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IZ1228M データシート(PDF) 1 Page - Integral Corp.

部品番号 IZ1228M
部品情報  8-DIGIT CALCULATOR
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メーカー  INTEGRAL [Integral Corp.]
ホームページ  http://www.iksemi.com/
Logo INTEGRAL - Integral Corp.

IZ1228M データシート(HTML) 1 Page - Integral Corp.

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IZ1228/IZ1228M
1
8-DIGIT CALCULATOR
The IZ1228/IZ1228M 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 IZ1228M has
special keys (C1, C2, SM) for currency exchange calculations and special memory for save
currency rate.
FUNCTIONS
• Four standard functions (+, -, ×, ÷ )
• Auto constant calculations
• Mark-up and mark-down calculations
• Percentage calculations
• Chain multiplication and division
• Power calculations
• Rough estimate calculations
• Clear key: ON/C, CE
• Currency exchange calculations :
Currency 1
→ Currency 2 and
Currency 2
→ Currency 1
FEATURES
• Single chip CMOS construction
• Floating decimal point
• LCD direct drive
• Special memory for currency rates
• Overflow indication: “E”
• On chip oscillator components
• Direct (IZ1228) or Mirror (IZ1228M) LCD
• Punctuation comma
• Auto Power off
• Saving special memory contents when auto
power off
• Accumulating memory: M+, M-, MR, MC,
MRC
• Bare chip is available
ABSOLUTE MAXIMUM RATINGS ( Ta = 25
oC )
Characteristic
Symbol
Value
Unit
Terminal Voltage
VDD
- 0.3 ~ + 2.1
V
VIN
- 0.3 ~ VDD + 0.3
V
Supply Voltage (Battery)
VDD
1.1 ~ 1.8
V
Operating Temperature
Ta
0 ~ + 50
oC
Storage Temperature
Tstg
- 55 ~ + 125
oC


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