MT8985 Mitel Networks Corporation, MT8985 Datasheet - Page 14

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

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MT8985
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.
2-58
10 Clock Rise/Fall Time
1 Frame Pulse width
2 Frame Pulse setup time
3 Frame Pulse hold time
4 STo delay Active to Active
5 STi setup time
6 STi hold time
7 Clock period
8 CK Input Low
9 CK Input High
C4i
STo
STi
F0i
2.0V
0.8V
2.0V
0.8V
2.0V
0.8V
2.0V
0.8V
Characteristics
Ch. 31
Bit 0
Ch. 31
Bit 0
t
F0iS
†
t
t
F0iW
DAA
- ST-BUS Timing
t
F0iH
Figure 13 - ST-BUS Timing
Sym
t
t
t
t
t
t
F0iW
STiH
t
t
F0iS
F0iH
DAA
STiS
t
t
C4i
CH
CL
r,
t
f
t
Ch. 0
Bit 7
STiS
Min
200
10
20
20
20
85
85
Ch. 0
Bit 7
DD
=5V 5%, V
Typ
244
244
122
122
45
t
STiH
‡
t
C4i
Max
SS
190
190
100
300
150
150
10
=0V, T
A
=–40 to 85 C).
t
Units
CH
t
f
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Ch. 0
Bit 6
C
t
CL
L
=150 pF
Ch. 0
Bit 6
Test Conditions
t
r
Ch. 0
Bit 5
Ch. 0
Bit 5