, 24, & 25)
‡
Parameters
Sym
Min
Typ
Max
Units
Test Conditions
1
2
3
4
5
6
7
8
External Control Delay
External Status Setup Time
External Status Hold Time
8 kHz Output Delay
tXCD
tXSS
tXSH
t8OD
t8OL
t8OH
t8R
140
100
400
150
ns
ns
ns
ns
µs
µs
ns
ns
8 kHz Output Low Width
8 kHz Output High Width
8 kHz Rise Time
78
47
10
10
8 kHz Fall Time
t8F
† 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.
ST-BUS Bit Cell Boundary Between
Bit 2 Channel 30 and Bit 1 Channel 30
ST-BUS Bit Cell Boundary Between
Bit 0 Channel 15 and Bit 7 and Channel 16
2.0V
0.8V
2.0V
C2i
XSt
C2i
0.8V
2.0V
0.8V
2.4V
0.4V
XCtl
t
t
t
XSH
XCD
XSS
Figure 23 - XCTL Timing
Figure 24 - XST Timing
Channel 2
Bit 1
Channel 17
Bit 2
Channel 2
Bit 1
Received
DS1 Bits
•
• •
•
• •
V
OH
E1.5o
E8Ko
V
OL
t
t
8OD
8OD
t
8OD
V
OH
V
OL
t
t
8OL
8OH
t
t
t
8F
8F
8R
Figure 25 - E8Ko Timing
4-154
MITEL [ MITEL NETWORKS CORPORATION ]
