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SY89859U

Features: • Selects between 1 of 8 inputs, and provides 2 precision, low skew 100K-compatible LVPECL output copies• Low power: 150mW typ. (2.5V)• Guaranteed AC performance over temperature and voltage: DC to >2.5Gbps DC to >2.5GHz <690ps propagation delay <180ps tr/tf time <20ps ...

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SeekIC No. : 004510397 Detail

SY89859U: Features: • Selects between 1 of 8 inputs, and provides 2 precision, low skew 100K-compatible LVPECL output copies• Low power: 150mW typ. (2.5V)• Guaranteed AC performance over tem...

SY89859U Data Sheet

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Part Number:
SY89859U
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/23

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Product Details

Description



Features:

• Selects between 1 of 8 inputs, and provides 2 precision, low skew 100K-compatible LVPECL output copies
• Low power: 150mW typ. (2.5V)
• Guaranteed AC performance over temperature and voltage:
DC to >2.5Gbps
DC to >2.5GHz
<690ps propagation delay
<180ps tr/tf time
<20ps skew (output-to-output)
• Unique, patent-pending channel-to-channel isolation design provides superior crosstalk performance
• Ultra-low jitter design:
<1psRMS random jitter
<10psPP deterministic jitter
<10psPP total jitter (clock)
<1psRMS cycle-to-cycle jitter
<0.7psRMS crosstalk-induced jitter
• Unique, patented input termination and VT pin accepts DC- and AC-coupled inputs (CML, PECL, LVDS)
• Power supply 2.5V ±5% or 3.3V ±10%
• 40°C to +85°C industrial temperature range
• Available in 44-pin (7mm x 7mm) MLF® package




Application

• Data communication systems
• All SONET/SDH data/clock applications
• All Fibre Channel applications
• All Gigabit Ethernet applications




Pinout

Connection Diagram




Specifications

Supply Voltage (VCC) .......................... 0.5V to +4.0V
Input Voltage
SEL0, SEL1, SEL2 ...............................0.5V to VCC
IN0, /IN0, IN1, /IN1,./IN7, /IN7 ....... 0.5V to VCC
LVPECL Output Current (IOUT)
Continuous..................................................±50mA
Surge ...................................................... .±100mA
Termination Current
Source or sink current
VT0, VT1, VT2,.VT7..................................±100mA
Input Current
Source or sink current
IN0, /IN0, IN1, /IN1,.IN7, /IN7 ...................±50mA
VREF Output Current
VREF-AC0, VREF-AC1., VREF-AC3................±2mA
Lead Temperature (soldering, 20 sec.) .......... +260°C
Storage Temperature (Ts) ............. 65°C to 150°C




Description

The SY89859U is a low jitter, low-power, high-speed 8:1 multiplexer with a 1:2 differential fanout buffer optimized for precision telecom and enterprise server distribution applications. The SY89859U distributes clock frequencies from DC to >2.5GHz, and data rates to 2.5Gbps guaranteed over temperature and voltage. The SY89859U differential input includes Micrel's unique, 3-pin input termination architecture that directly interfaces to any differential signal (AC- or DC-coupled) as small as 100mV (200mVpp) without level shifting or termination resistor networks in the signal path. The outputs are 800mV, 100K-compatible LVPECL with extremely fast rise/fall time guaranteed to be less than 180ps.

The SY89859U features a patent-pending isolation design that significantly improves on channel-tochannel crosstalk-induced jitter performance.

The SY89859U operates from a 2.5V ±5% or 3.3V ±10% supply and is guaranteed over the full industrial temperature range of 40°C to +85°C. The SY89859U is part of Micrel's high-speed, Precision Edge® product line.All support documentation can be found on Micrel's web site at: www.micrel.com.






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