HMC720LP3E
v01.1010
14 Gbps, FAST RISE TIME 1:2 FANOUT BUFFER
w/ PROGRAMMABLE OUTPUT VOLTAGE
HIGH SPEED LOGIC - SMT
3
Typical Applications
Features
The HMC720LP3E is ideal for:
Inputs Terminated Internally in 50 Ohms
• 16 G Fiber Channel
Differential Inputs are DC Coupled
• RF ATE Applications
Propagation Delay: 120 ps
• Broadband Test & Measurement
Fast Rise and Fall Times: 19 / 18 ps
• Serial Data Transmission up to 14 Gbps
Programmable Differential Output
Voltage Swing: 600 - 1100 mVp-p
• Clock Buffering up to 14 GHz
Power Dissipation: 300 mW
Single Supply: -3.3 V
16 Lead 3x3 mm SMT Package: 9 mm2
General Description
Functional Diagram
The HMC720LP3E is a 1:2 Fanout Buffer designed to
support data transmission rates up to 14 Gbps, and
clock frequencies as high as 14 GHz.
All differential inputs to the HMC720LP3E are CML and
terminated on-chip with 50 Ohms to the positive supply,
GND, and may be DC or AC coupled. Outputs can be
connected directly to a 50 Ohm ground-terminated
system or drive devices with CML logic input. The
HMC720LP3E also features an ouput level control pin,
VR, which allows for loss compensation or signal level
optimization. The HMC720LP3E operates from a single
-3.3 V supply and is available in ROHS-compliant 3x3
mm SMT package.
Electrical Specifi cations, TA = +25 ºC, Vee = -3.3 V, VR = 0 V
Parameter
Conditions
Power Supply Voltage
Min.
Typ.
Max
-3.6
-3.3
-3.0
Units
V
Power Supply Current
90
mA
Maximum Data Rate
14
Gbps
Maximum Clock Rate
14
GHz
Input Voltage Range
-1.5
0.5
V
Input Differential Range
0.1
2.0
Vp-p
Input Return Loss
Frequency
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