ACS8530 Semtech Corporation, ACS8530 Datasheet - Page 137
ACS8530
Manufacturer Part Number
ACS8530
Description
Synchronous Equipment Timing Source For Stratum 2/3E/3 Systems
Manufacturer
Semtech Corporation
Datasheet
1.ACS8530.pdf
(150 pages)
- Current page: 137 of 150
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Table 37 DC Characteristics: PECL Input/Output Port (cont...)
Notes: (i) Unused differential input ports should be left floating and set in LVDS mode, or the positive and negative inputs tied to V
Figure 23 Recommended Line Termination for PECL Input/Output Ports
Revision 3.01/October 2003 © Semtech Corp.
ADVANCED COMMUNICATIONS
Across all operating conditions, unless otherwise stated
PECL Input High Voltage
Single-ended Input (Note (iii))
Input High Current
Input Differential Voltage V
Input Low Current
Input Differential Voltage V
PECL Output Low Voltage (Note (iv))
PECL Output High Voltage (Note (iv))
PECL Output Differential Voltage (Note (iv))
(iii) Unused differential input terminated to V
(iv) With 50
(ii) Assuming a differential input voltage of at least 100 mV.
respectively.
Parameter
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 on each pin to V
ID
ID
= 1.4V
= 1.4V
Z
Z
Z
Z
O
O
O
O
=50Ω
=50Ω
=50Ω
=50Ω
130 Ω
130 Ω
DD
82 Ω
82 Ω
-2 V, i.e. 82
GND
GND
V
V
V
V
V
Symbol
V
ILPECL_S
I
I
DD
DD
IHPECL
OHPECL
ODPECL
ILPECL
OLPECL
DD
130 Ω
82 Ω
130 Ω
82 Ω
-1.4 V.
Ω
I5POS
I5NEG
I6POS
I6NEG
to GND and 130
FINAL
Page 137
Minimum
V
V
V
DD
DD
DD
580
-10
-10
-2.10
-1.25
-1.3
T06POS
T06NEG
T07POS
T07NEG
Ω
to V
DD
Z
Z
Z
Z
O
O
.
O
O
=50Ω
=50Ω
=50Ω
=50Ω
Typical
V
130 Ω
130 Ω
DD
82 Ω
82 Ω
-
-
-
-
-
-
= +3.3 V
GND
GND
V
V
DD
DD
130 Ω
82 Ω
130 Ω
82 Ω
Maximum
ACS8530 SETS
V
V
Fully
Programmable
Frequency
Fully
Programmable
Frequency
V
DD
DD
DD
+10
+10
900
F8530D_024PECL_05
-1.62
-0.88
-0.5
DATASHEET
www.semtech.com
DD
Units
mV
µA
µA
V
V
V
and GND
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