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HT49R50A-1 Datasheet(PDF) 6 Page - Holtek Semiconductor Inc |
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HT49R50A-1 Datasheet(HTML) 6 Page - Holtek Semiconductor Inc |
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6 / 44 page  Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions VIH1 Input High Voltage for I/O Ports, TMR and INT ¾ For HT49C50L 0.8VDD ¾ VDD V For HT49R50A-1/HT49C50-1 0.7VDD ¾ VDD V VIL2 Input Low Voltage (RES) ¾¾ 0 ¾ 0.4VDD V VIH2 Input High Voltage (RES) ¾¾ 0.9VDD ¾ VDD V IOL1 I/O Port Sink Current 1.5V VOL=0.1VDD 0.4 0.8 ¾ mA 3V 6 12 ¾ mA 5V 10 25 ¾ mA IOH1 I/O Port Source Current 1.5V VOH=0.9VDD -0.3 -0.6 ¾ mA 3V -2 -4 ¾ mA 5V -5 -8 ¾ mA IOL2 LCD Common and Segment Current 3V VOL=0.1VDD 210 420 ¾mA 5V 350 700 ¾mA IOH2 LCD Common and Segment Current 3V VOH=0.9VDD -80 -160 ¾mA 5V -180 -360 ¾mA RPH Pull-high Resistance 1.5V ¾ 75 150 300 k W 3V 20 60 100 k W 5V 10 30 50 k W VLVR Low Voltage Reset Voltage ¾¾ 2.7 3.2 3.6 V VLVD Low Voltage Detector Voltage ¾¾ 3.0 3.3 3.6 V Note: ²*² for the value of VA refer to the LCD driver section. ²*fS² please refer to WDT clock option HT49R50A-1/HT49C50-1/HT49C50L Rev. 2.20 6 December 16, 2009 |
Similar Part No. - HT49R50A-1 |
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Similar Description - HT49R50A-1 |
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