MT8985 Mitel Networks Corporation, MT8985 Datasheet - Page 15

• Manufacturer Part Number: MT8985
• Description: Enhanced Digital Switch
• Manufacturer: Mitel Networks Corporation

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AC Electrical Characteristics
Voltages are with respect to ground (VSS) unless otherwise stated.
† Timing is over recommended temperature & power supply voltages (V
‡ Typical figures are at 25 C and are for design aid only: not guaranteed and not subject to production testing.
C4i
STi
F0i
STo
1
2
3
4
5
6
7
8
9
C4i
F0i
STi/
STo
2.0V
0.8V
2.0V
0.8V
2.0V
0.8V
2.0V
0.8V
Clock Period
Pulse Width
Frame Width High
Frame Setup
Frame Hold
Data Delay/Clock Active to
Active
Serial Input Setup
Serial Input Hold
Clock Rise/Fall Time
t
r
Characteristics
Detail a
t
f
See Detail a
†
t
DAA
- GCI Timing
t
F0iS
bit 0
t
Figure 14 - GCI Timing
CL
Sym
t
t
t
t
t
t
t
WFH
F0iH
STiS
STiH
t
F0iS
DAA
C4i
, t
r,
t
f
CH
t
t
t
F0iH
WFH
CL
Min
150
73
10
20
20
20
DD
=5V 5%, V
t
bit 1
CH
t
Note: bit 0 identifies the first bit of the GCI frame
STiS
Typ
244
122
244
45
t
STiH
SS
‡
=0V, T
Max
A
300
150
190
190
100
10
=–40 to 85 C).
bit 2
Units
t
ns
ns
ns
ns
ns
ns
ns
ns
ns
C4i
C
Test Conditions
L
bit 3
=150 pF
MT8985
2-59