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

HMC953LC4B

v03.0914

14 Gbps, DUAL D-TYPE FLIP-FLOP WTH COMMON CLOCK

& 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 Inputs: Current Mode Logic (CML)

referenced to positive supply.

7, 12, 22

N/C

No connection necessary. These pins may be connected to

RF/DC ground without affecting performance.

9, 10

CP, CN

Differential Clock Inputs: Current Mode Logic (CML)

referenced to positive supply.

14, 15,

16, 17

Q2N, Q2P,

Q1N, Q1P

Differential Outputs: Current Mode Logic (CML)

referenced to positive supply.

19, 24

GND

Supply Ground

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