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LMU12GC20 PDF预览

LMU12GC20

更新时间: 2024-11-27 21:01:47
品牌 Logo 应用领域
逻辑 - LOGIC 时钟外围集成电路
页数 文件大小 规格书
6页 65K
描述
Multiplier, 12-Bit, CMOS, CPGA68, CERAMIC, PGA-68

LMU12GC20 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:PGA包装说明:PGA, PGA68,11X11
针数:68Reach Compliance Code:unknown
ECCN代码:3A001.A.3HTS代码:8542.39.00.01
风险等级:5.92边界扫描:NO
最大时钟频率:50 MHz外部数据总线宽度:12
JESD-30 代码:S-CPGA-P68JESD-609代码:e0
长度:29.4386 mm低功率模式:NO
湿度敏感等级:3端子数量:68
最高工作温度:70 °C最低工作温度:
输出数据总线宽度:24封装主体材料:CERAMIC, METAL-SEALED COFIRED
封装代码:PGA封装等效代码:PGA68,11X11
封装形状:SQUARE封装形式:GRID ARRAY
峰值回流温度(摄氏度):225电源:5 V
认证状态:Not Qualified座面最大高度:3.81 mm
子类别:DSP Peripherals最大压摆率:35 mA
最大供电电压:5.25 V最小供电电压:4.75 V
标称供电电压:5 V表面贴装:NO
技术:CMOS温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:PIN/PEG
端子节距:2.54 mm端子位置:PERPENDICULAR
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:29.4386 mm
uPs/uCs/外围集成电路类型:DSP PERIPHERAL, MULTIPLIERBase Number Matches:1

LMU12GC20 数据手册

 浏览型号LMU12GC20的Datasheet PDF文件第2页浏览型号LMU12GC20的Datasheet PDF文件第3页浏览型号LMU12GC20的Datasheet PDF文件第4页浏览型号LMU12GC20的Datasheet PDF文件第5页浏览型号LMU12GC20的Datasheet PDF文件第6页 
LMU12  
12 x 12-bit Parallel Multiplier  
DEVICES INCORPORATED  
FEATURES  
DESCRIPTION  
The LMU12 is a high-speed, low  
The TCA and TCB controls specify the  
power 12-bit parallel multiplier. It is A and B operands as twos comple-  
20 ns Worst-Case Multiply Time  
Low Power CMOS Technology  
Replaces Fairchild MPY012H  
pin and functionally compatible with  
Fairchild MPY012H devices. Full  
military ambient temperature range  
operation is attained by the use of  
advanced CMOS technology.  
ment when HIGH, or unsigned  
magnitude when LOW.  
Twos Complement, Unsigned, or  
Mixed Operands  
RND is loaded on the rising edge of  
the logical OR of CLK A and CLK B.  
RND, when HIGH, adds 1’ to the  
most significant bit position of the  
least significant half of the product.  
Subsequent truncation of the 12 least  
Three-State Outputs  
Package Styles Available:  
• 68-pin Ceramic PGA  
The LMU12 produces the 24-bit  
product of two 12-bit numbers. Data  
present at the A inputs, along with  
the TCA control bit, is loaded into the significant bits produces a result  
A register on the rising edge of  
CLK A. B data and the TCB control  
bit are similarly loaded by CLK B.  
correctly rounded to 12-bit precision.  
At the output, the Right Shift control  
(RS) selects either of two output  
formats. RS LOW produces a 23-bit  
product with a copy of the sign bit  
inserted in the MSB position of the  
least significant half. RS HIGH gives  
a full 24-bit product. Two 12-bit  
output registers are provided to hold  
the most and least significant halves  
of the result (MSP and LSP) as  
LMU12 BLOCK DIAGRAM  
TCA  
A
11-0  
TCB  
B11-0  
12  
A REGISTER  
12  
B REGISTER  
CLK A  
CLK B  
defined by RS. These registers are  
loaded on the rising edge of CLK M  
and CLK L respectively. For asyn-  
chronous output, these registers may  
be made transparent by setting the  
feed through control (FT) HIGH.  
RND  
24  
FORMAT ADJUST  
RS  
12  
12  
FT  
CLK M  
RESULT  
REGISTER  
CLK L  
OEL  
OEM  
12  
12  
R
23-12  
R
11-0  
Multipliers  
03/26/1999–LDS.12-O  
1

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