Holtek ic pdf,electronic components datasheet search,ic pdf. Then, choose either single mode or burst mode to input. Ht80ht81 serial timekeeper chip features operating voltage. Ht81 datasheet, ht81 pdf, ht81 data sheet, ht81 manual, ht81 pdf, ht81, datenblatt, electronics ht81, alldatasheet, free, datasheet, datasheets, data. The ht80ht81 is a serial timekeeper ic which provides seconds, minutes, hours, day, date, month. Offer ht81 ht from kynix semiconductor hong kong limited. The writeprotect register should be set first before restarting the system or before writing the new datasheet search, datasheets, datasheet search site for. Holtek serial timekeeper chip,alldatasheet, datasheet, datasheet search site for electronic. Data can be writteninto the designated register only if the writeprotect signal wp is set to logic 0. Buy your ht818soplf from an authorized holtek distributor. U you can also download the datasheet for ht8, ht80, ht808dep. Serial timekeeper chip, ht81 datasheet, ht81 circuit, ht81 data sheet. Datasheet or technical specification in pdf format is available on request for download. Ht81 datasheet pdf 10 page holtek semiconductor inc.
These documents may be downloaded directly from the freescale web site, or printed versions may. The ht is a serial timekeeper ic which provides seconds, minutes, hours, day, date, month and year information. The number of days in each month and leap years are automatically adjusted. Choose quality semiconductor and circuits for vl82c104qc datasheet, pricing, specs and availability. Ht81 datasheetpdf 10 page holtek semiconductor inc. Offer 2sc1066 from kynix semiconductor hong kong limited. Ht81 datasheet pdf 8 page holtek semiconductor inc. Ht80 datasheet, ht80 pdf, ht80 data sheet, ht80 manual, ht80 pdf, ht80, datenblatt, electronics.
Ht80ht816october 2, 1999write protect registerthis register is used to prevent a write operation to any other register. Holtek, alldatasheet, datasheet, datasheet search site for electronic components and. Buy ht818soplf holtek timekeeper ic, date time format datemonth year hh. In using the ht80 ht81, set first the wp and ch to 0 and wait for about 3 seconds, the oscilla tor will generate the clocks for internal use. Ht80ht81serial timekeeper chipblock diagrampin assignment1october 2, 1999featuresoperating voltage. The ht80 ht81 is designed for low power consumption and can operate in two modes.
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