Datasheet > IZ1239M

IZ1239M

更新时间： 2024-09-14 11:08:11

品牌	Logo	应用领域
INTEGRAL		/
页数	文件大小	规格书
6页	79K
描述
8 - DIGITS CURENCY CALCULATOR

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中文翻译

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IZ1239M 数据手册

IZ1239M

8 - DIGITS CURENCY CALCULATOR

The IZ1239M are a single chip CMOS LSI with 8-digit arithmetic operation, single memory,

extraction-of-square-root, percentage calculation and auto power off function, designed for FEM

LCD operation with a 1.5V power supply. The IZ1239M has special keys (C1, C2, SM, RM) for

currency exchange calculations and special memory for save currency rate. The result of

currency exchange operations formatted to two decimal always and rounded if it exceeds two

decimal.

FUNCTIONS

FEATURES

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

• The result of currency exchange operation is

rounded to two decimal

• Single chip CMOS construction

• Floating decimal point

• LCD direct drive

• Auto constant calculations

• Mark-up and mark-down calculations

• Percentage calculations

• Chain multiplication and division

• Power calculations

• Special memory for currency rates

• Overflow indication: “E”

• On-chip oscillator components

• Mirror LCD

• Punctuation comma

• Rough estimate calculations

• Clear key: ON/C, CE

• Currency exchange calculations :

Currency 1 → Currency 2 and

Currency 2 → Currency 1

• Auto Power off

• Saving special memory contents when auto

power off

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

• Currencies C1, C2, SMR, SMW and Rate

indication

• Rounded function (option)

• Formatting function

• Bare chip is available

ABSOLUTE MAXIMUM RATINGS ( T_a= 25^oC )

Characteristic

Terminal Voltage

Symbol

V_DD

V_IN

Value

- 0.3 ~ + 2.1

- 0.3 ~ V_DD+ 0.3

1.1 ~ 1.8

0 ~ + 50

- 55 ~ + 125

Unit

Supply Voltage (Battery)

Operating Temperature

Storage Temperature

V_DD

T_a

T_stg

^oC

12 3 4 5 6

中文翻译

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