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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HT1647 датащи(PDF) 7 Page - Holtek Semiconductor Inc |
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HT1647 датащи(HTML) 7 Page - Holtek Semiconductor Inc |
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7 / 24 page  D.C. Characteristics Ta=25°C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions VDD Operating Voltage ¾¾ 2.7 ¾ 5.2 V IDD1 Operating Current 3V No load/LCD ON On-chip RC oscillator ¾ 150 250 mA 5V ¾ 250 370 mA IDD2 Operating Current 3V No load/LCD ON Crystal oscillator ¾ 135 200 mA 5V ¾ 200 300 mA IDD11 Operating Current 3V No load/LCD OFF On-chip RC oscillator ¾ 15 30 mA 5V ¾ 50 70 mA IDD22 Operating Current 3V No load/LCD OFF Crystal oscillator ¾ 210 mA 5V ¾ 310 mA ISTB Standby Current 3V No load Power down mode ¾¾ 1 mA 5V ¾¾ 2 mA VIL Input Low Voltage 3V DB0~DB3, WR,CS, RD 0 ¾ 0.6 V 5V 0 ¾ 1.0 V VIH Input High Voltage 3V DB0~DB3, WR,CS, RD 2.4 ¾ 3V 5V 4.0 ¾ 5V IOL1 BZ, BZ, IRQ Sink Current 3V VOL=0.3V 1.2 2.5 ¾ mA 5V VOL=0.5V 36 ¾ mA IOH1 BZ, BZ Source Current 3V VOH=2.7V -0.9 -1.8 ¾ mA 5V VOH=4.5V -2 -4 ¾ mA IOL2 DB0~DB3 Sink Current 3V VOL=0.3V 1.2 2.5 ¾ mA 5V VOL=0.5V 36 ¾ mA IOH2 DB0~DB3 Source Current 3V VOH=2.7V -0.9 -1.8 ¾ mA 5V VOH=4.5V -2 -4 ¾ mA IOL3 LCD Common Sink Current 3V VOL=0.3V 50 100 ¾mA 5V VOL=0.5V 100 200 ¾mA IOH3 LCD Common Source Current 3V VOH=2.7V -25 -50 ¾mA 5V VOH=4.5V -50 -100 ¾mA IOL4 LCD Segment Sink Current 3V VOL=0.3V 30 60 ¾mA 5V VOL=0.5V 60 120 ¾mA IOH4 LCD Segment Source Current 3V VOH=2.7V -20 -40 ¾mA 5V VOH=4.5V -35 -70 ¾mA RPH Pull-high Resistor 3V DB0~DB3, WR,CS, RD 150 250 350 kW 5V 60 125 180 kW HT1647 7 April 21, 2000 |
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