GS4900B datasheet(4/102 Pages) SEMTECH

номер детали	GS4900B

подробное описание детали	SD Clock and Timing Generator with GENLOCK

Download	102 Pages

Scroll/Zoom	100%

производитель	SEMTECH [Semtech Corporation]

домашняя страница	http://www.semtech.com

Logo

4 / 102 page

GS4901B/GS4900B SD Clock and Timing Generator

with GENLOCK

Data Sheet

37703 - 4

December 2009

4 of 102

Contents

Key Features........................................................................................................................................................1

Applications.........................................................................................................................................................1

Description...........................................................................................................................................................1

1. Pin Out...............................................................................................................................................................7

1.1 GS4901B Pin Assignment ...............................................................................................................7

1.2 GS4900B Pin Assignment ...............................................................................................................8

1.3 Pin Descriptions ................................................................................................................................9

1.4 Pre-Programmed Recognized Video Standards .................................................................. 19

1.5 Output Timing Signals ................................................................................................................. 23

2. Electrical Characteristics ......................................................................................................................... 27

2.1 Absolute Maximum Ratings ....................................................................................................... 27

2.2 DC Electrical Characteristics ..................................................................................................... 27

2.3 AC Electrical Characteristics ..................................................................................................... 31

2.4 Solder Reflow Profiles .................................................................................................................. 34

3. Detailed Description.................................................................................................................................. 35

3.1 Functional Overview .................................................................................................................... 35

3.2 Modes of Operation ...................................................................................................................... 35

3.2.1 Genlock Mode..................................................................................................................... 35

3.2.2 Free Run Mode ................................................................................................................... 39

3.3 Output Timing Format Selection .............................................................................................. 40

3.4 Input Reference Signals ............................................................................................................... 41

3.4.1 HSYNC, VSYNC, and FSYNC.......................................................................................... 41

3.4.2 10FID ..................................................................................................................................... 42

3.4.3 Automatic Polarity Recognition ................................................................................... 42

3.5 Reference Format Detector ........................................................................................................ 43

3.5.1 Horizontal and Vertical Timing Characteristic Measurements ......................... 43

3.5.2 Input Reference Validity................................................................................................. 44

3.5.3 Behaviour on Loss and Re-acquisition of the Reference Signal......................... 45

3.5.4 Allowable Frequency Drift on the Reference .......................................................... 47

3.6 Genlock ............................................................................................................................................. 47

3.6.1 Adjustable Locking Time................................................................................................. 49

3.6.2 Adjustable Loop Bandwidth .......................................................................................... 49

3.6.3 Locking to Digital Timing from a Deserializer ......................................................... 52

3.7 Clock Synthesis .............................................................................................................................. 52

3.7.1 Video Clock Synthesis...................................................................................................... 52

3.7.2 Audio Clock Synthesis (GS4901B only)...................................................................... 54

3.8 Video Timing Generator .............................................................................................................. 58

3.8.1 10 Field ID Pulse................................................................................................................. 58

3.8.2 Audio Frame Synchronizing Pulse (GS4901B only)............................................... 59

3.8.3 USER_1~4............................................................................................................................. 60

3.8.4 TIMING_OUT Pins ............................................................................................................. 62

3.9 Extended Audio Mode for HD Demux using the Gennum Audio Core ...................... 63

Аналогичный номер детали - GS4900B

производитель	номер детали	датащи	подробное описание детали
Gennum Corporation	GS4900B	1Mb / 95P	SD Clock and Timing Generator with GENLOCK
	GS4900B	1Mb / 102P	SD Clock and Timing Generator with GENLOCK
	GS4900BCNE3	1Mb / 95P	SD Clock and Timing Generator with GENLOCK

More results

Аналогичное описание - GS4900B

производитель	номер детали	датащи	подробное описание детали
Gennum Corporation	GS4901B	1Mb / 95P	SD Clock and Timing Generator with GENLOCK
	GS4901B	1Mb / 102P	SD Clock and Timing Generator with GENLOCK
	GS4911B	2Mb / 119P	HD/SD/Graphics Clock and Timing Generator with GENLOCK
Semtech Corporation	GS4911B	2Mb / 119P	HD/SD/Graphics Clock and Timing Generator with GENLOCK
Gennum Corporation	GS4911B	1Mb / 113P	HD/SD/Graphics Clock and Timing Generator with GENLOCK
National Semiconductor ...	LMH1982	504Kb / 28P	Multi-Rate Video Clock Generator with Genlock
Texas Instruments	LMH1982SQ-NOPB	1Mb / 43P	[Old version datasheet] Multi-Rate Video Clock Generator with Genlock
Texas Instruments	LMH1983	2Mb / 55P	[Old version datasheet] 3G/HD/SD Video Clock Generator with Audio Clock
Sanyo Semicon Device	LC99012A-S	59Kb / 6P	Black-and-White CCD Timing Generator
National Semiconductor ...	DP8224	143Kb / 8P	Clock Generator and Driver

More results

GS4900B датащи(PDF) 4 Page - Semtech Corporation

GS4900B датащи(HTML) 4 Page - Semtech Corporation

Аналогичный номер детали - GS4900B

Аналогичное описание - GS4900B

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

датащи скачать

ссылки URL