ACS8530 Semtech Corporation, ACS8530 Datasheet - Page 138

• Manufacturer Part Number: ACS8530
• Description: Synchronous Equipment Timing Source For Stratum 2/3E/3 Systems
• Manufacturer: Semtech Corporation

Table 38 DC Characteristics: LVDS Input/Output Port
Figure 24 Recommended Line Termination for LVDS Input/Output Ports
Revision 3.01/October 2003 © Semtech Corp.
ADVANCED COMMUNICATIONS
Across all operating conditions, unless otherwise stated
LVDS Input Voltage Range
Differential Input Voltage = 100 mV
LVDS Differential Input Threshold
LVDS Input Differential Voltage
LVDS Input Termination Resistance
Must be placed externally across the LVDS
±input pins of ACS8530. Resistor should
be 100 Ω with 5% tolerance
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
n x 8 kHz,
1.544/2.048 MHz,
6.48 MHz,
19.44 MHz,
38.88 MHz,
51.84 MHz,
77.76 MHz or
155.52 MHz
n x 8 kHz,
1.544/2.048 MHz,
6.48 MHz,
19.44 MHz,
38.88 MHz,
51.84 MHz,
77.76 MHz or
155.52 MHz
where n = integer 1 to 12,500
load between the differential outputs.
Z
Z
Z
Z
O
O
O
O
=50Ω
=50Ω
=50Ω
=50Ω
100 Ω
100 Ω
V
V
V
V
Symbol
V
V
V
IDLVTSDS
DOSLVDS
R
OHLVDS
ODLVDS
VRLVDS
V
OLLVDS
OSLVDS
TERM
DITH
I5POS
I5NEG
I6POS
I6NEG
FINAL
Page 138
Minimum
0.885
1.125
-100
T06NEG
T07NEG
250
T06POS
T07POS
0.1
95
0
-
-
Z
Z
Z
Z
O
O
O
O
=50Ω
=50Ω
=50Ω
=50Ω
Typical
100
100 Ω
100 Ω
-
-
-
-
-
-
-
-
Fully
Programmable
Frequency
Fully
Programmable
Frequency
F8530D_025LVDS_05
ACS8530 SETS
Maximum
1.585
1.275
+100
2.40
105
450
1.4
25
-
DATASHEET
www.semtech.com
Units
mV
mV
mV
Ω
V
V
V
V
V