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ACS8946 Datasheet(PDF) 19 Page - Semtech Corporation

Part # ACS8946
Description  Jitter Attenuating, Multiplying Phase Locked Loop, with Protection Switch, for OC-12/STM-4 and GbE
PDF  40 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

ACS8946 Datasheet(HTML) 19 Page - Semtech Corporation

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ADVANCED COMMUNICATIONS
FINAL
DATASHEET
Revision 3/November 2006 © Semtech Corp.
Page 19
www.semtech.com
ACS8946 JAM PLL
Table 14 Output Configuration and Selection for Ethernet Rates (156.25 MHz or 125 MHz input)
Row no.
Wiring of Configuration Pins
“Available Rates” and Associated “AB” Values (See Note (i))
CFG_IN0
CFG_IN1
AB = 11
AB = 10
AB = 01
AB = 00
0
GND
GND
625.00
312.50
156.25
78.13
1
GND
VDD
625.00
312.50
156.25
39.06
2
GND
ALARM1_CO0
625.00
312.50
156.25
19.53
3
GND
ALARM2_CO1
625.00
312.50
156.25
Off
4
GND
CFG_OUT2
625.00
312.50
78.13
39.06
5
GND
ALARMC_CO3
625.00
312.50
78.13
19.53
6
VDD
GND
625.00
312.50
78.13
Off
7
VDD
VDD
625.00
312.50
39.06
19.53
8
VDD
ALARM1_CO0
625.00
312.50
39.06
Off
9
VDD
ALARM2_CO1
625.00
312.50
19.53
Off
10
VDD
CFG_OUT2
625.00
156.25
78.13
39.06
11
VDD
ALARMC_CO3
625.00
156.25
78.13
19.53
12
ALARM1_CO0
GND
625.00
156.25
78.13
Off
13
ALARM1_CO0
VDD
625.00
156.25
39.06
19.53
14
ALARM1_CO0
ALARM1_CO0
625.00
156.25
39.06
Off
15
ALARM1_CO0
ALARM2_CO1
625.00
156.25
19.53
Off
16
ALARM1_CO0
CFG_OUT2
625.00
78.13
39.06
19.53
17
ALARM1_CO0
ALARMC_CO3
625.00
78.13
39.06
Off
18
ALARM2_CO1
GND
625.00
78.13
19.53
Off
19
ALARM2_CO1
VDD
625.00
39.06
19.53
Off
20
ALARM2_CO1
ALARM1_CO0
312.50
156.25
78.13
39.06
21
ALARM2_CO1
ALARM2_CO1
312.50
156.25
78.13
19.53
22
ALARM2_CO1
CFG_OUT2
312.50
156.25
78.13
Off
23
ALARM2_CO1
ALARMC_CO3
312.50
156.25
39.06
19.53
24
CFG_OUT2
GND
312.50
156.25
39.06
Off
25
CFG_OUT2
VDD
312.50
156.25
19.53
Off
26
CFG_OUT2
ALARM1_CO0
312.50
78.13
39.06
19.53
27
CFG_OUT2
ALARM2_CO1
312.50
78.13
39.06
Off
28
CFG_OUT2
CFG_OUT2
312.50
78.13
19.53
Off
29
CFG_OUT2
ALARMC_CO3
312.50
39.06
19.53
Off
30
ALARMC_CO3
GND
156.25
78.13
39.06
19.53



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