The NE558 series are monolithic Quad Timers which can be used to produce four entirely independent timing functions. These highly stable, general purpose controllers can be used in a monostable mode to produce accurate time delays, from microseconds to hours.
| Part Number | Manufacturer | Description |
|---|---|---|
| NE558 | Philips Semiconductors | Quad timer |
| NE558N | Philips Semiconductors | Quad timer |
| NE5533 | Philips Semiconductors | Dual and single low noise op amp |
| NE5533A | Philips Semiconductors | Dual and single low noise op amp |
| NE5534A | Philips Semiconductors | Dual and single low noise op amp |
| NE5537 | Philips Semiconductors | Sample-and-hold amplifier |
| NE5537D | Philips Semiconductors | Sample-and-hold amplifier |
| NE5539D | Philips Semiconductors | High frequency operational amplifier |
| NE5539N | Philips Semiconductors | High frequency operational amplifier |
| NE556-1 | Philips Semiconductors | Dual timer |
