mt8981dl Mitel, mt8981dl Datasheet - Page 12

• Manufacturer Part Number: mt8981dl
• Description: Iso-cmos St-bus ?amily Digital Switch
• Manufacturer: Mitel

MT8981D
AC Electrical Characteristics
† Timing is over recommended temperature & power supply voltages
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
* High Impedance is measured by pulling to the appropriate rail with R
2-28
Figure 14 - Serial Outputs and External Control
C4i
STo0
to
STo3
STo0
to
STo3
STo0
to
STo3
1
2
3
4
5
6
7
8
9
O
U
U
N
T
P
T
S
2.4V
0.4V
2.4V
0.4V
2.4V
0.4V
I
2.0V
0.8V
STo0/3 Delay - Active to High Z
STo0/3 Delay - High Z to Active
STo0/3 Delay - Active to Active
STo0/3 Hold Time
Output Driver Enable Delay
External Control Hold Time
External Control Delay
Serial Input Setup Time
Serial Input Hold Time
*
Bit Cell Boundary
Characteristics
ISO-CMOS
t
SOH
t
SAZ
†
t
- Serial Streams (Figures 11, 14, 15 and 16)
SOH
t
SZA
t
SAA
*
Sym
t
t
t
t
t
t
t
t
t
SOH
XCH
XCD
SAZ
SZA
SAA
OED
SIH
SIS
Min
20
25
30
25
90
0
L
, with timing corrected to cancel time taken to discharge C
STi0
to
STi3
C4i
ODE
STo0
to
STo3
Typ
-40
50
60
65
45
45
50
75
‡
2.0V
0.8V
2.0V
0.8V
2.0V
0.8V
2.4V
0.4V
Figure 15 - Output Driver Enable
Max
125
125
125
110
-20
80
Figure 16 - Serial Inputs
*
t
OED
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
Bit Cell Boundaries
R
C
C
C
R
C
C
L
L
L
L
L
L
L
=1 K *, C
=150 pF
=150 pF
=150 pF
=1 K *, C
=150 pF
=150 pF
Test Conditions
t
OED
L
L
t
SIS
=150 pF
=150 pF
L
.
t
SIH
*