MT90812 Mitel Networks Corporation, MT90812 Datasheet - Page 83

• Manufacturer Part Number: MT90812
• Description: Integrated Digital Switch (IDX)
• Manufacturer: Mitel Networks Corporation

Advance Information
AC Electrical Characteristics - Timing Parameter Measurement Voltages Levels
AC Electrical Characteristics - Input Clock Parameters
‡ Typical figures are at 25˚C and are for design aid only: not guaranteed and not subject to production testing.
AC Electrical Characteristics - Input Frame Pulse Parameters
‡ Typical figures are at 25˚C and are for design aid only: not guaranteed and not subject to production testing.
† See "Notes" following AC Electrical Characteristics tables.
TTL reference level
CMOS reference level
Input HIGH level
Input LOW level
Rise/Fall HIGH meas. pt.
Rise/Fall LOW meas. pt.
C4i clock period
C4i clock width (High)
C4i clock width (Low)
C4i clock rise/fall time
C8 clock period
C8 clock width (High)
C8 clock width (Low)
C8 clock rise/fall time
C16 clock period
C16 clock width (High)
C16 clock width (Low)
C16 clock rise/fall time
F4i Setup Time (ST-Bus, GCI)
F4i Hold Time (ST-Bus, GCI)
F4i Width (ST-Bus, GCI)
F8 Setup Time (ST-Bus, GCI)
F8 Hold Time (ST-Bus, GCI)
F8 Width (ST-Bus, GCI) 8.192 MHz
16.384 Mhz
Characteristics
Characteristics
Characteristics
t
t
t
C16iR/F
t
t
t
C4iR/F
C8iR/F
Sym
t
t
t
C16iP
C16iH
t
t
C16iL
t
C4iP
C4iH
C4iL
C8P
C8H
C8L
Sym
t
t
t
t
t
t
F4iW
F4iS
F4iH
F8W
F8H
F8S
Symbol
V
V
V
V
V
V
HM
CT
HL
TT
H
L
Min
220
110
110
110
50
50
50
25
25
Min
195
10
20
10
10
50
50
Typ
61.0
61.0
61.0
30.5
30.5
TTL Pin
244
122
122
122
Typ
244
122
61
1.5
2.4
0.4
2.0
0.8
‡
-
‡
Max
140
140
10
70
70
10
70
35
35
10
Max
150
150
295
145
70
Units
CMOS Pin
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
0.5*V
0.9*V
0.1*V
0.7*V
0.3*V
ns
ns
ns
ns
ns
ns
-
DD
DD
DD
DD
DD
17
17
18
18
Test Conditions
Test Conditions†
MT90812
Units
V
V
V
V
V
V
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