制造商 | 部件名 | 数据表 | 功能描述 |
NEC |
UPD4990A
|
129Kb/20P |
SERIAL I/O CALENDAR & CLOCK CMOS LSI
|
Renesas Technology Corp |
UPD4990A
|
261Kb/22P |
MOS INTEGRATED CIRCUIT
1989 |
NEC |
UPD4990AC
|
129Kb/20P |
SERIAL I/O CALENDAR & CLOCK CMOS LSI
|
Renesas Technology Corp |
UPD4990AC
|
261Kb/22P |
MOS INTEGRATED CIRCUIT
1989 |
NEC |
UPD4990AG
|
129Kb/20P |
SERIAL I/O CALENDAR & CLOCK CMOS LSI
|
Renesas Technology Corp |
UPD4990AG
|
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 |
UPD4991AGS
|
313Kb/34P |
MOS INTEGRATED CIRCUIT
1993 |
NEC |
UPD4991AGS
|
133Kb/32P |
4-BIT PARALLEL I/O CALENDAR CLOCK
|
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 |