NE556NE4 规格参数
| Number of Internal Timers | 2 |
| PCB changed | 14 |
| HTS | 8542.39.00.01 |
| ECCN (US) | EAR99 |
| Minimum Operating Temperature (°C) | 0 |
| Maximum Operating Temperature (°C) | 70 |
| Output Logic Level | TTL |
| Supplier Package | PDIP |
| Maximum High Level Output Current (mA) | -200 |
| Package Height | 5.08(Max) - 0.51(Min) |
| Maximum Operating Supply Voltage (V) | 16 |