參數(shù)資料
型號： LF3370QC12
廠商： LOGIC DEVICES INC
元件分類： 消費家電
英文描述： High-Definition Video Format Converter
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP160
封裝： PLASTIC, QFP-160
文件頁數(shù)： 1/24頁
文件大?。?/td> 412K
代理商： LF3370QC12
Video Imaging Products
1
LF3370
High-Definition Video Format Converter
High-Definition Video Format Converter
03/13/2001–LDS.3370-F
DEVICES INCORPORATED
COLORSPACE
CONVERTER/
KEY SCALER
INPUT DE-MULTIPLEXER SECTION
55-TAP HALF-BAND
INTERPOLATION/
DECIMATION
FILTERS
OUTPUT MULTIPLEXER SECTION
B
12-0
C
12-0
A
12-0
D
12-0
X
12-0
Y
12-0
W
12-0
Z
12-0
1K x 13-Bit
LOOK-UP-TABLES
INPUT BIAS ADDERS
OUTPUT BIAS ADDERS
FEATURES
LF3370
DEVICES INCORPORATED
K
83 MHz Data Rate for HDTV
Applications
K
Supports Multiple Video Formats
Bi-Directional Conversions:
- 4:2:2:4
- 4:4:4:4
- R/G/B/Key
- Y/U/V/Key
K
Multiplexed and Non-multiplexed
I/O Data
K
User-Programmable:
- 3 x 3 Colorspace Converter
- LUT for Gamma Correction
- I/O Bias Compensation
- Bypass Capability
K
13-bit Data Path, Colorspace
Converter Coefficients and Key
Channel Scaling Coefficients
K
160-lead PQFP
DESCRIPTION
The LF3370 is a video format
converter capable of operating at
HDTV data rates. This device
converts to and from any of the
various SDTV/HDTV digital video
formats by utilizing an internal
3 x 3 Matrix Multiplier and two
1:2 Interpolation/2:1 Decimation
Half-Band Filters.
Using the Input Demultiplexer
and Output Multiplexer, the
LF3370 can accept and output
interleaved or non-interleaved
video. For example, R/G/B/Key
data can be color space converted
to Y/U/V/Key and down-con-
verted to 4:2:2:4. By re-arranging
the order of the functional sec-
tions, the opposite conversion can
be achieved. The coefficients for
the 3 x 3 Matrix Multiplier are
fully user programmable to sup-
port a wide range of color space
conversions. The two Interpola-
tion/Decimation Half-Band Filters
are fully compliant with SMPTE
260M.
Input and Output Bias Adders are
included for removing or adding a
user-defined bias into the video
signal. In addition, three pro-
grammable 1K x 13-bit Look-Up
Tables (LUTs) have also been
included for various uses such as
gamma correction. A Scaler has
been included on the Key Channel
for scaling to a desired magnitude
using user programmable coeffi-
cients.
Input signals can also be forced to
user-defined levels for horizontal
blanking. Furthermore, Round/
Select/Limit (RSL) circuitry is
provided at the end of various
stages to provide the best possible
conversions without color viola-
tions. For additional flexibility,
the Halfband Filter can be indi-
vidually bypassed using an inter-
nal programmable length delay.
All control and coefficient registers
are loaded through the LF Inter-
face.
This device operates at 3.3 V (5 V
tolerant I/O) and is available in
160-lead PQFP package.
LF3370 B
LOCK
D
IAGRAM
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LF33ABDT 功能描述:低壓差穩(wěn)壓器 - LDO 3.3V 0.5A Positive RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
LF33ABDT-TR 功能描述:低壓差穩(wěn)壓器 - LDO 3.3V 0.5A Positive RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
LF33ABP 功能描述:低壓差穩(wěn)壓器 - LDO 3.3V 0.5A Positive RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
LF33ABPT 功能描述:低壓差穩(wěn)壓器 - LDO 3.3V 0.5A Positive RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
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