| Manufacturer | Part Number | Description |
|---|---|---|
Hitachi Semiconductor (now Renesas) |
HD74HC490 | Dual 4-bit Decade Counters |
Golledge Electronics |
HC49-3H | (HC49-3H/-4H) Low Profile Crystal |
|
Golledge Electronics |
HC49-4H | (HC49-3H/-4H) Low Profile Crystal |
| IQD | HC49-4HSMX | CRYSTALS |
| IQD | HC49-4H-AUTO | Quartz Crystal |
| IQD | HC49-4H | Quartz Crystal |
