T FLIP-FLOP. HMC679LC3C Datasheet

HMC679LC3C FLIP-FLOP. Datasheet pdf. Equivalent

Part HMC679LC3C
Description T FLIP-FLOP
Feature v06.0514 HMC679LC3C 26 GHz, T FLIP-FLOP w/ RESET & PROGRAMMABLE OUTPUT VOLTAGE HIGH SPEED LOGIC - .
Manufacture Analog Devices
Datasheet
Download HMC679LC3C Datasheet



HMC679LC3C
v06.0514
HMC679LC3C
26 GHz, T FLIP-FLOP w/ RESET &
PROGRAMMABLE OUTPUT VOLTAGE
Typical Applications
The HMC679LC3C is ideal for:
• Serial Data Transmission up to 26 Gbps
• High Speed Frequency Divider (up to 26 GHz)
• Broadband Test & Measurement
• RF ATE Applications
Features
Supports Clock Frequencies up to 26 GHz
Differential or Single-Ended Operation
Fast Rise and Fall Times: 18 / 17 ps
Low Power Consumption: 270 mW typ.
Programmable Differential Output Voltage Swing:
600 - 1100 mVp-p
Propagation Delay: 95 ps
Single Supply: -3.3 V
16 Lead Ceramic 3 x 3 mm SMT Package: 9 mm2
Functional Diagram
General Description
The HMC679LC3C 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 HMC679LC3C 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
HMC679LC3C also features an ouput level control pin,
VR, which allows for loss compensation or signal level
optimization. The HMC679LC3C 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
Conditions
Min.
-3.6
Power Supply Current
Maximum Clock Rate
Input Voltage Range
-1.5
Input Differential Range
0.1
Input Return Loss
Output Amplitude
Frequency <23 GHz
Single-Ended, peak-to-peak
Differential, peak-to-peak
Output High Voltage
Output Low Voltage
Typ.
-3.3
82
26
10
550
1100
-10
-560
Max
Units
-3.0
V
mA
GHz
0.5
V
2.0
Vp-p
dB
mVp-p
mVp-p
mV
mV
1
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Trademarks and registered trademarks aArepthpelpircopaetrityoonf thSeiur rpesppeoctrivte: oPwhneorsn. e: 978-250-33A4p3plicoartioanpSpusp@pohrti:tPtihteo.nceo: 1m-800-ANALOG-D



HMC679LC3C
v06.0514
HMC679LC3C
26 GHz, T FLIP-FLOP w/ RESET &
PROGRAMMABLE OUTPUT VOLTAGE
Electrical Specifications (continued)
Parameter
Conditions
Min.
Typ.
Max
Units
Output Rise / Fall Time
Differential, 20% - 80%
18 / 17
ps
Output Return Loss
Frequency <13 GHz
10
dB
Random Jitter Jr
rms [1]
0.2
ps rms
Deterministic Jitter, Jd
peak-to-peak, 215-1 PRBS input [2]
2
ps, p-p
Propagation Delay Clock to Q, td
95
ps
Propagation Delay Reset to Q, tdr
125
ps
VR Pin Current
VR = 0.0 V
2
mA
VR Pin Current
VR = +0.4 V
3.5
mA
[1] Upper limit of random jitter, JR, determined by measuring and integrating output phase noise with a sinusodal input at 5, 10, and 13.5 GHz over
temperature.
[2] Deterministic jitter calculated by simultaneously measuring the jitter of a 200 mV, 12.5 GHz, 215-1 PRBS input, and a single-ended output
DC Current vs. Supply Voltage [1][2]
100
95
+25 C
+85 C
90
-40 C
85
80
75
70
65
60
-3.7 -3.6 -3.5 -3.4 -3.3 -3.2 -3.1 -3 -2.9
SUPPLY VOLTAGE (V)
Rise / Fall Time vs. Supply Voltage [1][3]
22
20
tr
tf
18
16
14
12
-3.7 -3.6 -3.5 -3.4 -3.3 -3.2 -3.1 -3 -2.9
SUPPLY VOLTAGE (V)
Output Differential Voltage vs.
Supply Voltage [1][2]
1500
1400
1300
+25C
+85C
-40C
1200
1100
1000
900
800
-3.7 -3.6 -3.5 -3.4 -3.3 -3.2 -3.1 -3 -2.9
SUPPLY VOLTAGE (V)
Output Differential Voltage
vs. Input Frequency [1]
1200
1100
1000
900
800
700
600
500
400
8
12
16
20
24
28
32
36
INPUT FREQUENCY (GHz)
[1] VR = 0.0 V
[2] Frequency = 13 GHz
[3] Frequency = 24 GHz
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2
Trademarks and registered trademarks aArepthpelpircopaetrityoonf thSeiur rpesppeoctrivte: oPwhneorsn. e: 978-250-33A4p3plicoartioanpSpusp@pohrti:tPtihteo.nceo: 1m-800-ANALOG-D





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