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HT1660 Datasheet(PDF) 6 Page - Holtek Semiconductor Inc |
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HT1660 Datasheet(HTML) 6 Page - Holtek Semiconductor Inc |
6 / 18 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 -1.8 -0.9 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 -1.8 -0.9 ¾ mA 5V VOH=4.5V -4 -2 ¾ mA IOL3 LCD Common Sink Current 3V VOL=0.3V 80 160 ¾mA 5V VOL=0.5V 180 360 ¾mA IOH3 LCD Common Source Current 3V VOH=2.7V -80 -40 ¾mA 5V VOH=4.5V -180 -90 ¾mA IOL4 LCD Segment Sink Current 3V VOL=0.3V 50 100 ¾mA 5V VOL=0.5V 120 240 ¾mA IOH4 LCD Segment Source Current 3V VOH=2.7V -60 -30 ¾mA 5V VOH=4.5V -140 -70 ¾mA RPH Pull-high Resistor 3V DB0~DB3, WR,CS,RD 150 250 350 k W 5V 60 125 180 k W HT1660 Rev. 1.00 6 September 16, 2003 |
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