gs2988 Gennum Corporation, gs2988 Datasheet - Page 3

• Manufacturer Part Number: gs2988
• Description: Gs2988 Dual-slew-rate, Cable Driver With 3gb/s Capability
• Manufacturer: Gennum Corporation

Contents
Features.................................................................................................................................................................1
Applications.........................................................................................................................................................1
Description...........................................................................................................................................................1
Revision History .................................................................................................................................................2
1. Pin Out...............................................................................................................................................................4
2. Electrical Characteristics ............................................................................................................................6
3. Input/Output Circuits ..................................................................................................................................9
4. Detailed Description.................................................................................................................................. 10
5. Application Information .......................................................................................................................... 14
6. Package & Ordering Information .......................................................................................................... 15
GS2988 Dual-Slew-Rate, Cable Driver with 3Gb/s
Capability
Data Sheet
52131 - 1
1.1 Pin Assignment ..................................................................................................................................4
1.2 Pin Descriptions ................................................................................................................................4
2.1 Absolute Maximum Ratings ..........................................................................................................6
2.2 DC Electrical Characteristics ........................................................................................................6
2.3 AC Electrical Characteristics ........................................................................................................7
4.1 Serial Data Input ............................................................................................................................ 10
4.2 Input Trace-equalization ............................................................................................................. 10
4.3 Serial Data Output ......................................................................................................................... 10
4.4 Output Disable ................................................................................................................................ 11
4.5 Output Signal Presence Indicator (OSP) ................................................................................. 11
4.6 Output Amplitude (RSET) ........................................................................................................... 11
4.7 Output Return Loss Measurement ........................................................................................... 13
5.1 PCB Layout ....................................................................................................................................... 14
5.2 Typical Application Circuit ........................................................................................................ 14
6.1 Package Dimensions ..................................................................................................................... 15
6.2 Recommended PCB Footprint ................................................................................................... 16
6.3 Packaging Data ............................................................................................................................... 16
6.4 Solder Reflow Profiles .................................................................................................................. 17
6.5 Marking Diagram ........................................................................................................................... 17
6.6 Ordering Information ................................................................................................................... 18
4.3.1 Slew Rate Selection (Rise/Fall Time Requirement)................................................. 10
February 2010
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