ics1574b Integrated Device Technology, ics1574b Datasheet - Page 10
ics1574b
Manufacturer Part Number
ics1574b
Description
User Programmable Laser Engine Pixel Clock Generator
Manufacturer
Integrated Device Technology
Datasheet
1.ICS1574B.pdf
(13 pages)
Available stocks
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Part Number
Manufacturer
Quantity
Price
Part Number:
ics1574bM
Manufacturer:
ICS
Quantity:
20 000
Part Number:
ics1574bMLFT
Manufacturer:
IDT
Quantity:
20 000
IDT™ / ICS™ User Programmable Laser Engine Pixel Clock Generator
ICS1574B
User Programmable Laser Engine Pixel Clock Generator
ICS1574B
Notes:
row to the left to find the M divider programming. Some feedback divisors can be achieved with two or three combinations of divider settings.
Any are acceptable for use.
The formula for the effective feedback modulus is:
except when A=0, then:
Under all circumstances:
A
M
2 [
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
5 [
. ]
. . ]
0 0
0 0
1 0
1 0
0 1
0 1
1 1
1 1
0 0
0 0
1 0
1 0
0 1
0 1
1 1
1 1
0 0
0 0
1 0
1 0
0 1
0 1
1 1
1 1
0 0
0 0
1 0
1 0
0 1
0 1
1 1
1 1
A .
M
0 0
0 1
0 0
0 1
0 0
0 1
0 0
0 1
0 0
0 1
0 0
0 1
0 0
0 1
0 0
0 1
1 0
1 1
1 0
1 1
1 0
1 1
1 0
1 1
1 0
1 1
1 0
1 1
1 0
1 1
1 0
1 1
To use this table, find the desired modulus in the table. Follow the column up to find the A divider programming values. Follow the
0 [
[
] 0
- ]
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
9 1
5 2
1 3
7 3
3 4
9 4
5 5
1 6
7 6
3 7
9 7
5 8
1 9
7 9
3 1
1 0
3 0
9 0
5 1
7 2
9 3
5 4
7 5
9 6
5 7
7 8
1 2
3 3
1 5
3 6
1 8
3 9
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0 2
6 2
2 3
8 3
4 4
0 5
6 5
2 6
8 6
4 7
0 8
6 8
2 9
8 9
0 1
4 0
0 1
6 1
2 2
4 3
0 4
6 4
2 5
4 6
0 7
6 7
2 8
4 9
8 2
8 5
8 8
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
7 2
9 3
5 4
7 5
9 6
5 7
9 9
3 3
1 5
3 6
1 8
7 8
3 9
1 1
5 0
1 1
7 1
3 2
9 2
5 3
1 4
7 4
3 5
9 5
5 6
1 7
7 7
3 8
9 8
5 9
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0 4
6 4
2 5
4 6
0 7
6 7
4 9
4 3
8 5
2 8
8 8
0 0
0 0
6 0
2 1
8 1
4 2
0 3
6 3
2 4
8 4
4 5
0 6
6 6
2 7
8 7
4 8
0 9
6 9
Table 1 — "A" & "M" Divider Programming
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1 4
7 4
3 5
9 5
5 6
1 7
7 7
3 8
9 8
5 9
1 0
7 0
3 1
9 1
5 2
7 3
3 4
9 4
5 5
7 6
3 7
9 7
5 8
7 9
1 0
1 3
1 6
1 9
Feedback Divider Modulus Table
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
8 4
4 5
0 6
6 6
2 7
8 7
4 8
0 9
6 9
0 1
2 0
8 0
4 1
0 2
6 2
2 3
8 3
4 4
0 5
6 5
2 6
8 6
4 7
0 8
6 8
2 9
8 9
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
5 5
7 6
3 7
9 7
7 9
1 6
5 8
1 9
1 1
3 0
9 0
5 1
1 2
7 2
3 3
9 3
5 4
1 5
7 5
3 6
9 6
5 7
1 8
7 8
3 9
9 9
N =[(M +1) • 6] +A
N=(M +1) • 7
A ≤ M
0
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
8 2
2 4
9 4
6 5
0 7
7 7
4 8
8 9
4 1
1 2
5 3
3 6
1 9
0 0
7
3 0
0 1
7 1
4 2
5 0
2 1
9 1
6 2
3 3
0 4
7 4
4 5
1 6
8 6
5 7
2 8
9 8
6 9
10
10
A
M
2 [
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
5 [
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
. ]
. . ]
0 0
0 0
1 0
1 0
0 1
0 1
1 1
1 1
0 0
0 0
1 0
1 0
0 1
0 1
1 1
1 1
0 0
0 0
1 0
1 0
0 1
0 1
1 1
1 1
0 0
0 0
1 0
1 0
0 1
0 1
1 1
1 1
A .
M
0 0
0 1
0 0
0 1
0 0
0 1
0 0
0 1
0 0
0 1
0 0
0 1
0 0
0 1
1 0
1 1
1 0
1 1
1 0
1 1
1 0
1 1
1 0
1 1
1 0
1 1
1 0
1 1
0 0
1 0
0 1
1 1
0 [
[
] 0
- ]
0
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
1 0
7 1
9 2
7 4
9 5
7 7
9 8
9 1
9 9
5 0
1 1
3 2
5 3
1 4
3 5
5 6
1 7
3 8
5 9
1 0
7 0
3 1
5 2
1 3
7 3
3 4
9 4
5 5
1 6
7 6
3 7
9 7
5 8
0
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
0 1
0 0
2 1
4 2
0 3
2 4
4 5
0 6
2 7
0 9
6 0
8 1
6 3
8 4
6 6
8 7
4 8
6 9
2 0
8 0
4 1
0 2
6 2
2 3
8 3
4 4
0 5
6 5
2 6
8 6
4 7
0 8
6 8
0
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
2
2
2
2
3
3
3
3
3
3
3
3
1 1
1 0
7 0
3 1
9 1
5 2
1 3
7 3
3 4
9 4
5 5
1 6
7 6
3 7
9 7
5 8
1 9
7 9
3 0
9 0
5 1
1 2
7 2
3 3
9 3
5 4
1 5
7 5
3 6
9 6
5 7
1 8
7 8
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
3
3
1
2
2
2
2
3
3
3
0 0
2 0
8 0
4 1
0 2
6 2
2 3
8 3
4 4
0 5
6 5
2 6
8 6
4 7
0 8
6 8
2 9
8 9
4 0
0 1
6 1
2 2
8 2
4 3
0 4
6 4
2 5
8 5
4 6
0 7
6 7
2 8
8 8
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3 0
9 0
5 1
7 2
3 3
9 3
5 4
7 5
3 6
9 6
5 7
7 8
3 9
9 9
7 1
9 2
7 4
9 5
7 7
9 8
1 0
1 2
1 5
1 8
5 0
1 1
3 2
5 3
1 4
3 5
5 6
1 7
3 8
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
4 0
0 1
6 1
2 2
4 3
0 4
6 4
2 5
4 6
0 7
6 7
2 8
4 9
0 0
6 0
2 1
4 2
0 3
2 4
4 5
0 6
2 7
4 8
0 9
0 1
8 2
8 5
8 8
8 1
6 3
8 4
6 6
8 7
1
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
3
3
2
2
2
3
3
3
3
1 1
5 0
1 1
7 1
3 2
9 2
5 3
1 4
7 4
3 5
9 5
5 6
1 7
7 7
3 8
9 8
5 9
1 0
7 0
3 1
9 1
5 2
1 3
7 3
3 4
9 4
5 5
1 6
7 6
3 7
9 7
5 8
1 9
0
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
2
3
3
3
3
3
3
4
ICS1574B
0 0
1 3
8 3
5 4
2 5
9 5
6 6
3 7
0 8
7 8
4 9
1 0
8 0
5 1
2 2
9 2
6 3
3 4
0 5
7 5
4 6
1 7
8 7
5 8
2 9
9 9
6 0
3 1
0 2
7 2
4 3
1 4
8 4
TSD
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