UPD4990AC Datasheet, PDF

Manufacturer

Manufacturer	Part #	Datasheet	Description
NEC	UPD4990AC	129Kb/20P	SERIAL I/O CALENDAR & CLOCK CMOS LSI
Renesas Technology Corp	UPD4990AC	261Kb/22P	MOS INTEGRATED CIRCUIT 1989

Manufacturer	Part #	Datasheet	Description
NEC	UPD4990AG	129Kb/20P	SERIAL I/O CALENDAR & CLOCK CMOS LSI
Renesas Technology Corp	UPD4990AG	261Kb/22P	MOS INTEGRATED CIRCUIT 1989
NEC	UPD4990A	129Kb/20P	SERIAL I/O CALENDAR & CLOCK CMOS LSI
Renesas Technology Corp	UPD4990A	261Kb/22P	MOS INTEGRATED CIRCUIT 1989
NEC	UPD4991A	133Kb/32P	4-BIT PARALLEL I/O CALENDAR CLOCK
Renesas Technology Corp	UPD4991A	313Kb/34P	MOS INTEGRATED CIRCUIT 1993
NEC	UPD4991ACX	133Kb/32P	4-BIT PARALLEL I/O CALENDAR CLOCK
Renesas Technology Corp	UPD4991ACX	313Kb/34P	MOS INTEGRATED CIRCUIT 1993
NEC	UPD4991AGS	133Kb/32P	4-BIT PARALLEL I/O CALENDAR CLOCK
Renesas Technology Corp	UPD4991AGS	313Kb/34P	MOS INTEGRATED CIRCUIT 1993
NEC	UPD4992	101Kb/16P	8-Bit Parallel I/O Calendar Clock
Renesas Technology Corp	UPD4992	299Kb/18P	MOS INTEGRATED CIRCUIT 1992
NEC	UPD4992CX	101Kb/16P	8-Bit Parallel I/O Calendar Clock
Renesas Technology Corp	UPD4992CX	299Kb/18P	MOS INTEGRATED CIRCUIT 1992
NEC	UPD4992GS	101Kb/16P	8-Bit Parallel I/O Calendar Clock
Renesas Technology Corp	UPD4992GS	299Kb/18P	MOS INTEGRATED CIRCUIT 1992
NEC	UPD4992GS-E2	101Kb/16P	8-Bit Parallel I/O Calendar Clock
Renesas Technology Corp	UPD4992GS-E2	299Kb/18P	MOS INTEGRATED CIRCUIT 1992
NEC	UPD4992GS-T1	101Kb/16P	8-Bit Parallel I/O Calendar Clock
Renesas Technology Corp	UPD4992GS-T1	299Kb/18P	MOS INTEGRATED CIRCUIT 1992

UPD4990AC Datasheet ,PDF