Datasheet > IZ12291M

IZ12291M

更新时间： 2024-09-10 11:08:11

品牌	Logo	应用领域
INTEGRAL		/
页数	文件大小	规格书
5页	98K
描述
10-DIGITS CALCULATOR

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中文翻译

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数据手册

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IZ12291M 数据手册

IZ12291M

10-DIGITS CALCULATOR

The IZ12291M is a single chip CMOS LSI with 10-digit arithmetic operation, single

memory, extraction-of-square-root, percentage calculation, auto power off and punctuation ,

designed for FEM LCD operation with a 1.5V power supply.

FUNCTIONS

FEATURES

• Four standard functions (+, -, ×, ÷ )

• Square and reciprocal calculations

• Extraction of square root

• Single chip CMOS construction

• Floating decimal point

• LCD direct drive

• Overflow indication: “E”

• On chip oscillator components

• Auto Power off

• Accumulating memory: M+, M-, MR, MC,

MRC

• Auto constant calculations (constant: multiplicand,

divisor,

addend and subtrahend)

• Mark-up and mark-down calculations

• Percentage calculations

• Chain multiplication and division

• Power calculations

• Bare chip is available

Mirror type

• Rough estimate calculations

• Punctuation comma and touch tone mark display

• Clear key: ON/C, CE

LCD CONNECTION

H1 a1 b1 c1 a2 b2 c2 a3 b3 c3 a4 b4 c4 a5

b5 c5 a6 b6 c6 a7 b7 c7 a8 b8 c8 a9 b9 c9 a10 b10 c10 a11 H3 H2

ABSOLUTE MAXIMUM RATINGS ( T_a= 25^oC )

Characteristic Symbol

Value

Unit

Terminal Voltage V_CC

- 0.3 ~ + 2.1

- 0.3 ~ V_CC+ 0.3

0 ~ + 50

V_IN

T_a

Operating Temperature

Storage Temperature

^oC

T_stg

- 55 ~ + 125

ELECTRICAL CHARACTERISTICS (T_a= 25^oC, V_CC= 1.5V, unless otherwise specified)

Characteristic

Symbol

Test Condition

Min

Typ

Max

Unit

Operating

Voltage

Input Voltage

(pins FDISB,

EXT)

V_OP

1.1

1.5

1.8

V_IH

V_IL

V_CC- 0.4

0.4

Input Current 1

(pins FDISB,

EXT)

I_IH1

I_IL1

V_IN= V_CC

V_IN= 0V

µA

1.5

2.5

Input Current 2

I_IH2

V_IN= V_CC; APODISB =

12 3 4 5

中文翻译

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