Datasheet > HMC749LC3C_11

HMC749LC3C_11

更新时间： 2022-11-07 17:41:51

品牌	Logo	应用领域
HITTITE		触发器输出元件
页数	文件大小	规格书
8页	457K
描述
26 GHz, T FLIP-FLOP w/ RESET, PROGRAMMABLE OUTPUT VOLTAGE & POSITIVE SUPPLY

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HMC749LC3C_11 数据手册

HMC749LC3C

v04.1010

26 GHz, T FLIP-FLOP w/ RESET, PROGRAMMABLE

OUTPUT VOLTAGE & POSITIVE SUPPLY

Typical Applications

Features

The HMC749LC3C is ideal for:

Supports Clock Frequencies up to 26 GHz

Differential & Single-Ended Operation

Fast Rise and Fall Times: 18 / 17 ps

Low Power Consumption: 270 mW typ.

• Serial Data Transmission up to 26 Gbps

• High Speed Frequency Divider (up to 26 GHz)

• Broadband Test & Measurement

• RF ATE Applications

Programmable Differential

Output Voltage Swing: 600 - 1100 mV

Propagation Delay: 95 ps

Single Supply: 3.3 V

16 Lead Ceramic 3x3 mm SMT Package: 9 mm²

Functional Diagram

General Description

The HMC749LC3C is a T Flip-Flop w/Reset desig-

ned to support clock frequencies as high as 26

GHz. During normal operation, with the reset pin not

asserted, the output toggles from its prior state on the

positive edge of the clock. This results in a divide-by-

two function of the clock input. Asserting the reset

pin forces the Q output low regardless of the clock

edge state (asynchronous reset assertion). Reversing

the clock inputs allows for negative-edge triggered

applications.

All differential inputs to the HMC749LC3C are CML

and terminated on-chip with 50 Ohms to the positive

supply, Vcc, and may be AC or DC coupled. The

differential CML outputs are source terminated to 50

Ohms and may also be AC or DC coupled. Outputs

can be connected directly to a 50 Ohm Vcc-terminated

system, while DC blocking capacitors may be used

if the terminating system is 50 Ohms to ground. The

HMC749LC3C also features an output level control pin,

VR, which allows for loss compensation or signal-level

optimazation. the HMC749LC3C operates from a single

3.3 V supply and is available in ROHS-compliant 3x3

mm SMT package.

Electrical Speciﬁcations, T_A= +25 ºC, Vcc = 3.3 V, VR = 3.3 V

Parameter

Conditions

Min.

Typ.

3.3

Max

3.6

Units

Power Supply Voltage

Power Supply Current

Maximum Clock Rate

Input Voltage Range

Input Differential Range

GHz

Vcc - 1.5

0.1

Vcc + 0.5

Vp-p

For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, 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

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