Datenblatt-Suchmaschine für elektronische Bauteile |
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IZ1223M Datenblatt(PDF) 1 Page - Integral Corp. |
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IZ1223M Datenblatt(HTML) 1 Page - Integral Corp. |
1 / 8 page IZ1223M 1 BASIC FUNCTION 8-DIGITS LCD CALCULATOR WITH TOUCH TONE AND PUNCTUATION FUNCTION The IZ1223M is a single chip CMOS LSI with 8-digit arithmetic operation, single memory, extraction-of-square-root, percentage calculation and auto power off and punctuation and touch tone function, designed for FEM LCD operation with a 3.0V power supply. FUNCTIONS • Four standard functions (+, -, ×, ÷ ) • Auto constant calculations (constant: multiplicand, divisor, addend and subtrahend) • Square and reciprocal calculations • Mark-up and mark-down calculations • Extraction of square root • Percentage calculations • Chain multiplication and division • Power calculations • Rough estimate calculations • Touch tone function • Punctuation comma display • Clear key: ON/C, ON/CE, CE FEATURES • Single chip CMOS construction • Floating decimal point • LCD direct drive • Overflow indication: “E” • Accumulating memory: M+, M-, RM, CM, RM/CM • Bare chip available • Mirror type ABSOLUTE MAXIMUM RATINGS (Ta = 25 oC) Characteristic Symbol Value Unit Note VGG - 0.3 ~ + 3.5 V Terminal Voltage VIN - 0.3 ~ VGG + 0.3 V 1 Supply Voltage VGG 2.5 ~ 3.5 V Operating Temperature T OPR 0 ~ + 50 oC Storage Temperature Tstg - 55 ~ + 125 oC Note: 1. Maximum voltage on any pin with respect to the GND ELECTRICAL CHARACTERISTICS (Ta = 25 oC, V GG = 3.0V, unless otherwise specified) Characteristic Symbo l Test Condition Min Typ Max Uni t VIH1 VGG - 0.4 Input Voltage 1 (K2 ~ K6, TI, S2) VIL1 0.4 V VIH2 VGG - 0.4 Input Voltage 2 (S1) VIL2 0.2 V IIH1 VIN = VGG 1 Input Current 1 (K2 ~ K6, TI) IIL1 VIN = 0V 5.5 10 µA IIH2 VIN = VGG 1 Input Current 2 (S2) IIL2 VIN = 0V 1 µA IIH3 VIN = VGG 1 Input Current 3 (S1) IIL3 VIN = 0V S2=GN D 5 10 15 µA Input Current 4 (S1) IIH4 VIN = VGG S2 = 20 30 40 µA |
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Ähnliche Beschreibung - IZ1223M |
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