Datasheet > CD40181

CD40181

更新时间： 2024-09-13 22:56:43

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
10页	143K
描述
CMOS 4 Bit Arithmetic Logic Unit

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CD40181 数据手册

CD40181BMS

CMOS 4 Bit Arithmetic Logic Unit

December 1992

Features

Description

• High Voltage Type (20V Rating)

• Full Look Ahead Carry for Speed Operations on Long

Words

• Generates 16 Logic Functions of Two Boolean Variables

• Generates 16 Arithmetic Functions of Two 4 Bit Binary

Words

• A = B comparator Output Available

• Ripple Carry Input and Output Available

• Typical Addition Time 200ns at VDD = 10V

• 100% Tested for Quiescent Current at 20V

• 5V, 10V and 15V Parametric Ratings

• Maximum Input Current of 1µA at 18V Over Full Pack-

age Temperature Range; 100nA at 18V and +25^oC

• Noise Margin (Over Full Package/Temperature Range)

- 1V at VDD = 5V

The CD40181BMS is a low power four bit parallel arithmetic

logic unit (ALU) capable of providing 16 binary arithmetic

operations on two four-bit words and 16 logical functions of

two Boolean variables. The mode control input M selects

logical (M = High) or arithmetic (M = Low) operation. The

four select inputs (S0, S1, S2, and S3) select the desired

logical or arithmetic functions, which include AND, OR,

NAND, NOR and exclusive-OR and-NOR in the logic mode,

and addition, subtraction, decrement, left-shift and straight

transfer in the arithmetic mode, according to the truth table.

The CD40181BMS operation may be interpreted with either

active-low or active-high data at the A and B word inputs and

the function outputs F, by using the appropriate truth table.

The CD40181BMS contains logic for full look ahead carry

operation for fast carry generation using the carry-generate

and carry-propagate outputs G and P for the four bits of the

CD40181BMS. Use of the CD40182BMS look-ahead carry

generator in conjunction with multiple CD40181BMS’s

permits high speed arithmetic operations on long words. A

- 2V at VDD = 10V

- 2.5V at VDD = 15V

• Standardized Symmetrical Output Characteristics

• Meets All Requirements of JEDEC Tentative Standard ripple carry output Cn+4 is available for use in systems

No. 13B, “Standard Speciﬁcations for Description of where speed is not of primary importance.

‘B’ Series CMOS Devices”

Also included in the CD40181BMS is a comparator output

A = B, which assumes a high level whenever the two four-bit

input words A and B are equal and the device is in the

Applications

subtract mode. In addition, relative magnitude information

may be derived from the carry-in input Cn and ripple carry-

• Parallel Arithmetic Units

• Process Controllers

out output Cn+4 by placing the unit in the subtract mode and

• Low Power Minicomputers

externally decoding using the information in Table B.

The CD40181BMS is similar to industry types MC14581 and

74181.

Pinout

CD40181BMS ACTIVE-LOW DATA

The CD40181BMS is supplied in these 24-lead outline

packages:

TOP VIEW

Braze Seal DIP

Ceramic Flatpack

HNZ

H4P

VDD

Cn+4

A = B

VSS

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

File Number 3361

7-1400

12 3 4 5 6 7...10

中文翻译

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与CD40181相关器件

型号	品牌	获取价格	描述	数据表
CD40181BH	ETC	获取价格	Logic IC
CD40181BJ/3	ETC	获取价格	Logic IC
CD40181BK	ETC	获取价格	Fixed Point ALU
CD40181BK/3	ETC	获取价格	Logic IC
CD40181BMS	INTERSIL	获取价格	CMOS 4 Bit Arithmetic Logic Unit
CD40182	INTERSIL	获取价格	CMOS Look-Ahead Carry Generator
CD40182BD3	ETC	获取价格	Look-Ahead Carry Generator
CD40182BDMSH	RENESAS	获取价格	Look-Ahead Carry Generator, 4000/14000/40000 Series, 4-Bit, CMOS, CDIP16
CD40182BE98	RENESAS	获取价格	Look-Ahead Carry Generator, CMOS, PDIP16
CD40182BH	ETC	获取价格	Logic IC

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