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LMS1145M, LMS12, LMS12GC-40

Table of contents:
Info of LMS1145M
Info of LMS12
Info of LMS12GC-40

LMS1145M, LMS12, LMS12GC-40 Selling Leads, Datasheet

MFG:NS Package Cooled:SOP24 D/C:99+

LMS1145M, LMS12, LMS12GC-40 Datasheet download

Five Points

Part Number: LMS1145M

MFG: NS

Package Cooled: SOP24

D/C: 99+

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LMS12 General Description

The LMS12 is a high-speed 12 x 12-bit combinatorial multiplier integrated with a 26-bit adder in a single 84-pin package. It is an ideal building block for the implementation of very highspeed FIR filters for video, RADAR, and other similar applications.

The LMS12 implements the general form (A•B) + C. As a result, it is also useful in implementing polynomial approximations to transcendental functions.

LMS12 Maximum Ratings

Storage temperature ........................................................................................................... 65 to +150
Operating ambient temperature .......................................................................................... 55 to +125
VCC supply voltage with respect to ground ......................................................................... 0.5 V to +7.0 V
Input signal with respect to ground ..................................................................................... 3.0 V to +7.0 V
Signal applied to high impedance output ............................................................................. 3.0 V to +7.0 V
Output current into low outputs ........................................................................................................... 25 mA
Latchup current ................................................................................................................................ > 400 mA

LMS12 Features

·12 x 12-bit Multiplier with Pipelined 26-bit Output Summer
·Summer has 26-bit Input Port Fully Independent from Multiplier Inputs
·Cascadable to Form Video Rate FIR Filter with 3-bit Headroom
·A, B, and C Input Registers Separately Enabled for Maximum Flexibility
·28 MHz Data Rate for FIR Filtering Applications
·High Speed, Low Power CMOS Technology
·84-pin PLCC, J-Lead

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