ADCLK948

Rev. 0 | Page 6 of

12

1. NC = NO CONNECT.

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

NOTES

PIN 1

INDICATOR

1

CLK0

2

CLK0

3

4

5

CLK1

6

CLK1

7

8

24 Q2

23 Q2

22 Q3

21 Q3

20 Q4

19 Q4

18 Q5

17 Q5

TOP VIEW

(Not to Scale)

ADCLK948

Figure 2. Pin Configuration

Table 7. Pin Function Descriptions

Pin No.

Mnemonic

Description

1

CLK0

Differential Input (Positive) 0.

2

CLK0

Differential Input (Negative) 0.

3

Reference Voltage. Reference voltage for biasing ac-coupled CLK0 and CLK0 inputs.

4

Center Tap. Center tap of a 100 Ω input resistor for CLK0 and CLK0 inputs.

5

CLK1

Differential Input (Positive) 1.

6

CLK1

Differential Input (Negative) 1.

7

Center Tap. Center tap of a 100 Ω input resistor for CLK1 and CLK1 inputs.

8

Reference Voltage. Reference voltage for biasing ac-coupled CLK1 and CLK1 inputs.

9

NC

No Connection.

10, 15, 16, 25, 26, 31

Positive Supply Pin.

11, 12

Q7, Q7

Differential LVPECL Outputs.

13, 14

Q6, Q6

Differential LVPECL Outputs.

17, 18

Q5, Q5

Differential LVPECL Outputs.

19, 20

Q4, Q4

Differential LVPECL Outputs.

21, 22

Q3, Q3

Differential LVPECL Outputs.

23, 24

Q2, Q2

Differential LVPECL Outputs.

27, 28

Q1, Q1

Differential LVPECL Outputs.

29, 30

Q0, Q0

Differential LVPECL Outputs.

32

IN_SEL

Input Select. Logic 0 selects CLK0 and CLK0 inputs. Logic 1 selects CLK1 and CLK1 inputs.

(33)

EPAD