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HT1621G Datasheet(PDF) 5 Page - Holtek Semiconductor Inc |
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HT1621G Datasheet(HTML) 5 Page - Holtek Semiconductor Inc |
5 / 21 page Absolute Maximum Ratings Supply Voltage ...........................VSS -0.3V to VSS+5.5V Storage Temperature ............................ -50oCto125oC Input Voltage..............................VSS -0.3V to VDD+0.3V Operating Temperature........................... -40oCto85oC Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability. D.C. Characteristics Ta=25 °C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions VDD Operating Voltage ¾¾ 2.4 ¾ 5.2 V IDD1 Operating Current 3V No load/LCD ON On-chip RC oscillator ¾ 150 300 mA 5V ¾ 300 600 mA IDD2 Operating Current 3V No load/LCD ON Crystal oscillator ¾ 60 120 mA 5V ¾ 120 240 mA IDD3 Operating Current 3V No load/LCD ON External clock source ¾ 100 200 mA 5V ¾ 200 400 mA ISTB Standby Current 3V No load, Power down mode ¾ 0.1 5 mA 5V ¾ 0.3 10 mA VIL Input Low Voltage 3V DATA, WR,CS,RD 0 ¾ 0.6 V 5V 0 ¾ 1.0 V VIH Input High Voltage 3V DATA, WR,CS,RD 2.4 ¾ 3.0 V 5V 4.0 ¾ 5.0 V IOL1 DATA, BZ, BZ, IRQ 3V VOL=0.3V 0.5 1.2 ¾ mA 5V VOL=0.5V 1.3 2.6 ¾ mA IOH1 DATA, BZ, BZ 3V VOH=2.7V -0.4 -0.8 ¾ mA 5V VOH=4.5V -0.9 -1.8 ¾ mA IOL2 LCD Common Sink Current 3V VOL=0.3V 80 150 ¾mA 5V VOL=0.5V 150 250 ¾mA IOH2 LCD Common Source Current 3V VOH=2.7V -80 -120 ¾mA 5V VOH=4.5V -120 -200 ¾mA IOL3 LCD Segment Sink Current 3V VOL=0.3V 60 120 ¾mA 5V VOL=0.5V 120 200 ¾mA IOH3 LCD Segment Source Current 3V VOH=2.7V -40 -70 ¾mA 5V VOH=4.5V -70 -100 ¾mA RPH Pull-high Resistor 3V DATA, WR,CS,RD 60 120 200 k W 5V 30 60 100 k W HT1621/HT1621G Rev. 2.90 5 November 9, 2010 PATENTED |
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