1. Background
My Customer is looking for replacement of MB15F63UL (Cypress).

2. Customer’s goal
Looking for low cost PLL or clock generator in place of MB15F63UL ( IF block only in the previous page)
Vcc= 3.3V
Input 26MHz ( or 25MHz) TCXO
Output frequency
1) MHz
2) MHz
Require C/N > 80~ 90dB/Hz at center frequency at offset=1kHz
Low cost ( lower price ;1chip (2ch) or 2 chip)

3. My idea for Solution 1 CDCM6208
26MHz
(or 25MHz)
1:2
276.35MHz
369.95MHz
Solution 2
My idea for Solution 2A CDCM61001
2-A
26MHz
(or 25MHz)
1:1
369.95MHz
2-B
My idea for Solution 2B CDCI6214
26MHz
(or 25MHz)
1:1
276.35MHz

4. Question 1
In case CDCM61001, /300 MHz input are necessary for output is MHz .
Does it mean MHz = MHz?
Question 2
In case CDCM61001, I could not have MHz in Webench. (Clock tree builder alert) ….May be too low output frequency?
On the other hand, in case CDCI6214 , I could not have MHz
(Clock tree builder alert).. May be too high output frequency?
So, I think I have to suggest CDCM6208 , but its 8ch output. Cost is $5.2 at 1ku
Would you please advise another solution?
Don’t you have smaller (2~4ch) output version of CDCM6208?