GS2978CNE3 GENNUM, GS2978CNE3 Datasheet
GS2978CNE3
Specifications of GS2978CNE3
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GS2978CNE3 Summary of contents
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... This component and all homogeneous subcomponents are RoHS compliant. BANDGAP REFERENCE AND BIASING CIRCUIT INPUT OUTPUT STAGE & DIFFERENTIAL CONTROL PAIR SD/HD DISABLE Functional Block Diagram 37186 - 5 October 2007 GS2978 HD-LINX® III GS2978 Data Sheet R SET SDO SDO www.gennum.com ...
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Contents Features ........................................................................................................................1 Applications...................................................................................................................1 Description ....................................................................................................................1 1. Pin Out ......................................................................................................................3 1.1 Pin Assignment ...............................................................................................3 1.2 Pin Descriptions ..............................................................................................3 2. Electrical Characteristics ...........................................................................................4 2.1 Absolute Maximum Ratings ............................................................................4 2.2 DC Electrical Characteristics ..........................................................................4 2.3 AC Electrical Characteristics ...........................................................................5 2.4 Solder Reflow ...
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Pin Out 1.1 Pin Assignment 1.2 Pin Descriptions Table 1-1: Pin Descriptions Pin Number Name Timing 1,2 DDI, DDI Analog 3 V – Analog SET 5,8,13,14, NC – 15,16 7 RSVD – 6 DISABLE Non Synchronous ...
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Electrical Characteristics 2.1 Absolute Maximum Ratings 2.2 DC Electrical Characteristics Table 2-1: DC Electrical Characteristics V = 3.3V ±5 0°C to 70°C, unless otherwise shown CC A Parameter Symbol Supply Voltage V CC Power Consumption P D ...
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... DDI NOTES: 1. The input coupling capacitor must be set accordingly for lower data rates. 2. Rise/Fall time measured between 20% and 80%. 3. Single Ended into 75Ω external load. 4. ORL depends on board design. The GS2978 achieves this specification on Gennum's evaluation boards. Conditions Min – – ...
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Solder Reflow Profiles The device is manufactured with Matte-Sn terminations and is compatible with both standard eutectic and Pb-free solder reflow profiles. MSL qualification was performed using the maximum Pb-free reflow profile shown in recommended standard Pb reflow profile ...
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Input / Output Circuits V CC DDI DDI 10k 10k 10k Figure 3-1: Differential Input Stage (DDI/DDI) SDO SDO REF Figure 3-2: Differential Output Stage (SDO/SDO Chip Reference SD/HD Figure ...
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Detailed Description 4.1 Input Interfacing 4.2 Output Interfacing DDI/DDI are high impedance differential inputs. The equivalent input circuit is shown in Figure 3-1. Several conditions must be observed when interfacing to these inputs: • The differential input signal amplitude ...
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Output Amplitude (RSET) 4.2.2 Output Disable 4.3 Output Return Loss Measurement The output amplitude of the GS2978 can be adjusted by changing the value of the R resistor as shown in Table SET tolerance, a value of 750Ω is ...
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Application Information 5.1 PCB Layout 5.2 Typical Application Circuit 4u7 49.9 10n 49.9 DIFFERENTIAL DATA INPUT 4u7 DISABLE SD/HD NOTE: All resistors in Ohms, capacitors in Farads, and inductors in Henrys, unless otherwise noted. Special attention must be paid ...
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Package & Ordering Information 6.1 Package Dimensions PIN 1 AREA 0.15 0.10 C 16X 0.08 C SEATING PLANE A 4.00+/-0. 37186 - 5 October 2007 GS2978 Data Sheet 2.76+/-0.10 DATUM A CENTER ...
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Recommended PCB Footprint 6.3 Packaging Data 0.65 3.70 2.76 CENTER PAD 2.76 3.70 The Center Pad should be connected to the most negative power supply plane (VEE minimum of 5 vias. NOTE: Suggested dimensions only. Final dimensions ...
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Marking Diagram 6.5 Ordering Information Pin 1 Indicator GS 2978 XXXXE3 YYWW Part Number GS2978 GS2978-CNE3 37186 - 5 October 2007 GS2978 Data Sheet XXXX - Lot/Work Order ID YYWW - Date Code YY - 2-digit year WW - ...
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... Long Garden Walk, Farnham, Surrey, England GU9 7HX Tel. +44 (0)1252 747 000 Fax +44 (0)1252 726 523 Gennum Corporation assumes no liability for any errors or omissions in this document, or for the use of the circuits or devices described herein. The sale of the circuit or device described herein does not imply any patent license, and Gennum makes no representation that the circuit or device is free from patent infringement ...