| Manufacturer | Part # | Datasheet | Description |
 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 |
 NEC |
UPD4992GS-T2
|
101Kb/16P |
8-Bit Parallel I/O Calendar Clock
|