GS2988 Datasheet, PDF (3/17 Pages) Gennum Corporation – Dual-Slew-Rate, Cable Driver with 3Gb/s Capability

Contents
Features ................................................................................................................................................................. 1
Applications.........................................................................................................................................................1
Description ........................................................................................................................................................... 1
Revision History .................................................................................................................................................2
1. Pin Out...............................................................................................................................................................4
1.1 Pin Assignment ..................................................................................................................................4
1.2 Pin Descriptions ................................................................................................................................4
2. Electrical Characteristics ............................................................................................................................5
2.1 Absolute Maximum Ratings ..........................................................................................................5
2.2 DC Electrical Characteristics ........................................................................................................6
2.3 AC Electrical Characteristics ........................................................................................................7
3. Input/Output Circuits ..................................................................................................................................8
4. Detailed Description.....................................................................................................................................9
4.1 Serial Data Input ...............................................................................................................................9
4.2 Input Trace-equalization ................................................................................................................9
4.3 Serial Data Output ............................................................................................................................9
4.3.1 Slew Rate Selection (Rise/Fall Time Requirement)....................................................9
4.4 Output Disable ................................................................................................................................ 10
4.5 Output Signal Presence Indicator (OSP) ................................................................................. 10
4.6 Output Amplitude (RSET) ........................................................................................................... 10
4.7 Output Return Loss Measurement ........................................................................................... 12
5. Application Information .......................................................................................................................... 13
5.1 PCB Layout ....................................................................................................................................... 13
5.2 Typical Application Circuit ........................................................................................................ 13
6. Package & Ordering Information .......................................................................................................... 14
6.1 Package Dimensions ..................................................................................................................... 14
6.2 Recommended PCB Footprint ................................................................................................... 15
6.3 Packaging Data ............................................................................................................................... 15
6.4 Solder Reflow Profiles .................................................................................................................. 16
6.5 Marking Diagram ........................................................................................................................... 16
6.6 Ordering Information ................................................................................................................... 17
GS2988 Dual-Slew-Rate, Cable Driver with 3Gb/s
Capability
Data Sheet
52131 - 4
December 2010
3 of 17