VDD

VDD_driver

VDD

ZL40220

clk_p

clk_n

CMOS

Driver

R2

C

RA

R3

R1

Figure 12 - CMOS Input DC Coupled Referenced to Ground

Table 2 - Component Values for Single Ended Input Reference to Ground

VDD_driver

R1 (kΩ)

R2 (kΩ)

R3 (kΩ)

RA (kΩ)

C (pF)

1.5

1.25

3.075

open

10

10

1.8

1

3.8

open

10

10

2.5

0.33

4.2

open

10

10

3.3

0.75

open

4.2

10

10

ZL40220

Data Sheet

12

Microsemi Corporation

* For frequencies below 100 MHz, increase C to avoid signal integrity issues.