MT8986 Mitel Semiconductor, MT8986 Datasheet - Page 25

• Manufacturer Part Number: MT8986
• Description: CMOS ST-BUS FAMILY Multiple Rate Digital Switch
• Manufacturer: Mitel Semiconductor

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.
CLK
FR
STi/
STo
CLK
FR
STo
STi
1
2
3
4
5
6
7
8
9
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
Ch. 31
Bit 0
See Detail a
Figure 17 - GCI Timing (CLKM bit=0)
t
†
DAA
t
FRS
- GCI Timing (2.048 Mb/s)
Ch. 0
Bit 7
t
CL
Sym
t
t
t
t
t
t
t
t
WFH
ST
FRS
FRH
DAA
ST
, t
r,
CK
t
I
I
H
S
CH
f
t
t
t
FRH
WFH
CL
Min
150
73
10
20
20
20
DD
t
CH
=5V±5%, V
t
ST
Ch. 0
Bit 6
I
Note: bit 0 identifies the first bit of the GCI frame
S
Typ
244
122
244
45
t
ST
‡
SS
I
H
=0V, T
Max
300
150
190
190
100
A
10
=–40 to 85°C).
Ch. 0
Bit 5
Units
t
ns
ns
ns
ns
ns
ns
ns
ns
ns
CK
2.0V
0.8V
C
Test Conditions
L
=150 pF
Ch. 0
Bit 4
MT8986
2.0V
0.8V
2.0V
0.8V
2.0V
0.8V
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