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HT46C63-56SSOP-A Datasheet(PDF) 5 Page - Holtek Semiconductor Inc |
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HT46C63-56SSOP-A Datasheet(HTML) 5 Page - Holtek Semiconductor Inc |
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5 / 44 page  Pin Name I/O Option Description OSC1 OSC2 I O RC or crystal A resistor across OSC1 and VDD or a crystal across OSC1 and OSC2 will generate a system clock. OSC3 OSC4 I O ¾ 32768Hz crystal across OSC3 and OSC4 will generate RTC clock signal which only provides system timing. CMPN I ¾ Negative input for comparator CMPP I ¾ Positive input for comparator CMPO O ¾ Comparator output CHGO O ¾ Comparator output with 32768Hz carrier VDD ¾¾ Positive power supply AVDD ¾¾ A/D converter Positive power supply, AVDD should be externally con- nected to VDD VSS ¾¾ Negative power supply, ground RES I ¾ Schmitt trigger reset input VLCD I/O ¾ LCD highest voltage; should be connected to VDD with external resistor. SEG0~SEG18 O SEG7~SEG18 logical CMOS LCD segment signal driving outputs SEG7~SEG10 can be optioned as out- put lines. SEG11~SEG14, SEG15~SEG18 can be optioned as a high sink- ing output lines. COM0~COM2 COM3/SEG19 O COM3 or SEG19 LCD common signal driving outputs Absolute Maximum Ratings Supply Voltage ...........................VSS -0.3V to VSS+6.0V Storage Temperature ............................ -50°Cto125°C Input Voltage..............................VSS -0.3V to VDD+0.3V Operating Temperature........................... -40°Cto85°C 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 reliabil- ity. D.C. Characteristics Ta=25 °C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions VDD Operating Voltage ¾ fSYS=4MHz 2.2 ¾ 5.5 V fSYS=8MHz 3.3 ¾ 5.5 V IDD1 Operating Current (RC OSC) (Analog Circuit Disabled) 3V No load, fSYS=4MHz ¾ 12 mA 5V ¾ 35 IDD2 Operating Current (RC OSC) 3V No load, fSYS=4MHz ¾ 12 mA 5V ¾ 35 IDD3 Operating Current 5V No load, fSYS=8MHz ¾ 35 mA ISTB1 Standby Current (WDT OSC On, RTC Off, LCD Off) 3V No load, System HALT ¾¾ 5 mA 5V ¾¾ 15 ISTB2 Standby Current (WDT OSC Off, RTC Off, LCD Off) 3V System HALT ¾¾ 1 mA 5V ¾¾ 1 HT46R63/HT46C63 Rev. 1.90 5 May 17, 2004 |
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Similar Description - HT46C63-56SSOP-A |
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