ACS8509 Semtech Corporation, ACS8509 Datasheet - Page 47

• Manufacturer Part Number: ACS8509
• Description: Synchronous Equipment Timing Source for Sonet or SDH Network Elements
• Manufacturer: Semtech Corporation

Figure 11 Recommended Line Termination for PECL Output Port
Table 23 DC Characteristics: LVDS Output Port
Figure 12 Recommended Line Termination for LVDS Output Port
Revision 2.00/January 2006 © Semtech Corp.
ADVANCED COMMUNICATIONS
Across all operating conditions, unless otherwise stated
LVDS Output High Voltage
(Note (i))
LVDS Output Low Voltage
(Note (i))
LVDS Differential Output Voltage
LVDS Change in Magnitude of Differential
Output Voltage for complementary States
(Note (i))
LVDS Output Offset Voltage
Temperature = 25
Note: (i) With 100
Parameter
o
C (Note (i))
Ω
load between the differential outputs.
Z
V
O
DD
= Transmission line Impedance
= +3.3 V
O1POS
O1NEG
01POS
01NEG
Z
O
= Transmission line Impedance
V
V
V
Symbol
V
V
DOSLVDS
OHLVDS
ODLVDS
OLLVDS
OSLVDS
Z
Z
O
O
= 50Ω
= 50Ω
Z
Z
O
O
= 50Ω
= 50Ω
130 Ω
FINAL
82 Ω
Page 47
Minimum
0.885
1.125
250
-
-
100 Ω
V
DD
GND
130 Ω
82 Ω
Typical
-
-
-
-
-
Frequencies:
19.44 MHz
51.84 MHz
77.76 MHz
155.52 MHz
F8509D_025LVDS_01
F8509D_024PECL_02
Frequencies:
19.44 MHz
51.84 MHZ
77.76 MHz
155.52 MHz
ACS8509 SETS
Maximum
1.585
1.275
450
25
-
DATASHEET
www.semtech.com
Units
mV
mV
V
V
V