MT8986
AC Electrical Characteristics† - GCI Timing (2.048 Mb/s)
Voltages are with respect to ground (VSS) unless otherwise stated.
‡
Characteristics
Clock Period
Sym
Min
Typ
Max
Units
Test Conditions
1
2
3
4
5
6
tCK
tCL, tCH
tWFH
tFRS
150
73
244
122
244
300
150
ns
ns
ns
ns
ns
ns
Pulse Width
Frame Width High
Frame Setup
Frame Hold
10
20
190
190
100
tFRH
Data Delay/Clock Active to
Active
tDAA
45
C =150 pF
L
7
8
9
Serial Input Setup
Serial Input Hold
tSTIS
tSTIH
tr, tf
20
20
ns
ns
ns
Clock Rise/Fall Time
10
† Timing is over recommended temperature & power supply voltages (VDD=5V±5%, VSS=0V, TA=–40 to 85°C).
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
CLK
FR
Ch. 31
Bit 0
Ch. 0
Bit 4
STi/
STo
Ch. 0
Bit 5
Ch. 0
Bit 7
Ch. 0
Bit 6
Note: bit 0 identifies the first bit of the GCI frame
tCK
See Detail a
tr
tf
tCH
tCL
2.0V
0.8V
CLK
FR
tWFH
2.0V
0.8V
tFRS
tFRH
2.0V
0.8V
STo
STi
tSTIH
tSTIS
tDAA
2.0V
0.8V
Detail a
Figure 17 - GCI Timing (CLKM bit=0)
2-87
MITEL [ MITEL NETWORKS CORPORATION ]
