HMC744LC3C [HITTITE]
13 Gbps, FAST RISE TIME 1:2 FANOUT BUFFER w/ PROGRAMMABLE OUTPUT VOLTAGE & POSITIVE SUPPLY; 13 Gbps的，快速上升时间1 ： 2扇出缓冲器W /可编程输出电压与正电源
| 型号： | HMC744LC3C |
| 厂家： | 
HITTITE MICROWAVE CORPORATION |
| 描述： | 13 Gbps, FAST RISE TIME 1:2 FANOUT BUFFER w/ PROGRAMMABLE OUTPUT VOLTAGE & POSITIVE SUPPLY |
| 文件： | 总8页 (文件大小：278K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
HMC744LC3C
v01.1208
13 Gbps, FAST RISE TIME 1:2 FANOUT BUFFER
w/ PROGRAMMABLE OUTPUT VOLTAGE & POSITIVE SUPPLY
Typical Applications
Features
The HMC744LC3C is ideal for:
• RF ATE Applications
Inputs Terminated Internally in 50 Ohms
Differential & Single-Ended Operation
Propagation Delay: 120 ps
• Broadband Test & Measurement
• Serial Data Transmission up to 13 Gbps
• Clock Buffering up to 13 GHz
7
Fast Rise and Fall Times: 22 / 20 ps
Programmable Differential
Output Voltage Swing: 600 - 1100 mV
Low Power Consumption: 287 mW typ.
Single Supply: +3.3V
16 Lead Ceramic 3x3mm SMT Package: 9mm2
General Description
Functional Diagram
The HMC744LC3C is a 1:2 Fanout Buffer designed to
support data transmission rates up to 13 Gbps, and
clock frequencies as high as 13 GHz. The HMC744-
LC3C also features an output level control pin, VR,
which allows for loss compensation or for signal level
optimization.
All input and output signals to the HMC744LC3C are
terminated with 50 Ohms to Vcc on-chip, and may
be either AC or DC coupled. Inputs or outputs can
be connected directly to a 50 Ohm to Vcc terminated
system, while DC blocking capacitors may be used
if the terminating system is 50 Ohms to ground. The
HMC744LC3C operates from a single +3.3V DC supply,
and is available in a ceramic RoHS compliant 3x3 mm
SMT package.
Electrical Specifications, TA = +25ºC Vcc = +3.3V
Parameter
Conditions
Min.
3.0
Typ.
3.3
87
Max
3.6
Units
V
Power Supply Voltage
Power Supply Current
Maximum Data Rate
Maximum Clock Rate
Input High Voltage
Input Low Voltage
Input Return Loss
mA
Gbps
GHz
V
13
13
2.8
2.1
3.8
3.3
V
Frequency <13 GHz
Single-Ended, peak-to-peak
Differential, peak-to-peak
10
550
dB
mVpp
mVpp
V
Output Amplitude
1100
3.25
2
Output High Voltage
Output Low Voltage
Output Rise / Fall Time
V
Single-Ended, 20% - 80%
22 / 20
ps
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
7 - 138
HMC744LC3C
v01.1208
13 Gbps, FAST RISE TIME 1:2 FANOUT BUFFER
w/ PROGRAMMABLE OUTPUT VOLTAGE & POSITIVE SUPPLY
Electrical Specifications, (continued)
Parameter
Output Return Loss
Small Signal Gain
Random Jitter J
Conditions
Min.
Typ.
10
Max
Units
dB
Frequency <13 GHz
27
dB
rms
0.2
6
ps rms
ps
R
7
Deterministic Jitter, J
δ - δ, 215-1 PRBS input [1]
2
120
0
D
Propagation Delay, td
ps
D1 to D2 Data Skew, t
ps
SKEW
[1] Deterministic jitter measured at 13 GHz with a 300 mVpp, 215-1 PRBS input sequence.
DC Current vs. Supply Voltage [1] [2]
Output Differential vs. Supply Voltage [1] [2]
110
1200
105
1175
+25C
+85C
+25C
+85C
-40C
100
95
90
85
80
75
70
1150
1125
1100
1075
1050
1025
1000
-40C
2.9
3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
2.9
3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
Rise / Fall Time vs. Supply Voltage [1] [2]
Output Differential vs. Frequency [1]
25
1400
1200
1000
800
23
21
19
tr
tf
600
17
15
400
2
4
6
8
10
12
14
16
18
2.9
3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
FREQUENCY (GHz)
SUPPLY VOLTAGE (V)
[1] VR = +3.3V
[2] Frequency = 13 GHz
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
7 - 139
HMC744LC3C
v01.1208
13 Gbps, FAST RISE TIME 1:2 FANOUT BUFFER
w/ PROGRAMMABLE OUTPUT VOLTAGE & POSITIVE SUPPLY
Output Differential vs. VR [2]
Rise / Fall Time vs. VR [2]
110
105
100
95
25
tr
tf
+25C
+85C
-40C
23
21
19
17
15
7
90
85
80
75
70
2.9
3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
2.1
2.3
2.5
2.7
2.9
3.1
3.3
3.5
3.7
SUPPLY VOLTAGE (V)
VR (V)
Input Return Loss vs. Frequency
Output Return Loss vs. Frequency
0
0
-5
-10
-15
-20
-25
-30
-35
-5
-10
-15
-20
-25
-30
0
2
4
6
8
10
12
14
0
2
4
6
8
10
12
14
FREQUENCY (GHz)
FREQUENCY (GHz)
[1] VR = +3.3V
[2] Frequency = 13 GHz
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
7 - 140
HMC744LC3C
v01.1208
13 Gbps, FAST RISE TIME 1:2 FANOUT BUFFER
w/ PROGRAMMABLE OUTPUT VOLTAGE & POSITIVE SUPPLY
Eye Diagram
[1] Test Conditions:
Pattern generated with an Agilent N4903A Serial BERT.
Eye Diagram presented on a Tektronix CSA 8000.
Device input = 13 Gbps PN code. Both output channels shown.
Device is AC coupled to scope
7
Timing Diagram
Truth Table
Input
DIN
L
Outputs
D1
L
D2
L
H
H
H
Notes:
DIN = DINP - DINN
D1 = D1P - D1N
D2 = D2P - D2N
H - Positive differential voltage
L - Negative differential voltage
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
7 - 141
HMC744LC3C
v01.1208
13 Gbps, FAST RISE TIME 1:2 FANOUT BUFFER
w/ PROGRAMMABLE OUTPUT VOLTAGE & POSITIVE SUPPLY
Absolute Maximum Ratings
Power Supply Voltage (Vcc)
-0.5V to +3.7V
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
Input Signals
Vcc - 2V to Vcc + 0.5V
+1V to +3.7V
Output Signals
Storage Temperature
Operating Temperature
-65°C to +150°C
-40°C to +85°C
7
Outline Drawing
NOTES:
1. PACKAGE BODY MATERIAL: ALUMINA
2. LEAD AND GROUND PADDLE PLATING:
30-80 MICROINCHES GOLD OVER 50 MICROINCHES MINIMUM NICKEL.
3. DIMENSIONS ARE IN INCHES [MILLIMETERS].
4. LEAD SPACING TOLERANCE IS NON-CUMULATIVE.
5. PACKAGE WARP SHALL NOT EXCEED 0.05mm DATUM -C-
6. ALL GROUND LEADS MUST BE SOLDERED TO PCB RF GROUND.
7. PADDLE MUST BE SOLDERED TO GND.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
7 - 142
HMC744LC3C
v01.1208
13 Gbps, FAST RISE TIME 1:2 FANOUT BUFFER
w/ PROGRAMMABLE OUTPUT VOLTAGE & POSITIVE SUPPLY
Pin Descriptions
Pin Number
Function
Description
Interface Schematic
1, 4, 5, 8, 9, 12
GND
Signal Grounds
7
D1P,
D1N
2, 3
Clock / Data Output Port 1
6, 7
DINP, DINN
Clock / Data Inputs
D2N
D2P
10, 11
13, 16
Clock / Data Output Port 2
Vcc
Positive Supply
Supply Ground
14,
GND
Package Base
Output level control. Output level may be
adjusted by applying a voltage to VR per
“Output Differential vs. VR” plot.
15
VR
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
7 - 143
HMC744LC3C
v01.1208
13 Gbps, FAST RISE TIME 1:2 FANOUT BUFFER
w/ PROGRAMMABLE OUTPUT VOLTAGE & POSITIVE SUPPLY
Evaluation PCB
7
Item
J1
Description
D1P
J2
J3
J4
J5
J6
J7
J8
J9
D1N
DINP
DINN
D2N
D2P
GND
VR
Vcc
List of Materials for Evaluation PCB 122517 [1]
The circuit board used in the final application sho-
uld use RF circuit design techniques. Signal lines
should have 50 ohm impedance while the package
ground leads should be connected directly to the
ground plane similar to that shown. The exposed
packaged base should be connected to GND. A
sufficient number of via holes should be used to
connect the top and bottom ground planes. The
evaluation circuit board shown is available from
Hittite upon request.
Item
Description
J1 - J6
J7 - J9
JP1
PCB Mount SMA RF Connectors
DC Pin
Shorting Jumper
C1, C2
C3 - C5
R2
4.7 μF Capacitor, Tantalum
100 pF Capacitor, 0402 Pkg.
10 Ohm Resistor, 0603 Pkg.
HMC744LC3C
High Speed Logic, Fanout Buffer
U1
[2]
PCB
122515 Evaluation Board
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material: Arlon 25FR
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
7 - 144
HMC744LC3C
v01.1208
13 Gbps, FAST RISE TIME 1:2 FANOUT BUFFER
w/ PROGRAMMABLE OUTPUT VOLTAGE & POSITIVE SUPPLY
Application Circuit
7
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
7 - 145
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