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SY89853U_10 Datasheet, PDF (1/13 Pages) Micrel Semiconductor – Precision Low-Power Dual 2:1 LVPECL MUX | |||
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SY89853U
Precision Low-Power Dual 2:1 LVPECL MUX
with Internal Termination
General Description
The SY89853U features two, low jitter 2:1 differential
multiplexers with 100K LVPECL (800mV) compatible
outputs, capable of handling clocks up to 2.5GHz and
data streams up to 2.5Gbps.
The SY89853U differential inputs include Micrelâs
unique, 3-input termination architecture that allows
users to interface to any differential signal (AC- or DC-
Coupled) as small as 100mV without any level shifting
or termination resistors networks in the signal path. The
result is a clean, stub-free, low jitter interface solution.
The differential 800mV LVPECL outputs have fast
rise/fall times guaranteed to be less than 180ps.
The SY89853U operates from a 2.5V ±5% or a 3.3V
±10% supply, and is guaranteed over the full industrial
temperature range (â40°C to +85°C). For applications
that require higher performance, consider the
SY58026U. The SY89853U is part of Micrel's Precision
Edge® product family.
All support documentation can be found on Micrelâs web
site at www.micrel.com.
Features
Precision Edge®
⢠Dual 2:1 MUX, each channel selects from inputs
⢠Unique, patent-pending input isolation design
minimizes crosstalk
⢠Low power 210mW (VCC = 2.5V)
⢠Guaranteed AC performance over temperature and
voltage:
- DC-to->2.5Gbps data rate throughput
- <360ps IN-to-Q tpd
- <180ps tr/tf times
⢠Ultra-low jitter design:
- <1psRMS random jitter
- <10psPP deterministic jitter
- <10psPP total jitter (clock)
- <0.7psRMS crosstalk-induced jitter
⢠Unique, patent-pending 50⦠input termination and
VT pin accepts DC- and AC-coupled inputs (CML,
LVDS, PECL)
⢠800mV LVPECL output swing
⢠Power supply 2.5V ±5% or 3.3V ±10%
⢠â40°C to +85°C temperature range
⢠Available in 32-pin (5mm x 5mm) QFN package
Applications
⢠Data communication systems
⢠All SONET OC-3 to OC-48 applications
⢠All Fibre Channel applications
⢠All GigE applications
Markets
⢠LAN/WAN communication
⢠Enterprise servers
⢠ATE
⢠Test and measurement
Precision Edge is a registered trademark of Micrel, Inc
Micrel Inc. ⢠2180 Fortune Drive ⢠San Jose, CA 95131 ⢠USA ⢠tel +1 (408) 944-0800 ⢠fax + 1 (408) 474-1000 ⢠http://www.micrel.com
August 2007
M9999-082907-C
hbwhelp@micrel.com or (408) 955-1690
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