NBC124XXEVB ON Semiconductor, NBC124XXEVB Datasheet - Page 2

• Manufacturer Part Number: NBC124XXEVB
• Description: EVAL BOARD FOR NBC124XX
• Manufacturer: ON Semiconductor

Specifications of NBC124XXEVB

• Design Resources: NBC124XXEVB Gerber Files
• Main Purpose: Timing, PLL
• Embedded: No
• Utilized Ic / Part: NBC12429, NBC12430, NBC12439
• Primary Attributes: DIP Switch Controlled M & N Logic
• Secondary Attributes: Push Button or Externally Controlled P_Load
• Technology Type: Evaluation Board
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: NBC124XX
• Other names: NBC124XXEVBOS

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
15
4
5
6
7
3
XTAL1
XTAL2
OSC
B 2
F
Output Division
7−BIT B M
REF
COUNTER
Figure 1. Block Diagram (28−Lead PLCC)
7−BIT SR
2
4
8
1
DETECTOR
PHASE
0
8
LATCH
http://onsemi.com
14
M[6:0]
B 2
1
7
VCO
400−800
2
MHz
2−BIT SR
Table 2. XTAL_SEL And OE
*When disabled, FOUT goes LOW, FOUT goes HIGH.
PWR_DOWN
XTAL_SEL
PWR_DOWN
0
(1, 2, 4, 8)
POWER
LATCH
Input
DOWN
17, 18
OE*
2
B N
N[1:0]
1
2
+3.3 or 5.0 V
PLL_V
22, 19
Outputs Disabled
1
3−BIT SR
FREF_EXT
LATCH
F
CC
OUT
0
V
CC
21, 25
24
23
20
Outputs Enabled
F
+3.3 or 5.0 V
OUT
XTAL
1
B 16
FOUT
FOUT
TEST