Datasheet UPD4991ACX Equivalent ( PDF )

N.º	Número de pieza	Descripción	Fabricantes	PDF
1	UPD4991ACX	4-BIT PARALLEL I/O CALENDAR CLOCK DATA SHEET MOS INTEGRATED CIRCUIT µPD4991A 4-BIT PARALLEL I/O CALENDAR CLOCK The µPD4991A is a CMOS integrated circuit that has the ability to input/output 4-bit parallel time data and calendar data to/from a microcomputer and includes an alarm function. Its reference oscillation frequency is 3	NEC

UPD4991 Datasheet ( Hoja de datos ) - resultados coincidentes

Número de pieza	Descripción	Fabricantes	PDF
UPD4991A	4-BIT PARALLEL I/O CALENDAR CLOCK DATA SHEET MOS INTEGRATED CIRCUIT µPD4991A 4-BIT PARALLEL I/O CALENDAR CLOCK The µPD4991A is a CMOS integrated circuit that has the ability to input/output 4-bit parallel time data and calendar data to/from a microcomputer and includes an alarm function. Its reference oscill	NEC
UPD4991AGS	4-BIT PARALLEL I/O CALENDAR CLOCK DATA SHEET MOS INTEGRATED CIRCUIT µPD4991A 4-BIT PARALLEL I/O CALENDAR CLOCK The µPD4991A is a CMOS integrated circuit that has the ability to input/output 4-bit parallel time data and calendar data to/from a microcomputer and includes an alarm function. Its reference oscill	NEC
UPD4991ACX	4-BIT PARALLEL I/O CALENDAR CLOCK DATA SHEET MOS INTEGRATED CIRCUIT µPD4991A 4-BIT PARALLEL I/O CALENDAR CLOCK The µPD4991A is a CMOS integrated circuit that has the ability to input/output 4-bit parallel time data and calendar data to/from a microcomputer and includes an alarm function. Its reference oscill	NEC

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Número de pieza	Descripción	Fabricantes	PDF
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