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SC3442RV

SCIENTIFIC 10-DIGITS LCD CALCULATOR

Silan Microelectronics 

Silan

Semiconductors

SC3442

SCIENTIFIC 10-DIGITS LCD

CALCULATOR

DESCRIPTION

The SC3442 is the CMOS LSI for a 10-digits display and the

complete single chip for scientific calculator with 56 programmed

functions.

FEATURES

* Display

-- 10 display digits plus negative code digits.

-- Scientific and engineering display.

-- 8 mantissa digits plus 2 exponent digits plus 2 negative code

digits.

* 14 kinds of special display

M Memory

GRAD Gradient

–

Minus

()

Parenthesis

E

Error

BIN

Binary mode

2ndF 2nd Function

OCT

Octal mode

HYP Hyperbolic

HEX

Hexadecimal mode

DEG Degree

CMX

Complex number mode

RAD Radian

STAT Statistic calculation mode

* The minus sign of the mantissa is floating minus.

* The arithmatic key operation has the same sequence as the

mathematical equation, 6 pending operations are allowed and ( )

are up to continuous 15 levels.

* Mutual conversion and calculation in arithmetic among binary,

octal, decimal, and hexadecimal numbers.

* One independent accumulating memory.

* It is possible to convert and fix the display number system by the

F→E key.

SC3442 chip topography

ORDERING INFORMATION

Device Package

FL

SC3442 RV

FW

SC3442P

48 QFP

Bare Chip

Operating

Temperature

0 ~ +40k

* It is possible to specify decimal part

digits by the TAB key.

* Direct drive for LCD (1/3 prebias, 1/4

duty)

* Automatic power off (about 7.5 minutes)

* Low power consumption

VDD=3.0V single power supply.

* 48 QFP and bare chip available

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0 2000.12.20

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