MOS INTEGRATED CIRCUIT

FEATURES ? Built-in counters for time (hour, minute, and second) and date (year, month, day, and week) ? Leap years are adjusted automatically. ? Data is represented in BCD notation (except months in hexadecimal notation) and input/output serially. ? Commands can be set by inputting serial dat

文件：261.709 Kbytes 頁數(shù)：22 Pages

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SERIAL I/O CALENDAR & CLOCK CMOS LSI

SEMICONDUCTOR SELECTION GUIDE Microcomputer IC Memory Semi-Custom IC Particular Purpose IC General Purpose Linear IC Transistor / Diode / Thyristor Microwave Device / Consumer Use High Frequency Device Optical Device Packages Index (Quick Reference by Type N

文件：129.97 Kbytes 頁數(shù)：20 Pages

NEC

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SERIAL I/O CALENDAR & CLOCK CMOS LSI

SEMICONDUCTOR SELECTION GUIDE Microcomputer IC Memory Semi-Custom IC Particular Purpose IC General Purpose Linear IC Transistor / Diode / Thyristor Microwave Device / Consumer Use High Frequency Device Optical Device Packages Index (Quick Reference by Type N

文件：129.97 Kbytes 頁數(shù)：20 Pages

NEC

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MOS INTEGRATED CIRCUIT

FEATURES ? Built-in counters for time (hour, minute, and second) and date (year, month, day, and week) ? Leap years are adjusted automatically. ? Data is represented in BCD notation (except months in hexadecimal notation) and input/output serially. ? Commands can be set by inputting serial dat

文件：261.709 Kbytes 頁數(shù)：22 Pages

RENESAS

瑞薩

MOS INTEGRATED CIRCUIT

FEATURES ? Built-in counters for time (hour, minute, and second) and date (year, month, day, and week) ? Leap years are adjusted automatically. ? Data is represented in BCD notation (except months in hexadecimal notation) and input/output serially. ? Commands can be set by inputting serial dat

文件：261.709 Kbytes 頁數(shù)：22 Pages

RENESAS

瑞薩

SERIAL I/O CALENDAR & CLOCK CMOS LSI

SEMICONDUCTOR SELECTION GUIDE Microcomputer IC Memory Semi-Custom IC Particular Purpose IC General Purpose Linear IC Transistor / Diode / Thyristor Microwave Device / Consumer Use High Frequency Device Optical Device Packages Index (Quick Reference by Type N

文件：129.97 Kbytes 頁數(shù)：20 Pages

NEC

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SERIAL I/O CALENDAR & CLOCK CMOS LSI

Renesas

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SERIAL I/O CALENDAR & CLOCK CMOS LSI

SERIAL I/O CALENDAR & CLOCK CMOS LSIThe μPD4990A is a CMOS LSI developed to input/output calendar & clock data serially to/from the micro computer. The crystal frequency is 32.768 kHz and the data items included are time, minute, second, year, month, day, and week.FEATURES\n? Built-in counters for t ? Built-in counters for time (hour, minute, and second) and date (year, month, day, and week)\n? Leap years are adjusted automatically.\n? Data is represented in BCD notation (except months in hexadecimal notation) and input/output serially.\n? Commands can be set by inputting serial data.\n? Select;

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