| Manufacturer | Part Number | Description |
|---|---|---|
| MC74HC390 | Dual 4-Stage Binary Ripple Counter | |
Motorola Semiconductor (now NXP Semiconductors)
| MC74HC390 | Dual 4-Stage Binary Ripple Counter |
| MC74HC390A | Dual 4-Stage Binary Ripple Counter | |
Motorola Semiconductor (now NXP Semiconductors)
| MC74HC390A | Dual 4-Stage Binary Ripple Counter |