Differential 5:1 or 4:1 ECL/PECL Multiplexers

with Single/Dual Output Buffers

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7

PIN

MAX9387

NAME

FUNCTION

1, 18, 24

as close to the device as possible with the smaller value capacitor closest to the device.

2

D0

Noninverting Differential Input 0. Internal 250k

3

D0

Inverting Differential Input 0. Internal 150k

4

D1

Noninverting Differential Input 1. Internal 250k

5

D1

Inverting Differential Input 1. Internal 150k

6

D2

Noninverting Differential Input 2. Internal 250k

7

D2

Inverting Differential Input 2. Internal 150k

8

D3

Noninverting Differential Input 3. Internal 250k

9

D3

Inverting Differential Input 3. Internal 150k

10

D4

Noninverting Differential Input 4. Internal 250k

11

D4

Inverting Differential Input 4. Internal 150k

12, 13

Negative Supply

14

Reference Output Voltage 2. Connect to the inverting or noninverting data input to provide a reference for

leave open.

15

Reference Output Voltage 1. Connect to the inverting or noninverting data input to provide a reference for

leave open.

16

Q1

Inverting Output 1. Typically terminate with 50

17

Q1

Noninverting Output 1. Typically terminate with 50

19

Q0

Inverting Output 0. Typically terminate with 50

20

Q0

Noninverting Output 0. Typically terminate with 50

21

SEL0

Select Logic Input 0. Internal 120k

22

SEL1

Select Logic Input 1. Internal 120k

23

SEL2

Select Logic Input 2. Internal 120k

MAX9387 Pin Description