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PDF SY58040U Data sheet ( Hoja de datos )
| Número de pieza | SY58040U | |
| Descripción | ULTRA PRECISION 4 X 4 CML SWITCH | |
| Fabricantes | Micrel Semiconductor | |
| Logotipo |  |
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Micrel
ULTRA PRECISION 4×4 CML
SWITCH WITH INTERNAL
I/O TERMINATION
Precision ESdYg5e8™040U
SY58040U
FEATURES
s Provides crosspoint switching between any input
pair to any output pair
s Guaranteed AC performance over temperature and
voltage:
• DC to >5Gbps throughput
• <350ps propagation delay
• <60ps tr / tf times
• <25ps skew (output-to-output)
s Unique, patent-pending, channel-to-channel
isolation design provides superior crosstalk
performance
s Ultra-low jitter design:
• <1psrms random jitter
• <10pspp deterministic jitter
• <10pspp total jitter (clock)
• <0.7psrms crosstalk-induced jitter
s Unique, patent-pending, 50Ω input termination
extended CMVR, and VT pin accepts DC- and AC-
coupled differential inputs
s 400mV CML output swing
s 50Ω source terminated outputs minimize round-trip
reflections
s Power supply 2.5V ±5% or 3.3V ±10%
s –40°C to +85°C temperature range
s Available in 44-pin (7mm × 7mm) MLF™ package
Precision Edge™
DESCRIPTION
The SY58040U is a low jitter, low skew, high-speed 4×4
crosspoint switch optimized for precision telecom and
enterprise server/storage distribution applications. The
SY58040U distributes clock frequencies from DC to 4GHz,
and data rates to 5Gbps guaranteed over temperature and
voltage.
The SY58040U 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 any level shifting or termination
resistor networks in the signal path. The outputs are 50Ω
source-terminated CML with extremely fast rise/fall times
guaranteed to be less than 60ps.
The SY58040U features a patent-pending isolation design
that significantly improves on channel-to-channel crosstalk
performance.
The SY58040U 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 SY58040U is part of Micrel’s
high-speed, Precision Edge™ product line.
Data sheets and support documentation can be found on
Micrel’s web site at www.micrel.com.
APPLICATIONS
s Data communication systems
s All SONET/SDH data/clock applications
s All Fibre Channel applications
s All Gigabit Ethernet applications
Precision Edge is a trademark of Micrel, Inc.
MLF and MicroLeadFrame are trademarks of Amkor Technology, Inc.
M9999-072904
[email protected] or (408) 955-1690
1
Rev.: A Amendment: /0
Issue Date: July 2004
1 page  
Micrel
SY58040U
CML OUTPUT DC ELECTRICAL CHARACTERISTICS(7)
VCC = 2.5V ±5% or 3.3V ±10%; TA= –40°C to +85°C; RL = 100Ω across each output pair, unless otherwise stated.
Symbol
Parameter
Condition
Min Typ
VOH Output HIGH Voltage
Q, /Q
VCC–0.040 VCC–0.010
VOUT
Output Differential Swing
Q, /Q
See Figure 1a.
325 400
VDIFF_OUT
Differential Output Voltage Swing See Figure 1b.
Q, /Q
650 800
ROUT
Output Source Impedance
40 50
Max
VCC
60
Units
V
mV
mV
Ω
LVTTL/CMOS DC ELECTRICAL CHARACTERISTICS(7)
VCC = 2.5V ±5% or 3.3V ±10%; TA= –40°C to +85°C, unless otherwise stated.
Symbol
Parameter
Condition
Min Typ
VIH Input HIGH Voltage
VIL Input LOW Voltage
IIH Input HIGH Current
IIL Input LOW Current
VIL = 0V.
2.0
–125
–300
Note:
7. The circuit is designed to meet the DC specifications shown in the above table after thermal equilibrium has been established.
Max
VCC
0.8
30
Units
V
V
µA
µA
M9999-072904
[email protected] or (408) 955-1690
5
5 Page 
Micrel
44 LEAD MicroLeadFrame™ (MLF-44)
SY58040U
Package
EP- Exposed Pad
Die
CompSide Island
Heat Dissipation
Heat Dissipation
Heavy Copper Plane
Heavy Copper Plane
VEE
VEE
PCB Thermal Consideration for 44-Pin MLF™ Package
(Always solder, or equivalent, the exposed pad to the PCB)
Package Notes:
1. Package meets Level 2 qualification.
2. All parts are dry-packaged before shipment.
3. Exposed pads must be soldered to a ground for proper thermal management.
MICREL, INC. 1849 FORTUNE DRIVE SAN JOSE, CA 95131 USA
TEL + 1 (408) 944-0800 FAX + 1 (408) 474-1000 WEB http://www.micrel.com
The information furnished by Micrel in this data sheet is believed to be accurate and reliable. However, no responsibility is assumed by Micrel for its use.
Micrel reserves the right to change circuitry and specifications at any time without notification to the customer.
Micrel Products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product can
reasonably be expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical implant into
the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. A Purchaser’s
use or sale of Micrel Products for use in life support appliances, devices or systems is at Purchaser’s own risk and Purchaser agrees to fully indemnify
Micrel for any damages resulting from such use or sale.
© 2004 Micrel, Incorporated.
M9999-072904
[email protected] or (408) 955-1690
11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet SY58040U.PDF ] | |
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