T FLIP-FLOP. HMC749LC3C Datasheet

HMC749LC3C FLIP-FLOP. Datasheet pdf. Equivalent

Part HMC749LC3C
Description T FLIP-FLOP
Feature HIGH SPEED LOGIC - SMT HMC749LC3C v06.0514 26 GHz, T FLIP-FLOP w/ RESET, PROGRAMMABLE OUTPUT VOLTAG.
Manufacture Analog Devices
Datasheet
Download HMC749LC3C Datasheet



HMC749LC3C
HMC749LC3C
v06.0514
26 GHz, T FLIP-FLOP w/ RESET, PROGRAMMABLE
OUTPUT VOLTAGE & POSITIVE SUPPLY
Typical Applications
The HMC749LC3C is ideal for:
• Serial Data Transmission up to 26 Gbps
• High Speed Frequency Divider (up to 26 GHz)
• Broadband Test & Measurement
• RF ATE Applications
Functional Diagram
Features
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.
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
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, TA = +25 ºC, Vcc = 3.3 V, VR = 3.3 V
Parameter
Conditions
Min.
Typ.
Max
Units
Power Supply Voltage
3
3.3
3.6
V
Power Supply Current
82
mA
Maximum Clock Rate
26
GHz
Input Voltage Range
Vcc - 1.5
Vcc + 0.5
V
Input Differential Range
0.1
2
Vp-p
1
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Trademarks and registered trademarks aArepthpelpircopaetrityoonf thSeiur rpesppeoctrivte: oPwhneorsn. e: 978-250-33A4p3plicoartioanpSpusp@pohrti:tPtihteo.nceo: 1m-800-ANALOG-D



HMC749LC3C
HMC749LC3C
v06.0514
26 GHz, T FLIP-FLOP w/ RESET, PROGRAMMABLE
OUTPUT VOLTAGE & POSITIVE SUPPLY
Electrical Specifications (continued)
Parameter
Conditions
Min.
Typ.
Max
Units
Input Return Loss
Frequency <13 GHz
10
dB
Output Amplitude
Single-Ended, peak-to-peak
Differential, peak-to-peak
550
1100
mVp-p
mVp-p
Output High Voltage
3.29
V
Output Low Voltage
2.74
V
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
[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 ouput.
DC Current vs. Supply Voltage [1] [2]
95
90
85
80
75
70
65
2.9 3 3.1 3.2 3.3 3.4 3.5 3.6 3.7
SUPPLY VOLTAGE (V)
+25C
+85C
-40C
Output Differential Voltage
vs. Supply Voltage [1] [2]
1200
1150
1100
1050
1000
950
900
850
800
2.9 3 3.1 3.2 3.3 3.4 3.5 3.6 3.7
SUPPLY VOLTAGE (V)
+25C
+85C
-40C
[1] VR = +3.3 V
[2] Frequency = 12 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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