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NBC12439FN Datasheet(PDF) 2 Page - ON Semiconductor

Part # NBC12439FN
Description  3.3 V/5 V Programmable PLL Synthesized Clock Generator
PDF  20 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NBC12439FN Datasheet(HTML) 2 Page - ON Semiconductor

  NBC12439FN Datasheet HTML 1Page - ON Semiconductor NBC12439FN Datasheet HTML 2Page - ON Semiconductor NBC12439FN Datasheet HTML 3Page - ON Semiconductor NBC12439FN Datasheet HTML 4Page - ON Semiconductor NBC12439FN Datasheet HTML 5Page - ON Semiconductor NBC12439FN Datasheet HTML 6Page - ON Semiconductor NBC12439FN Datasheet HTML 7Page - ON Semiconductor NBC12439FN Datasheet HTML 8Page - ON Semiconductor NBC12439FN Datasheet HTML 9Page - ON Semiconductor Next Button
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NBC12439
http://onsemi.com
2
Figure 1. NBC12439 Block Diagram (28-Lead PLCC)
7-BIT
B M
COUNTER
B 2
7- BIT SR
2- BIT SR
3- BIT SR
B 2
10-20MHz
S_LOAD
P_LOAD
S_DATA
S_CLOCK
XTAL1
XTAL2
OSC
4
5
PHASE
DETECTOR
28
7
LATCH
VCO
B N
(1, 2, 4, 8)
LATCH
400-800
MHz
FOUT
FOUT
+3.3 or 5.0 V
21, 25
24
23
VCC
LATCH
TEST
20
+3.3 or 5.0 V
PLL_VCC
FREF
01
27
26
01
M[6:0]
7
8 ¡ 14
N[1:0]
2
17, 18
22, 19
OE
6
FREF_EXT
3
XTAL_SEL
15
1
N [1:0]
Output Division
0 0
0 1
1 0
1 1
2
4
8
1
Input
0
PWR_DOWN
XTAL_SEL
OE
FOUT
FREF_EXT
Disabled
1
FOUT
B 16
XTAL
Enabled
PWR_DOWN
2
POWER
DOWN
Table 1. Output Division
Table 2. XTAL_SEL and OE



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