SY55856UHGTR MICREL [Micrel Semiconductor], SY55856UHGTR Datasheet

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SY55856UHGTR

Manufacturer Part Number
SY55856UHGTR
Description
2.5V/3.3V 2.5GHz DIFFERENTIAL 2-CHANNEL PRECISION CML DELAY LINE
Manufacturer
MICREL [Micrel Semiconductor]
Datasheet
Micrel, Inc.
SuperLite is a trademarks of Micrel, Inc.
M9999-011207
hbwhelp@micrel.com or (408) 955-1690
FEATURES
APPLICATIONS
Guaranteed AC parameters over temp and voltage
• > 2.5GHz f
• < 384ps prop delay
• < 120ps t
Delay either clock or data
50ps increments
Source terminated CML outputs
Full differential I/O
Wide supply voltage spectrum: 2.3V to 3.6V
Available in a tiny 32-pin EPAD-TQFP package
Data communications systems
Telecom systems
High-speed backplanes
Signal de-skewing
Pulse alignment
Digitally controlled delay lines
350ps total delay
r
/t
MAX
f
2.5V/3.3V 2.5GHz
DIFFERENTIAL 2-CHANNEL
PRECISION CML DELAY LINE
1
CML (Current Mode Logic) delay line. The device is
optimized to adjust the relative delay between two channels,
such as clock and data, in 50ps increments. Both inputs
may be adjusted in either direction in 7 increments of 50ps,
for a total adjustment range of
clock input maybe inverted through the CINV control pin.
ended or differential CML signals. The differential CML
outputs are optimized for 50 loads (50 source terminated),
thus only requires a single 100
pair. Output rise and fall time is an extremely fast 110ps(max)
and the differential swing is 400mV. The maximum
throughput of the SY55856U is guaranteed to exceed
2.5GHz (5Gbps).
DESCRIPTION
The SY55856U is a 2.5GHz, two-channel, fully differential
The SY55856U inputs are designed to accept single-
resistor across the output
350ps. In addition, the
Rev.: E
Issue Date: January 2007
SuperLite™
SY55856U
SuperLite™
SuperLite™
Amendment: /0
SY55856U

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SY55856UHGTR Summary of contents

Page 1

Micrel, Inc. FEATURES Guaranteed AC parameters over temp and voltage • > 2.5GHz f MAX • < 384ps prop delay • < 120ps Delay either clock or data 50ps increments 350ps total delay Source terminated CML ...

Page 2

... H32-1 (2) SY55856UHITR H32-1 (3) SY55856UHG H32-1 (2, 3) SY55856UHGTR H32-1 Notes: 1. Contact factory for die availability. Dice are guaranteed Tape and Reel. 3. Pb-Free package recommended for new designs. Pin Function CML Input (Differential). This is one of the CML inputs, the data in signal. A delayed version of this signal appears at DATA_OUT, /DATA_OUT ...

Page 3

Micrel, Inc. BLOCK DIAGRAM VCC DATA_IN INPUT /DATA_IN BUFFER 5k LVL V = 1.3V 5k REF CLK_IN INPUT /CLK_IN BUFFER CINV GND M9999-011207 hbwhelp@micrel.com or (408) 955-1690 ...

Page 4

Micrel, Inc. FUNCTIONAL DESCRIPTION Establishing Static Logic Inputs The true pin of a CML input pair is internally biased to ground through a 75k resistor. The complement pin of a CML input pair is internally biased halfway between V and ...

Page 5

Micrel, Inc. ABSOLUTE MAXIMUM RATINGS Symbol V Power Supply Voltage CC V Input Voltage IN V CML Output Voltage OUT T Operating Temperature Range A T LeadcTemperature (soldering, 20sec.) LEAD T Storage Temperature Range store Package Thermal Resistance JA (Junction-to-Ambient) ...

Page 6

Micrel, Inc. TRUTH TABLES DATA_IN CLK_IN CINV Note: 1. Table 2 defines the approximate relative delay between the two paths. For example, if ...

Page 7

Micrel, Inc. DC ELECTRICAL CHARACTERISTICS Symbol Parameter V Power Supply Voltage CC I Power Supply Current CC VT INPUTS DC ELECTRICAL CHARACTERISTICS = 2.3V to 3.6V; GND = 0V – + Symbol ...

Page 8

Micrel, Inc. AC ELECTRICAL CHARACTERISTICS = 2.3V to 3.6V; GND = Symbol Parameter f Maximum Frequency MAX t Delay step size (8) t Delay line insertion delay PLH t PHL t Delay line range DELAY t Output ...

Page 9

Micrel, Inc. 32-PIN EPAD-TQFP (DIE UP) (H32-1) MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA + 1 (408) 944-0800 TEL The information furnished by Micrel in this datasheet is believed to be accurate and reliable. However, no responsibility ...

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