For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824

Phone: 978-250-3343

Fax: 978-250-3373

Order On-line at www.hittite.com

Application Support: Phone: 978-250-3343 or apps@hittite.com

6

HMC954LC4B

v00.0511

32 Gbps, 2:1 MUX

WITH PROGRAMMABLE OUTPUT VOLTAGE

Pin Number

Function

Description

Interface Schematic

1, 6, 8, 11, 13, 18

GND

Signal Grounds

2, 3

4, 5

D1P, D1N

D2P, D2N

Differential Data Inputs: Current Mode Logic (CML)

referenced to positive supply.

7, 12, 14, 15, 22

N/C

The pins are not connected internally; however, all data

shown herein was measured with these pins connected to

RF/DC ground externally.

9, 10

CP, CN

Differential Clock Inputs: Current Mode Logic (CML)

referenced to positive supply.

16, 17

O1N, O1P

Differential Outputs: Current Mode Logic (CML) referenced

to positive supply

19, 24

GND

Supply Grounds

20, 23

Package Base

Vee

These pins and the exposed paddle must be

connected to the negative voltage supply.

21

VR

Output level control. Output level may be increased

or decreased by applying a voltage to VR per “Output

Differential vs. VR” plot.

Pin Descriptions