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
Company
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