- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄372962 > Z86228 (ZiLOG, Inc.) LINE 21 CLOSED CAPTION CONTROLLER (L21C) PDF資料下載
參數(shù)資料
| 型號： | Z86228 |
| 廠商： | ZiLOG, Inc. |
| 英文描述： | LINE 21 CLOSED CAPTION CONTROLLER (L21C) |
| 中文描述： | 第21行閉合字幕控制器（L21C） |
| 文件頁數(shù)： | 1/7頁 |
| 文件大小： | 87K |
| 代理商： | Z86228 |
1
Z86228
CPS DC-4243-00
P R E L I M I N A R Y
GENERAL DESCRIPTION
DC-4243-00
(2-18-94)
P
RELIMINARY
C
USTOMER
P
ROCUREMENT
S
PECIFICATION
Z86228
L
INE
21 C
LOSED
C
APTION
C
ONTROLLER
(L21C)
The Z86228 (Line 21 Closed-Caption Controller) is a single
I.C. designed to provide the functional performance of a
L21C Decoder module. This Superintegration VLSI device
is completely self contained requiring only composite
video, a horizontal timing signal as input and an external
keyer (i.e., video switch between TV video and Closed-
Caption video) to produce captioned video. The Z86228
uses a wired logic approach to perform the functions
selected through its input control signals. It is fabricated
using standard CMOS technology and designed to achieve
the lowest possible cost.
The Z86228 is intended for use in a set-top decoder or in
any television receiver conforming to the NTSC standard.
It is capable of processing and displaying all standard
L21C format transmissions including the codes specified
by the FCC "Report and Order" on GEN Docket No. 91-1,
dated April 12, 1991. In addition, the device conforms to
the Electronic Industry Association's Recomended Practice
608, which provides supplemental guidelines for the
transmission of captions, text, and Extended Data Services
(EDS) on NTSC Field 2. Extended Data Services (EDS)
packets encoded on Field 2 , may be displayed in either of
two screen formats. If and when PAL and SECAM TV
standards define a protocol using the Line 21 format, this
design will be readily convertible to that standard.
The Line 21 Closed Captioning System
The L21C system provides for the transmission of CAPTION
information and other TEXT material as an encoded
composite data signal. This is during the unblanked portion
of Line 21, field 1, of the standard NTSC video signal. The
video signal conforms to the Standard Synchronizing
Waveform for Color Transmission given in Sub-part E, Part
73 of the FCC Rules and Regulations.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| Z86233 | CMOS Z8 8K ROM CONSUMER CONTROLLER PROCESSOR |
| Z86243 | CMOS Z8 8K ROM CONSUMER CONTROLLER PROCESSOR |
| Z86250 | STARSIGHT DATABASEENGINE |
| Z86319 | PS/2 MOUSE CONTROLLER |
| Z8631904PSC | PS/2 MOUSE CONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| Z8622812PSC | 功能描述:多媒體雜項 LINE 21 DECODER RoHS:否 制造商:Texas Instruments 類型: 通道數(shù)量: 轉(zhuǎn)換速率:540 Mbps 分辨率: 封裝 / 箱體:SOIC-16 封裝:Tube |
| Z8622812PSG | 功能描述:多媒體雜項 LINE 21 DECODER RoHS:否 制造商:Texas Instruments 類型: 通道數(shù)量: 轉(zhuǎn)換速率:540 Mbps 分辨率: 封裝 / 箱體:SOIC-16 封裝:Tube |
| Z86229 | 制造商:ZILOG 制造商全稱:ZILOG 功能描述:NTSC LINE 21 CCD DECODER |
| Z8622912 | 制造商:ZILOG 制造商全稱:ZILOG 功能描述:NTSC LINE 21 CCD DECODER |
| Z8622912PSC | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 CCD w/2ND I2C ADD RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。