Microchip SY58030U Bedienungsanleitung
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Precision Edge
®
SY58030U
Micrel, Inc.
M9999-082707
[email protected] or (408) 955-1690
ULTRA PRECISION, 400mV
DIFFERENTIAL LVPECL 4:1 MUX with 1:2
FANOUT and INTERNAL TERMINATION
Precision Edge
®
SY58030U
Rev.: DAmendment: /0
Issue Date:August 2007
DESCRIPTION
■Selects 1 of 4 differential inputs
■Provides two copies of the selected input
■Guaranteed AC performance over temperature and
voltage:
•DC-to- >10.7Gbps data rate throughput
•<340ps IN-to-Out t
pd
•<80ps t
r
/t
f
times
■Ultra low-jitter design:
•<10ps
PP
total jitter (clock)
•<1ps
RMS
random jitter
•<10ps
PP
deterministic jitter
•< 0.7ps
RMS
crosstalk-induced jitter
■Unique patended input design minimizes crosstalk
■Accepts an input signal as low as 100mV
■Unique patended input termination and V
T
pin
accepts DC-coupled and AC-coupled inputs (CML,
LVPECL, LVDS)
■400mV 100k LVPECL output swing
■Power supply 2.5V ±5% or 3.3V ±10%
■–40°C to +85°C temperature range
■Available in 32-pin (5mm
××
××
× 5mm) MLF
®
package
FEATURES
APPLICATIONS
■Redundant clock and/or data distribution
■All SONET/SDH clock/data distribution
■Loopback
■All Fibre Channel distribution
■All Gigabit Ethernet clock and/or data distribution
The SY58030U is a 2.5V/3.3V precision, high-speed, 4:1
differential multiplexer with 400mV LVPECL outputs, capable
of handling clocks up to 7GHz and data streams up to
10.7Gbps. In addition, a 1:2 fanout buffer provides two copies
of the selected input.
The differential input includes Micrel’s unique, 3-pin input
termination architecture that allows customers to interface to
any differential signal (AC- or DC-coupled) as small as 100mV
without any level shifting or termination resistor networks in
the signal path. The result is a clean, stub-free, low-jitter
interface solution. The outputs are 400mV LVPECL (100K
temperature compensated) with extremely fast rise/fall times
guaranteed to be less than 80ps.
The SY58030U 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. For applications that
require CML outputs, consider the SY58028U. For 800mV
LVPECL outputs, consider the SY58029U. The SY58030U 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 PERFORMANCE
Precision Edge is a registered trademark of Micrel, Inc.
Micro
LeadFrame and MLF are registered trademarks of Amkor Technology, Inc.
Precision Edge
®
FUNCTIONAL BLOCK DIAGRAM
IN0
/IN0
V
T0
50Ω
50Ω
IN1
/IN1
V
T1
50Ω
50Ω
Q0
/Q0
0
1
MUX
4:1 MUX
1:2 Fanout
V
REF-AC0
IN2
/IN2
V
T2
50Ω
50Ω
V
REF-AC2
V
REF-AC1
2
IN3
/IN3
V
T3
50Ω
50Ω
V
REF-AC3
3
SEL0 (CMOS/TTL)
SEL1 (CMOS/TTL)
Q1
/Q1
2.5Gbps Output (2
23
–
1 PRBS)
TIME (100ps/div.)
Output Swing
(100mV/div.)
Produktspezifikationen
| Marke: | Microchip |
| Kategorie: | Nicht kategorisiert |
| Modell: | SY58030U |
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