nb4n441 ON Semiconductor, nb4n441 Datasheet - Page 4

• Manufacturer Part Number: nb4n441
• Description: 3.3v Serial Input Multiprotocol Pll Clock Synthesizer, Differential Lvpecl Output
• Manufacturer: ON Semiconductor

Table 2. STANDARD PROTOCOL / OUTPUT FREQUENCY SELECT TABLE WITH 27 MHz CRYSTAL REFERENCE
Table 3. N−DIVIDER TABLE
10
12
13
14
15
16
17
11
#
0
0
0
1
2
3
3
4
4
4
4
5
6
7
8
9
N2
0
0
0
0
1
1
1
1
SONET Reference
1/8 Fibre Channel
1/4 Fibre Channel
1/2 Fibre Channel
OC−48 / STM−16
2x Fibre Channel
4x Fibre Channel
OC−12 / STM−4
Gigabit Ethernet
OC−3 /STM−1
Fibre Channel
Fast Ethernet
Serial ATA
Infiniband
Protocol
D1 Video
ESCON
General
N1
HDTV
HDTV
OC−1
FDDI
XAUI
PCIe
0
0
1
1
0
0
1
1
ETR
N0
0
1
0
1
0
1
0
1
CLKOUT (MHz)
13.28125
N Divider
26.5625
155.52
155.52
155.52
53.125
106.25
156.25
148.50
51.84
19.44
212.5
74.25
125
125
125
125
150
425
100
B16
B32
B2
B4
B8
32
50
50
69
na
na
na
http://onsemi.com
NB4N441
4
Input Prescaler
Divider P[4:0]
11001
11001
11001
11001
11001
11011
11011
11011
11011
11011
11011
11011
11011
11011
11011
11011
11011
11011
11011
11011
11011
11011
11011
11011
PLL FB Divider
1001000000
1001000000
1001000000
1000000000
1000101000
1001000000
1001010010
1001010010
1100000000
1100100000
1100100000
0110101001
1101010010
1101010010
1101010010
1001011000
1101010010
1101010010
1001110001
1100100000
0111110100
0111110100
0111110100
0111110100
M[9:0]
Output Frequency Divider
OUTDIV N[2:0]
010
010
010
100
100
100
100
010
010
010
010
101
101
100
010
101
010
001
010
010
011
011
011
011