HMC859LC3
v00.0910
26 GHz, DIVIDE-BY-8 WITH RESET &
PROGRAMMABLE OUTPUT VOLTAGE
Features
Supports Clock Frequencies up to 26 GHz
Differential or Single-Ended Operation
Fast Rise and Fall Times: 19 / 17 ps
Low Power Consumption: 320 mW typ.
Programmable Differential
Output Voltage Swing: 800 - 1900 mVp-p
Propagation Delay: 146 ps
Single Supply: -3.3 V
16 Lead Ceramic 3x3 mm SMT Package: 9 mm
2
Typical Applications
The HMC859LC3 is ideal for:
• High Speed Frequency Divider (up to 26 GHz)
3
HIGH SPEED LOGIC - SMT
• Clock Synthesis
• Phase Locked Loops
• Broadband Test & Measurement
Functional Diagram
General Description
The HMC859LC3 is a Divide-by-8 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. 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 HMC859LC3 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
HMC859LC3 also features an ouput level control pin,
VR, which allows for loss compensation or signal level
optimization. The HMC859LC3 operates from a single
-3.3 V supply and is available in ROHS-compliant 3x3
mm SMT package.
Electrical Specifications,
TA = +25 ºC Vee = -3.3 V, VR = 0 V
Parameter
Power Supply Voltage
Power Supply Current
Maximum Clock Rate
Input Voltage Range
Input Differential Range
Input Return Loss
Output Amplitude
Output High Voltage
Output Low Voltage
Frequency <25 GHz
Single-Ended, peak-to-peak
Differential, peak-to-peak
-1.5
0.1
10
825
1650
-15
-840
Conditions
Min.
-3.6
Typ.
-3.3
97
26
0.5
2.0
Max
-3.0
Units
V
mA
GHz
V
Vp-p
dB
mVp-p
mVp-p
mV
mV
3-1
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
HMC859LC3
v00.0910
26 GHz, DIVIDE-BY-8 WITH RESET &
PROGRAMMABLE OUTPUT VOLTAGE
Electrical Specifications
(continued)
Parameter
Output Rise / Fall Time
Output Return Loss
Random Jitter Jr
Propagation Delay Clock to Q, td
Propagation Delay Reset to Q, tdr
VR Pin Current
VR Pin Current
VR = 0.0 V
VR = 0.4 V
Conditions
Differential, 20% - 80%
Frequency <14 GHz
rms
[1]
Min.
Typ.
19 / 17
10
0.09
146
158
3
Max
Units
ps
dB
0.13
ps rms
ps
ps
3
HIGH SPEED LOGIC - SMT
mA
4.25
mA
[1] Added jitter calculated by de-embedding the clock source jitter.
DC Current vs. Supply Voltage
[1][2]
120
+25C
+85C
-40C
DC Current vs. VR
[2][3]
110
105
DC CURRENT (mA)
100
95
90
85
80
75
+25C
+85C
-40C
110
DC CURRENT (mA)
100
90
80
70
-3.7
-3.6
-3.5
-3.4
-3.3
-3.2
-3.1
-3
-2.9
70
-1.2
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
SUPPLY VOLTAGE (V)
VR (V)
Output Differential Voltage
vs. Supply Voltage
[1][2]
2200
VOUT DIFFERENTIAL (mVp-p)
2000
1800
1600
1400
1200
1000
-3.7
Output Differential Voltage vs. VR
[2][3]
2000
VOUT DIFFERENTIAL (mVp-p)
1800
1600
1400
1200
1000
800
600
-1.2
+25C
+85C
-40C
+25C
+85C
-40C
-3.6
-3.5
-3.4
-3.3
-3.2
-3.1
-3
-2.9
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
SUPPLY VOLTAGE (V)
VR (V)
[1] VR = 0.0 V
[2] Frequency = 28 GHz
[3] Vee = -3.3 V
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
3-2
HMC859LC3
v00.0910
26 GHz, DIVIDE-BY-8 WITH RESET &
PROGRAMMABLE OUTPUT VOLTAGE
Rise / Fall Time vs. VR
[2][3]
22
tr
tf
Rise / Fall Time vs. Supply Voltage
[1][2]
22
RISE/FALL TIME (ps)
RISE/FALL TIME (ps)
-3.2
-3.1
-3
3
HIGH SPEED LOGIC - SMT
20
tr
tf
20
18
18
16
16
14
14
-3.7
-3.6
-3.5
-3.4
-3.3
12
-1.2
-1
-0.8
-0.6
-0.4
VR (V)
-0.2
0
0.2
0.4
SUPPLY VOLTAGE (V)
Clock Output Return Loss
[1][2][3][4]
5
0
RETURN LOSS (dB)
Clock Input Return Loss
[1][2][3][4]
5
0
RETURN LOSS (dB)
-5
-10
-15
-20
-25
-30
-35
-40
-5
-10
-15
-20
-25
-30
-35
-40
0
3
6
9
12
15
18
21
24
27
30
FREQUENCY (GHz)
0
3
6
9
12
15
18
21
24
27
30
FREQUENCY (GHz)
Reset Input Return Loss
[1][2][3][4]
5
0
RETURN LOSS (dB)
-5
-10
-15
-20
-25
-30
-35
-40
0
3
6
9
12
15
18
21
24
27
30
FREQUENCY (GHz)
[1] VR = 0.0 V
[2] Frequency = 28 GHz
[3] Vee = -3.3 V
[4] Device measured on evaluation board with gating
3-3
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
HMC859LC3
v00.0910
26 GHz, DIVIDE-BY-8 WITH RESET &
PROGRAMMABLE OUTPUT VOLTAGE
Output Waveform
[1] Test Conditions:
Waveform generated with a CW signal source input at 28 GHz.
Diagram data presented on a Tektronix CSA 8000.
3
HIGH SPEED LOGIC - SMT
3-4
Timing Diagram
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
HMC859LC3
v00.0910
26 GHz, DIVIDE-BY-8 WITH RESET &
PROGRAMMABLE OUTPUT VOLTAGE
Absolute Maximum Ratings
Power Supply Voltage (Vee)
Input Signals
Output Signals
Continuous Pdiss (T = 85 °C)
(derate 17 mW/°C above 85 °C)
Thermal Resistance (R
th l-p
) Worst
Case Junction to Package Paddle
Storage Temperature
Operating Temperature
Maximum Junction Temperature
-3.75 V to +0.5 V
-2 V to +0.5 V
-1.5 V to +1 V
0.68 W
59 °C/W
-65 °C to +150 °C
-40 °C to +85 °C
125 °C
3
HIGH SPEED LOGIC - SMT
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
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 Vee.
3-5
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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