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PDF SY55857L Data sheet ( Hoja de datos )

Número de pieza SY55857L
Descripción ANY INPUT-to-LVPECL DIFFERENTIAL TRANSLATOR
Fabricantes Micrel Semiconductor 
Logotipo Micrel Semiconductor Logotipo



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No Preview Available ! SY55857L Hoja de datos, Descripción, Manual

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Micrel, Inc.
3.3V 2.5Gbps
ANY INPUT-to-LVPECL
DIFFERENTIAL TRANSLATOR
Precision Edge®
Precision ESdY8g9e3®27L
SY89327L
FEATURES
s Input accepts virtually all logic standards:
• Single-ended: SSTL, TTL, CMOS
• Differential: LVDS, HSTL, CML
s Guaranteed AC performance over temp and voltage:
• DC-to >2.5Gbps data rate throughput
• DC-to >2.5GHz clock fMAX
• < 400ps In-to-Out tpd
• < 200ps tr/tf
s Ultra-low jitter design:
• <1psRMS random jitter
• <10psPP deterministic jitter
• <1psRMS cycle-to-cycle jitter
• <10psPP total jitter (clock)
s Low power: 46mW (typ)
s 100k LVPECL output
s Flow-through pinout and fully differential design
s Power supply 3.3V ±10%
s –40°C to +85°C temperature range
s Available in ultra-small 8-lead 2mm × 2mm MLF™
package
Precision Edge®
DESCRIPTION
The SY89327L is a fully differential, high-speed translator
optimized to accept any logic standard from single-ended
TTL/CMOS to differential LVDS, HSTL, or CML and translate
it to LVPECL. Translation is guaranteed for speeds up to
2.5Gbps (2.5GHz toggle frequency). The SY89327L does
not internally terminate its inputs because different interfacing
standards have different termination requirements.
The SY89327L is a member of Micrel’s Precision Edge®
family of high-speed logic devices. This family features ultra-
small packaging, as well as high signal integrity and
operation at many different supply voltages.
All support documentation can be found on Micrel’s web
site at www.micrel.com.
APPLICATIONS
s High-speed logic
s Data communications systems
s Wireless communications systems
s Telecom systems
FUNCTIONAL BLOCK DIAGRAM
NC 1
ANY IN IN 2
/IN 3
NC 4
8 VCC
7 Q LVPECL OUT
6 /Q
5 VEE
8-Lead MLF™ (2mm × 2mm)
TYPICAL APPLICATIONS CIRCUIT
Backplane
SY89327L
100mV Input Swing
800mV Output Swing (LVPECL)
100mV
800mV
LVPECL
Input Waveform
Output Waveform
Precision Edge is a registered trademark of Micrel, Inc.
MicroLeadFrame and MLF are trademarks of Amkor Technology, Inc.
M9999-072005
[email protected] or (408) 955-1690
1
Rev.: B Amendment: /0
Issue Date: July 2005

1 page




SY55857L pdf
Micrel, Inc.
SINGLE-ENDED AND DIFFERENTIAL SWINGS
Precision Edge®
SY89327L
VOUT 800mV (Typ.)
Figure 2a. Single-Ended Voltage Swing
VDIFF_OUT 1600mV (Typ.)
Figure 2b. Differential Voltage Swing
TIMING DIAGRAM
IN
/IN
Q
/Q
tpd
Figure 3. Timing Diagram
M9999-072005
[email protected] or (408) 955-1690
5

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