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PRODUCT BRIEF
HMC6545LP5E
DUAL CHANNEL
ADVANCED LINEAR EQUALIZER
Low-Power, High Performance, Fully
Programmable Dual-Channel Equalizer
Applications
100 GbE Line Card and Backplane
16G / 32G FC and 14G FDR / 28G EDR
10G / 100G Stress Eye Generation
Broadband Test and Measurement
Active Copper / Optical Cable Assemblies
12G SAS / SATA
Features
Data Rate Up to 32 Gbps
Dual Channel Receive (Rx) or Transmit (Tx)
Only Solution
Multi-UI Linear Analog Filter (9 Tap T/2 Spaced) for
Extending CTLE / DFE Based ASICs Performance
Automatic Gain Control (20 dB)
OOB Support
Integrated Variable Gain Amplifier with Differential
Sensitivity of Less Than 20 mVp-p
Programmable Receiver Gain and Multi-UI
Equalization Allows 20 dB Equalization
Extend Chromatic and Polarization Mode
Dispersion Tolerance
Programmable Pre-Emphasis and Differential
Output Amplitude
Output Squelch Functionality
Single 3.3V Power Supply Eliminating External
Regulators
5 x 5 mm 40-Pin QFN Package
-40° C to 95° C Operating Temperature
The HMC6545LP5E is a low power, high performance,
fully programmable dual channel asynchronous advanced
linear equalizer operating with data rates up to 32 Gbps.
The HMC6545LP5E is a protocol and data rate agnostic and
it can operate on the transmit path to pre-distort transmitted
signal in order to invert channel distortion or on the receiver
path to equalize the distorted and attenuated received signal.
The HMC6545LP5E is effective in dealing with chromatic and
polarization mode dispersion and inter-symbol interference (ISI)
caused by wide variety of transmission media, backplane and
or fiber, and channel lengths. HMC6545LP5E complements
CTLE / DFE based ASIC’s in effectively dealing with reflections,
crosstalk and ISI related issues.
The low power, high performance and feature rich HMC6545LP5E
is packaged in a 5 x 5 mm 32 pin QFN package. The device
uses a single 3.3V supply eliminating external regulators. The
HMC6545LP5E operates over a case temperature range of
-40° C up to 95° C.
RX0
Input
T÷2
AGC
LPF
T÷2
T÷2
RX1
RX0
Output
T÷2
Driver
c0
c1
c2
cn
Serial Control
Registers
RX1
Input
T÷2
AGC
LPF
T÷2
T÷2
RX1
Output
T÷2
Driver
c0
c1
c2
Functional Diagram
cn
HMC6545LP5E
Typical Applications
Unequalized Input at 20 dB Loss
Networking / Storage Server Applications:
Effective in dealing with reflections, crosstalk and insertion loss.
TX
HMC6545LP5E
RX
CON
1
CON
2
CON
3
MID
PLANE
HMC6545LP5E
TX
SERVER BLADE
RX
SWITCH
Active Copper Cable Assembly:
Compensate insertion losses up to 40 dB at Nyquist
HMC6545LP5E
HMC6545LP5E
9-TAP
FFE
9-TAP
FFE
AGC
Driver
AGC
Equalized Output
Driver
EXTEND DAC
CABLE LENGTH
14G FDR DAC
14G FDR DAC
40G RZ DQPSK Transponder:
Effective in extending link OSNR and chromatic dispersion
28.1 Gbps Eye Diagram for 100 GbE Applications
Modulator
Drivers
Tx (E to O) BLOCK
SFI-5
16
16:2 MUX
with CMU
Optical
Output
MZM
DQPSK
MODULATOR
Amplifier
PLL
PULSE
CARVER
Amplifier
25 GHz Clock
+8 Vp-p
x2
Phase
Shifter
Multiplier
CLOCK CHAIN COMPONENTS
SFI-5
16
2:16 DEMUX
with CDR
Rx (E to O) BLOCK
Optical
Input
HMC6545LP5E
DUAL-CHANNEL O/E
(BALANCED PD + TIA)
Pre-Emphasis Output Eye
DQPSK
DEMODULATOR
PLL
Related Products
HMC1027BG, Fully Programmable Asynchronous 13 x 13 Crosspoint
Switch with EQ
2 Elizabeth Drive • Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax
www.hittite.com • mil@hittite.com
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