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PDF ISL35411 Data sheet ( Hoja de datos )
| Número de pieza | ISL35411 | |
| Descripción | Quad Driver | |
| Fabricantes | Intersil | |
| Logotipo |  |
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Quad Driver
ISL35411
The ISL35411 is a quad de-emphasis driver with
extended functionality for advanced protocols operating
with line rates up to 11.1 Gbps such as InfiniBand (QDR)
and 40G Ethernet (40GBASE-CR4/SR4). The ISL35411
is a high-speed driver/limiting amplifier with built in
de-emphasis to drive twin-axial copper cables and
compensate for the frequency dependent attenuation of
PCB traces such as the SFI channel in the 10G SFP+
specification (SFF-8431).
Used in conjunction with Intersil’s ISL36411 receive-side
equalizer, ISL35411 enables active copper cable
assemblies that support 10G serial data transmission
over >15m of twin-axial copper cables.
Operating on a single 1.2V power supply, the ISL35411
enables per channel throughputs of 10Gbps to 11.1Gbps.
The ISL35411 uses current mode logic (CML)
input/output and is packaged in a 4mmx7mm 46 lead
QFN.
Typical Application Circuit
Features
• Supports four channels with data rates up to
11.1Gbps
• Low power (90mW per channel)
• Low latency
• Adjustable output de-emphasis
• Four drivers in a 4mmx7mm QFN package for
straight route-through architecture & simplified
routing
• Supports 64b/66b encoded data – long run lengths
• Line silence preservation
• 1.2V supply voltage
• TX_Disable
Applications
• QSFP active copper cable modules
• InfiniBand (QDR)
• 40G Ethernet (40GBase-CR4/SR4)
• 100G Ethernet (100GBase-CR10/SR10)
• High-speed active cable assemblies
• High-speed printed circuit board (PCB) traces
Benefits
• Thinner gauge cable
• Extends cable reach greater than 3x
• Improved BER
Tx1[P,N]
Tx2[P,N]
Tx3[P,N]
Tx4[P,N]
1.2V
10nF
0.1µF
TDSBL
IN1[P,N]
100pF
DE VDD
OUT1[P,N]
0.1µF
IN2[P,N] OUT2[P,N]
ISL35411
0.1µF
IN3[P,N] OUT3[P,N]
0.1µF
IN4[P,N] OUT4[P,N]
DT
1.2V
Active Copper Cable Assembly
8-Pair Differential 100OΩ
Twin-Axial Cable
= 10m 28AWG
1.2V
10nF
100pF
VDD CP LOSB
0.1µF
IN1[P,N] OUT1[P,N]
0.1µF
0.1µF
0.1µF
IN2[P,N] OUT2[P,N]
ISL36411
0.1µF
IN3[P,N]
0.1µF
IN4[P,N]
1.2V
DT
0.1µF
OUT3[P,N]
0.1µF
OUT4[P,N]
Host Channel
Adapter
Rx1[P,N]
Rx2[P,N]
Rx3[P,N]
Rx4[P,N]
Fabric Switch
Connector Paddle Card
Connector Paddle Card
March 25, 2010
FN6971.1
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2010. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
1 page  
ISL35411
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Electrical Characteristics VDD = 1.2V, TA = +25°C, and VIN = 600mVP-P, unless otherwise noted. (Continued)
PARAMETER
SYMBOL
CONDITION
MIN TYP MAX UNITS NOTES
Output Return Loss Limit
(Differential)
SDD22
100 MHz to 4.1GHz
4.1GHz to 11.1GHz
See 7
See 8
dB 7
dB 8
Output Return Loss Limit
(Common Mode)
SCC22
100MHz to 2.5GHz
2.5GHz to 11.1GHz
See 9
-3
dB 9
dB 12
Output Return Loss Limit
(Com. to Diff. Conversion)
SDC22 100MHz to 11.1GHz
-10 dB 12
Residual Deterministic Jitter
11.1Gbps; no channel attenuation;
de-emphasis disabled
0.1 UI 10
Random Jitter
Output Transition Time
Minimum De-Emphasis Level
tr, tf 20% to 80%
0.7 psRMS
35 ps 11
0 dB
Maximum De-Emphasis Level
4 dB
De-Emphasis Resolution
0.5 dB
NOTES:
6. Temperature = +25°C, VDD = 1.2V.
7. Maximum Reflection Coefficient given by equation SDDXX(dB)= -12 + 2*√(f ), with f in GHz. Established by characterization
and not production tested.
8. Maximum Reflection Coefficient given by equation SDDXX(dB)= -6.3 + 13Log10(f/5.5), with f in GHz. Established by
characterization and not production tested.
9. Reflection Coefficient given by equation SCCXX(dB) < -7 + 1.6*f, with f in GHz. Established by characterization and not
production tested.
10. Measured using a PRBS 27-1 pattern.
11. Rise and fall times measured with a 1-1-1-1-1-1-1-1-0-0-0-0-0-0-0-0 test pattern at 11.1Gbps with no channel loss and
disabled de-emphasis.
12. Limits established by characterization and are not production tested.
5 FN6971.1
March 25, 2010
5 Page 
ISL35411
Package Outline Drawing
L46.4x7
46 LEAD THIN QUAD FLAT NO-LEAD PLASTIC PACKAGE (TQFN)
Rev 0, 9/09
6
PIN 1
INDEX AREA
4.00
A
B
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39
38
2.80
42X 0.40
6
46 PIN 1
INDEX AREA
1
5.60
5.50 ±0.1
Exp. DAP
(4X) 0.05
TOP VIEW
SIDE VIEW
SEE DETAIL "X"
24
46X 0.20 4
0.10 M C A B
46X 0.40
23
2.50 ±0.1
Exp. DAP
15
16
BOTTOM VIEW
0.70 ±0.05
SIDE VIEW
( 3.80 )
( 2.50)
0.10 C
C
SEATING PLANE
0.05 C
C 0.152 REF 5
0 . 00 MIN.
0 . 05 MAX.
DETAIL "X"
( 6.80 )
( 5.50 )
( 42X 0.40)
(46X 0.20)
( 46 X 0.60)
TYPICAL RECOMMENDED LAND PATTERN
NOTES:
1. Dimensions are in millimeters.
Dimensions in ( ) for Reference Only.
2. Dimensioning and tolerancing conform to AMSE Y14.5m-1994.
3. Unless otherwise specified, tolerance : Decimal ± 0.05
4. Dimension applies to the metallized terminal and is measured
between 0.15mm and 0.30mm from the terminal tip.
5. Tiebar shown (if present) is a non-functional feature.
6. The configuration of the pin #1 identifier is optional, but must be
located within the zone indicated. The pin #1 identifier may be
either a mold or mark feature.
11 FN6971.1
March 25, 2010
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet ISL35411.PDF ] | |
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