MT8980DE1 Zarlink Semiconductor, Inc., MT8980DE1 Datasheet - Page 12
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MT8980DE1
Manufacturer Part Number
MT8980DE1
Description
256 x 256 Channels (8 TDM Streams at 2.048 Mbps) Non-blocking Digital Switch (DX)
Manufacturer
Zarlink Semiconductor, Inc.
Datasheet
1.MT8980DE1.pdf
(22 pages)
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MT8980D
AC Electrical Characteristics
† Timing is over recommended temperature & power supply voltages.
‡ Typical figures are at 25
* High Impedance is measured by pulling to the appropriate rail with R
2-14
Figure 14 - Serial Outputs and External Control
C4i
STo0
to
STo7
STo0
to
STo7
STo0
to
STo7
CSTo
1
2
3
4
5
6
7
8
9
O
U
T
P
U
T
S
N
2.4V
0.4V
I
2.4V
0.4V
2.4V
0.4V
2.4V
0.4V
2.0V
0.8V
STo0/7 Delay - Active to High Z
STo0/7 Delay - High Z to Active
STo0/7 Delay - Active to Active
STo0/7 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
°
C and are for design aid only: not guaranteed and not subject to production testing.
t
SOH
t
†
SAZ
- Serial Streams (Figures 11, 14, 15 and 16)
t
t
SOH
XCH
t
SZA
t
t
XCD
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
ODE
STo0
to
STo7
C4i
STi0
to
STi7
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 KΩ*, C
=150 pF
=150 pF
=150 pF
=1 KΩ*, C
=150 pF
=150 pF
Test Conditions
t
OED
L
L
t
=150 pF
=150 pF
SIS
L
.
t
SIH
*