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PDF SYS89850U Data sheet ( Hoja de datos )
| Número de pieza | SYS89850U | |
| Descripción | Precision Low-Power LVPECL Line Driver/Receiver | |
| Fabricantes | MICREL | |
| Logotipo |  |
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SY89850U www.DataSheet4U.com
Precision Low-Power LVPECL Line
Driver/Receiver with Internal Termination
General Description
The SY89850U is a 2.5V/3.3V precision, high-speed,
differential receiver capable of handling clocks up to
4GHz and data streams up to 3.2Gbps.
The differential input includes Micrel's unique, 3-pin
input termination architecture that allows users to
interface to any differential signal (AC or DC-coupled)
as small as 100mV (200mVpp) without any level
shifting or termination resistor networks in the signal
path. The outputs are 800mV LVPECL, with extremely
fast rise/fall times guaranteed to be less than 160ps.
The SY89850U operates from a 2.5V ±5% supply or a
3.3V ±10% supply and is guaranteed over the full
industrial temperature range of –40°C to +85°C. The
SY89850U 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.
Typical Application
Features
Precision Edge™
• Guaranteed AC performance over temperature
and supply voltage:
– DC- to > 3.2Gbps data rate throughput
– 4GHz clock fmax (typ.)
– <280ps In-to-Out tpd
– <160ps tr/tf
• Low power: 50mW (2.5V typ.)
• Ultra-low jitter design:
– <1ps(rms) random jitter
– <10ps(pp) deterministic jitter
– <10ps(pp) total jitter (clock)
• Unique input termination and VT pin accepts DC-
and AC-coupled inputs (CML, PECL, LVDS)
• Typical 800mV (100k) LVPECL Output Swing
• Power supply 2.5V ±5% or 3.3V ±10%
• Industrial temperature range –40°C to +85°C
• Available in ultra-small (2mm x 2mm) 8-pin
MLF™ package
Applications
• Backplane buffering
• OC-12 to OC-192 SONET/SDN clock/data
distribution
• All Gigabit Ethernet clock or data distribution
• Fibre Channel distribution
Markets
• LAN/WAN
• Enterprise Servers
• ATE
• Test and Measurement
Precision Edge is a trademark of Micrel, Inc.
MicroLeadFrame and MLF are trademarks of Amkor Technology, Inc.
February 2005
M9999-020305
[email protected] or (408) 955-1690
1 page  
Micrel, Inc.
Single-Ended and Differential Swings
SY89850U
www.DataSheet4U.com
Figure 1a. Singled-Ended Voltage Swing
Timing Diagram
Figure 1b. Differential Voltage Swing
February 2005
5 M9999-020305
[email protected] or (408) 955-1690
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet SYS89850U.PDF ] | |
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| Número de pieza | Descripción | Fabricantes |
| SYS89850U | Precision Low-Power LVPECL Line Driver/Receiver | MICREL |
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