ZL50057 ZARLINK [Zarlink Semiconductor Inc], ZL50057 Datasheet - Page 101

• Manufacturer Part Number: ZL50057
• Description: 12 K-Channel Digital Switch with High Jitter Tolerance, Per Stream Rate Conversion (2, 4, 8, 16, or 32 Mbps), and 48 Inputs and 48 Outputs
• Manufacturer: ZARLINK [Zarlink Semiconductor Inc]

Local and Backplane Output High Impedance Timing
Note 1: High Impedance is measured by pulling to the appropriate rail with R
1
2
STo delay - Active to High-Z
Output Driver Enable (ODE)
Delay to Active Data
Output Driver Enable (ODE)
Delay to High Impedance
Characteristic
- High-Z to Active
Figure 33 - Serial Output and External Control
CLK
ODE
STo
STo
STo
Figure 34 - Output Driver Enable (ODE)
Sym.
t
t
ODE
t
t
ODZ
DZ
ZD
Hi-Z
Valid Data
Zarlink Semiconductor Inc.
t
ODE
Min.
ZL50057/8
HiZ
Valid Data
t
DZ
101
t
ZD
Typ.
t
4
4
ODZ
L
, with timing corrected to cancel time taken to discharge C
Valid Data
HiZ
Max.
Hi-Z
14
14
VTT
6
6
Units
VTT
VTT
ns
ns
ns
ns
VTT
VTT
R
R
R
L
L
L
=1k, C
=1k, C
=1k, C
Test Conditions
L
L
L
=50pF, See Note 1
=50pF, See Note 1
=50pF, See Note 1
Data Sheet
L
.