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PDF SY54017AR Data sheet ( Hoja de datos )
| Número de pieza | SY54017AR | |
| Descripción | Low Voltage 1.2V/1.8V CML 2:1 MUX | |
| Fabricantes | Micrel Semiconductor | |
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SY54017AR
Low Voltage 1.2V/1.8V CML 2:1 MUX
3.2Gbps, 2.5GHz
General Description
The SY54017AR is a fully differential, low voltage
1.2V/1.8V CML 2:1 MUX. The SY54017AR can process
clock signals as fast as 3.2GHz or data patterns up to
3.2Gbps.
The differential input includes Micrel’s unique, 3-pin
input termination architecture that interfaces to LVPECL,
LVDS or CML differential signals, (AC- or DC-coupled
from a 2.5V driver) as small as 100mV (200mVPP)
without any level-shifting or termination resistor
networks in the signal path. For AC-coupled input
interface applications, an internal voltage reference is
provided to bias the VT pin. The outputs are CML, with
extremely fast rise/fall times guaranteed to be less than
95ps.
The SY54017AR operates from a 2.5V ±5% core supply
and a 1.8V or 1.2V ±5% output supply and is
guaranteed over the full industrial temperature range
(–40°C to +85°C). The SY54017AR is part of Micrel’s
high-speed, Precision Edge® product line.
Datasheets and support documentation can be found on
Micrel’s web site at: www.micrel.com.
Functional Block Diagram
Features
Precision Edge®
∑ 1.2V/1.8V CML 2:1 MUX
∑ Guaranteed AC performance over temperature and
voltage:
– DC-to- > 3.2Gbps throughput
– <310ps propagation delay (IN-to-Q)
– <20ps input-to-input skew
– <95ps rise/fall times
∑ Ultra-low jitter design
– <1psRMS cycle-to-cycle jitter
– <10psPP total jitter
– <1psRMS random jitter
– <10psPP deterministic jitter
∑ High-speed CML outputs
∑ 2.5V ±5% , 1.8/1.2V ±5% power supply operation
∑ Industrial temperature range: –40°C to +85°C
∑ Available in 16-pin (3mm x 3mm) MLF® package
Applications
∑ Data Distribution: OC-48, OC-48+FEC
∑ SONET clock and data distribution
∑ Fibre Channel clock and data distribution
∑ Gigabit Ethernet clock and data distribution
Markets
∑ Storage
∑ ATE
∑ Test and measurement
∑ Enterprise networking equipment
∑ High-end servers
∑ Access
∑ Metro area network equipment
Precision Edge is a registered trademark of Micrel, Inc.
MLF and MicroLeadFrame are registered trademarks of Amkor Technology.
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
May 2008
M9999-053008-B
[email protected] or (408) 955-1690
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
Micrel, Inc.
SY54017AR
CML Outputs DC Electrical Characteristics(5)
VCCO = 1.14V to 1.26V RL = 50Ω to VCCO, VCCO = 1.7V to 1.9V, RL = 50Ω to VCCO or 100Ω across the outputs,
VCC = 2.375V to 2.625V. TA = –40°C to +85°C, unless otherwise stated.
Symbol Parameter
Condition
Min Typ Max
VOH Output HIGH Voltage
RL = 50Ω to VCCO
VCCO-0.020 VCCO-0.010 VCCO
VOUT
Output Voltage Swing
See Figure 3a
300 390 475
VDIFF_OUT Differential Output Voltage Swing See Figure 3b
600 780 950
ROUT
Output Source Impedance
45 50 55
Units
V
mV
mV
Ω
LVTTL/CMOS DC Electrical Characteristics(5)
VCC = 2.5V ±5%; VCCO = +1.14V to +1.26V or +1.7V to +1.9V; TA = –40°C to +85°C, unless otherwise stated.
Symbol Parameter
Condition
Min Typ Max
VIH Input HIGH Voltage
VIL Input LOW Voltage
2.0 VCC
0.8
IIH Input HIGH Current
-125
30
IIL Input LOW Current
-300
Note:
5. The circuit is designed to meet the DC specifications shown in the above table after thermal equilibrium has been established.
Units
V
V
µA
µA
May 2008
5 M9999-053008-B
[email protected] or (408) 955-1690
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
www.DataSheet.co.kr
Micrel, Inc.
SY54017AR
Figure 2b. Simplified CML Output Buffer
Single-Ended and Differential Swings
Figure 3a. Single-Ended Swing
Figure 3b. Differential Swing
May 2008
11
M9999-053008-B
[email protected] or (408) 955-1690
Datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet SY54017AR.PDF ] | |
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