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IZ1228M データシート(PDF) 1 Page - Integral Corp. |
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IZ1228M データシート(HTML) 1 Page - Integral Corp. |
1 / 9 page 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 |
同様の部品番号 - IZ1228M |
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同様の説明 - IZ1228M |
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