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 Po...
IZ1228: Features: • Single chip CMOS construction• Floating decimal point• LCD direct drive• Special memory for currency rates• Overflow indication: E • On chip oscillat...
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Symbol | Parameter | Rating | Unit |
VDD | Terminal Voltage | - 0.3 ~ + 2.1 | V |
VIN | Terminal Voltage | - 0.3 ~ VDD + 0.3 | V |
VDD | Supply Voltage (Battery) | 1.1 ~ 1.8 | V |
Ta | Operating Temperature | 0 ~ + 50 | |
Tstg | Storage Temperature | - 55 ~ + 125 |
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.