SN28835FS-X

更新时间： 2024-11-07 13:13:43

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
17页	258K
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SN28835FS-X 数据手册

SN28835

1/2-INCH NTSC TIMER

SOCS023B – FEBRUARY 1991

FS PACKAGE

(TOP VIEW)

•

NTSC-Timing Operation

Solid-State Reliability

Color and Monochrome Operation

Four Selectable-Antiblooming Modes

Variable-Integration-Time Option

Surface-Mount Package

44 43 42 41 40 39 38 37 36 35 34

GND

MODE

ABIN

BCP1

BCP2

CP2

Clamp-Pulse Select Option

Horizontal and Vertical Resets for External

Synchronization

CP1

CSYNC

CBLK

description

The SN28835 is a monolithic integrated circuit

designed to supply timing signals for the Texas

Instruments (TI ) 8-mm TC242/TC244 color and

TC243/TC245 monochrome CCD image sensors.

The SN28835 supplies both CCD-drive signals

and NTSC-television synchronization signals at

standard video rates. It requires a single

SC(90)

ABS0

ABS1

12 13 14 15 16 17 18 19 20 21 22

5-V supply voltage and

14.318-MHz

crystal-oscillatorinput. The SN28835 provides the

user with several options including multiple

antiblooming modes, variable-integration time,

external synchronization, and delayed horizontal

transfer.

The SN28835 is designed to drive the CCD image sensor through intermediary level-shifting devices such as

the TI TMS3473B parallel driver and the SN28846 serial driver. It also supplies sample-and-hold signals for the

TI TL1593 3-channel sample-and-hold circuit and multiplex signals for the TI TL1051 video preprocessor. The

SN28835 NTSC synchronization-signal outputs include composite sync, composite blank, clamp, subcarrier,

subcarrier delayed by 90 degrees, and burst flag.

The SN28835 is supplied in a 44-pin plastic flat package and is characterized for operation from –20°C to 45°C.

This device contains circuits to protect its inputs and outputs against damage due to high static voltages or electrostatic fields. These

circuits have been qualified to protect this device against electrostatic discharges (ESD) of up to 2 kV according to MIL-STD-883C,

Method3015;however, precautionsshouldbetakentoavoidapplicationofanyvoltagehigherthanmaximum-ratedvoltagestothese

high-impedance circuits. During storage or handling, the device leads should be shorted together or the device should be placed in

conductive foam. In a circuit, unused inputs should always be connected to an appropriated logic voltage level, preferably either V

Specific guidelines for handling devices of this type are contained in the publication Guidelines for Handling Electrostatic-Discharge-Sensitive

(ESDS) Devices and Assemblies available from Texas Instruments.

or ground.

TI is a trademark of Texas Instruments Incorporated.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...17

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与SN28835FS-X相关器件

型号	品牌	获取价格	描述	数据表
SN28837	TI	获取价格	1/2-INCH PAL TIMER
SN28837FS	TI	获取价格	1/2-INCH PAL TIMER
SN28837FS-X	TI	获取价格	IC,TIMER,QFP,60PIN,PLASTIC
SN28838	TI	获取价格	PAL-COLOR SUBCARRIER GENERATOR
SN28838NS	TI	获取价格	SPECIALTY CONSUMER CIRCUIT, PDSO16, PLASTIC, SO-16
SN28846	TI	获取价格	SERIAL DRIVER
SN28846DW	TI	获取价格	SERIAL DRIVER
SN28846DW-X	TI	获取价格	Serial Driver 20-SOIC
SN28846KL	TI	获取价格	暂无描述
SN2A	EIC	获取价格	SURFACE MOUNT RECTIFIERS

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