nbc12430 ON Semiconductor, nbc12430 Datasheet - Page 2

• Manufacturer Part Number: nbc12430
• Description: 3.3v/5vprogrammable Pll Synthesized Clock Generator
• Manufacturer: ON Semiconductor

10-20MHz
FREF_EXT
XTAL_SEL
Table 1. Output Division
S_CLOCK
S_LOAD
P_LOAD
S_DATA
OE
N [1:0]
0 0
0 1
1 0
1 1
28
27
26
4
5
6
7
3
2
B 16
XTAL1
XTAL2
OSC
16 MHz Crystal
1 MHz F
with
Output Division
9-BIT B M
COUNTER
REF
9- BIT SR
2
4
8
1
Figure 1. Block Diagram (PLCC-28)
NBC12430, NBC12430A
DETECTOR
0
8
LATCH
PHASE
http://onsemi.com
16
M[8:0]
B 2
1
9
400-800
2
VCO
MHz
2- BIT SR
Table 2. XTAL_SEL And OE
XTAL_SEL
(1, 2, 4, 8)
0
+3.3 or 5.0 V
LATCH
Input
17, 18
OE
B N
PLL_V
1
N[1:0]
1
CC
2
22, 19
Outputs Disabled
3- BIT SR
FREF_EXT
LATCH
0
V
CC
21, 25
24
23
20
Outputs Enabled
+3.3 or 5.0 V
XTAL
1
F
F
TEST
OUT
OUT