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LF3347QC12 PDF预览

LF3347QC12

更新时间: 2024-09-23 22:15:31
品牌 Logo 应用领域
逻辑 - LOGIC 过滤器
页数 文件大小 规格书
10页 82K
描述
High-Speed Image Filter with Coefficient RAM

LF3347QC12 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Contact Manufacturer零件包装代码:QFP
包装说明:QFP, QFP120,1.2SQ,32针数:120
Reach Compliance Code:compliantECCN代码:3A001.A.3
HTS代码:8542.39.00.01风险等级:5.12
其他特性:2'S COMPLEMENT边界扫描:NO
最大时钟频率:83.3333 MHz外部数据总线宽度:12
JESD-30 代码:S-PQFP-G120JESD-609代码:e0
长度:28 mm低功率模式:NO
湿度敏感等级:3端子数量:120
最高工作温度:70 °C最低工作温度:
输出数据总线宽度:16封装主体材料:PLASTIC/EPOXY
封装代码:QFP封装等效代码:QFP120,1.2SQ,32
封装形状:SQUARE封装形式:FLATPACK
峰值回流温度(摄氏度):NOT SPECIFIED电源:3.3 V
认证状态:Not Qualified座面最大高度:4.1 mm
子类别:DSP Peripherals最大压摆率:150 mA
最大供电电压:3.6 V最小供电电压:3 V
标称供电电压:3.3 V表面贴装:YES
技术:CMOS温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:0.8 mm端子位置:QUAD
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:28 mm
uPs/uCs/外围集成电路类型:DSP PERIPHERAL, DIGITAL FILTERBase Number Matches:1

LF3347QC12 数据手册

 浏览型号LF3347QC12的Datasheet PDF文件第2页浏览型号LF3347QC12的Datasheet PDF文件第3页浏览型号LF3347QC12的Datasheet PDF文件第4页浏览型号LF3347QC12的Datasheet PDF文件第5页浏览型号LF3347QC12的Datasheet PDF文件第6页浏览型号LF3347QC12的Datasheet PDF文件第7页 
LF3347  
High-Speed Image Filter with Coefficient RAM  
DEVICES INCORPORATED  
FEATURES  
DESCRIPTION  
The LF3347 consists of an array of  
A 32-bit accumulator allows cumula-  
four 12 x 12-bit registered multipliers tive word growth which may be  
83 MHz Data Input and Compu-  
tation Rate  
followed by two summers and a  
32-bit accumulator. The LF3347  
provides four 256 x 12-bit coefficient  
banks which are capable of storing  
256 different sets of filter coefficients  
for the multiplier array. All multi-  
plier data inputs are user accessible  
and can be updated every clock cycle  
with twos complement data. The  
pipelined architecture has fully  
registered input and output ports and  
an asynchronous three-state output  
enable control to simplify the design  
of complex systems.  
internally rounded to 16-bits. Output  
data is updated every clock cycle and  
may be held under user control. The  
data inputs/ outputs and control  
inputs are registered on the rising  
edge of CLK. The Control/ Coeffi-  
cient Data Input, CC11-0, is registered  
on the rising edge of CCCLK.  
Four 12 x 12-bit Multipliers with  
Individual Data and Coefficient  
Inputs  
Four 256 x 12-bit Coefficient Banks  
32-bit Accumulator  
Selectable 16-bit Data Output with  
User-Defined Rounding and Limiting  
Twos Complement Operands  
3.3 Volt Power Supply  
5 Volt Tolerant I/ O  
120-pin PQFP  
The LF3347 is ideal for performing  
pixel interpolation in image manipu-  
lation and filtering applications. The  
LF3347 can perform a bilinear inter-  
polation of an image (4-pixel kernels)  
at real-time video rates when used  
LF3347 BLOCK DIAGRAM  
12  
CC11-0  
LF  
LD  
INTERFACE  
CCCLK  
ENBA  
8
Coefficient  
Bank 1  
Coefficient  
Bank 2  
Coefficient  
Bank 3  
Coefficient  
Bank 4  
A
7-0  
(256 x 12-bit)  
(256 x 12-bit)  
(256 x 12-bit)  
(256 x 12-bit)  
D111-0 ENB  
12  
1
D211-0 ENB  
12  
2
D311-0 ENB  
12  
3
D411-0 ENB  
12  
4
12  
12  
12  
12  
2
2
2
2
25  
25  
ACC  
3
SELRND3-0 SELLMT3-0  
LMTEN  
4
4
32  
4
6
6
4
4
Rounding  
Selecting  
Limiting  
Circuit  
Rounding/  
Limiting  
Registers  
5
5
SHIFT4-0  
5
16  
OCEN  
OE  
16  
CLK  
TO ALL REGISTERS  
NOTE: NUMBERS IN REGISTERS INDICATE  
NUMBER OF PIPELINE DELAYS  
S15-0  
Video Imaging Products  
08/16/2000–LDS.3347-G  
1

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