MT8986 Mitel Semiconductor, MT8986 Datasheet - Page 24

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

MT8986
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.
2-86
10 Clock Rise/Fall Time
1
2
3
4
5
6
7
8
9
FR
STi
STi
STo
Frame Pulse width
Frame Pulse setup time
Frame Pulse hold time
STo delay Active to Active
STi setup time
STi hold time
Clock period
CK Input Low
CK Input High
Characteristics
Ch. 31
Bit 0
Ch. 31
Bit 0
t
FRS
t
t
Figure 16 - ST-BUS Timing (CLKM bit=0)
DAA
FRW
†
t
FRH
_
ST-BUS Timing (2.048 Mb/s)
Sym
t
t
t
t
t
t
t
FRW
ST
t
t
FRS
FRH
DAA
ST
CLK
t
CH
CL
r
,
t
I
I
H
f
S
t
Ch. 0
Bit 7
ST
I
S
Ch. 0
Bit 7
Min
190
10
20
20
20
85
85
DD
t
Typ
=5V±5%, V
ST
244
244
122
122
45
I
H
t
CLK
‡
Max
SS
190
190
100
300
150
150
10
=0V, T
t
CH
A
=–40 to 85°C).
Units
t
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
r
Ch. 0
Bit 6
t
CL
Ch. 0
Bit 6
C
t
L
f
=150 pF
Test Conditions
Ch.0
Bit 5
Ch. 0
Bit 5
2.0V
0.8V
2.0V
0.8V
2.0V
0.8V
2.0V
0.8V