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IZ1242M Datasheet(PDF) 2 Page - Integral Corp. |
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IZ1242M Datasheet(HTML) 2 Page - Integral Corp. |
2 / 18 page IZ1242M 2 ELECTRICAL CHARACTERISTICS (Ta = 25 oC, V DD = 3.0V, VSS = 0V unless otherwise specified) Characteristic Symbol Test Condition Min Typ Max Unit Operating Voltage VDD 2.5 3 3.4 V VIH VDD - 0.5 VDD Input Voltage (K18 ~ K11) VIL VSS VSS+0.5 V High Output Voltage (K18, K14, K12) VOH VDD - 0.2 VDD VDD V VOH VDD -0.2 VDD VDD Output Voltage (LCD, COM) VOL VSS VSS VSS +0.2 V Low Output Voltage (K11) VOL VSS VSS 0.2 V 2/3VDD -0.2 2/3VDD 2/3VDD +0.2 Middle Output Voltage (LCD, COM) VOM 1/3VDD -0.2 1/3VDD 1/3VDD +0.2 V Key Pull Down Resistance (K11) Rpd Vout = 0V 30 50 70 K Ω Key Pull Up Resistance (K18, K14, K12) Rpu Vout VDD 30 50 70 K Ω Fdis Stand-by VDD = 3V 30 45 OSC Frequency Fopr Operating VDD = 3V 200 280 KHz Frame Frequency Ff Stand-by VDD = 3V 110 180 Hz IOFF Display is off VDD = 3V 1 3 IDIS Stand-by VDD = 3V 20 35 Supply Current IOPR Operation VDD = 3V 70 120 µA BASIC SPECIFICATION Number of display digits • 10-digit display and 14 kinds of special displays • Engineering display • Max mantissa 8 digits plus exponent 2 digits plus each negative code digit • Normal display Max 10 mantissa digits plus 1 negative code 6 digit. It is possible to specify the number of 0 to 9 digits below the decimal place by assignment of the decimal digit. Classification of operating mode The following 6 types of operation mode are set by the 2ndF key and below keys: 2ndF STAT : Statistic calculation mode set 2ndF CLPX : Complex number calculation mode set 2ndF - BIN : Binary mode set 2ndF - OCT : Octal mode set 2ndF - HEX : Hexadecimal mode set 2ndF - DEC : Decimal mode set |
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