nbc12439a ON Semiconductor, nbc12439a Datasheet - Page 3

• Manufacturer Part Number: nbc12439a
• Description: 3.3 V/5 V Programmable Pll Synthesized Clock Generator
• Manufacturer: ON Semiconductor

PWR_DOWN
PWR_DOWN
FREF_EXT
FREF_EXT
S_CLOCK
S_CLOCK
PLL_V
PLL_V
PLL_V
S_LOAD
S_LOAD
S_DATA
S_DATA
XTAL1
XTAL1
CC
CC
CC
1
2
3
4
5
6
7
8
26
27
28
1
2
3
4
32
Figure 4. 32-Lead QFN (Top View)
9
Figure 2. 28-Lead PLCC (Top View)
25
5
31
10
24
6
30
11
23
7
29
12
22
8
28
13
21
27
14
9
NBC12439, NBC12439A
26
15
20
10
http://onsemi.com
25
16
19
11
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12
PWR_DOWN
24
23
22
21
20
19
18
17
FREF_EXT
S_CLOCK
PLL_V
PLL_V
Exposed Pad (EP)
N/C
N[1]
N[0]
NC
XTAL_SEL
M[6]
M[5]
M[4]
S_LOAD
S_DATA
3
N[1]
N[0]
NC
XTAL_SEL
M[6]
M[5]
M[4]
XTAL1
CC
CC
Figure 3. 32-Lead LQFP (Top View)
1
2
3
4
5
6
7
8
32
9
10
31
30
11
29
12
13
28
27
14
26
15
25
16
24
23
22
21
20
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17
N/C
N[1]
N[0]
NC
XTAL_SEL
M[6]
M[5]
M[4]