HCC40181B datasheet(1/12 Pages) STMICROELECTRONICS

Part #	HCC40181B

Description	4-BIT ARITHMETIC LOGIC UNIT

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HCC/HCF40181B

June 1989

4-BIT ARITHMETIC LOGIC UNIT

.

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 AVAIL-

ABLE

.

TYPICAL ADDITION TIME 200ns @ VDD = 10V

.

STANDARDIZED

SYMMETRICAL

OUTPUT

CHARACTERISTICS

.

QUIESCENT CURRENT AT 20V FOR HCC DE-

VICE

.

5V, 10V, AND 15V PARAMETRIC RATINGS

.

INPUT CURRENT OF 100nA AT 18V AND 25

°C

FOR HCC DEVICE

.

100% TESTED FOR QUIESCENT CURRENT

.

MEETS ALL REQUIREMENTS OF JEDEC TEN-

TATIVE STANDARD N

°13A, ”STANDARD SPE-

CIFICATIONS FOR DESCRIPTION OF ”B”

SERIES CMOS DEVICES”

DESCRIPTION

The HCC40181B (extended temperature range)

and HCF40181B (intermediate temperature range)

are monolithic integrated circuits, available in 24-

lead dual in-line plastic or ceramic package and

plastic micro package. The HCC/HCF40181B 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 func-

tions 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 func-

tions, which include AND, OR, NAND, NOR, and ex-

clusive-OR and-NOR in the logical mode, and

addition, subtraction, decrement, left-shift and

straight transfer in the arithmetic mode, according to

the truth table. The HCC/HCF40181B 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

HCC/HCF40181B contains logic for full look-ahead

carry operation for fast carry generation using the

carry-generate and carry-propagate outputs G and

EY

(Plastic Package)

F

(Ceramic Frit Seal Package)

ORDER CODES :

HCC40181BF

HCF40181BEY

HCF40181BM1

PIN CONNECTIONS

M1

(Micro Package)

1/12

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