GS1662 datasheet(11/73 Pages) GENNUM

部件名	GS1662

功能描述	Integrated Cable Driver

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制造商	GENNUM [Gennum Corporation]

网页	http://www.gennum.com

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11 / 73 page

GS1662 HD/SD-SDI Serializer with Complete SMPTE

Video Support

Data Sheet

53628 - 3

October 2010

11 of 73

B7

VCO_VDD

Input Power

Power pin for VCO. Connect to 1.2V DC analog followed by an RC

filter (see Typical Application Circuit on page 68). VCO_VDD is

nominally 0.7V.

B8

VCO_GND

Input Power

Ground connection for VCO. Connect to analog GND.

B9, B10

A_GND

Input Power

GND pins for sensitive analog circuitry. Connect to analog GND.

C4V/VSYNCSynch-

ronous

with

PCLK

Input

PARALLEL DATA TIMING.

Signal levels are LVCMOS / LVTTL compatible.

TIM_861 = LOW:

The V signal is used to indicate the portion of the video field/frame

that is used for vertical blanking, when DETECT_TRS is set LOW.

The V signal should be set HIGH for the entire vertical blanking

period and should be set LOW for all lines outside of the vertical

blanking interval.

The V signal is ignored when DETECT_TRS = HIGH.

TIM_861 = HIGH:

The VSYNC signal indicates vertical timing. See Section 4.3 for

timing details.

The VSYNC signal is ignored when DETECT_TRS = HIGH.

C6, C7, C8PLL_GND

Input Power

Ground connection for PLL. Connect to analog GND.

C9, D9, E9,

F9

CD_GND

Input Power

Ground connection for the serial digital cable driver. Connect to

analog GND.

C10, D10

SDO, SDO

Output

Serial Data Output Signal.

Serial digital output signal operating at 1.485Gb/s, 1.485 /1.001Gb/s

or 270Mb/s.

The slew rate of the output is automatically controlled to meet

SMPTE 292 and 259M specifications according to the setting of the

RATE_SEL pin.

D3

STANDBY

Input

Standby input.

HIGH to place the device in Standby mode.

D4

SDO_EN/DIS

Input

CONTROL SIGNAL INPUT.

Signal levels are LVCMOS / LVTTL compatible.

Used to enable or disable the serial digital output stage.

When SDO_EN/DIS is LOW, the serial digital output signals SDO and

SDO are disabled and become high impedance.

When SDO_EN/DIS is HIGH, the serial digital output signals SDO and

SDO are enabled.

Table 1-1: Pin Descriptions (Continued)

Number

Name

Timing

Type

Description

类似零件编号 - GS1662

制造商	部件名	数据表	功能描述
Semtech Corporation	GS1662	2Mb / 73P	HD/SD-SDI Serializer with Complete SMPTE Video Support

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