NE558 Datasheet PDF – Quad timer, DIP 16 – Philips

Part Number : NE558

Function : Quad timer

Package : DIP 16 Pin Type

Manufacturers : Philips Electronics

Pinouts :
NE558 datasheet

Description :

The NE558 Quad Timers are monolithic timing devices which can be used to produce four independent timing functions. The NE558 output sinks current. These highly stable, general purpose controllers can be used in a monostable mode to produce accurate time delays—from microseconds to hours. In the time delay mode of operation, the time is precisely controlled by one external resistor and one capacitor. A stable operation can be achieved by using two of the four timer sections.

The four timer sections in the NE558 are edge-triggered; therefore, when connected in tandem for sequential timing applications, no coupling capacitors are required. Output current capability of 100 mA is provided in both devices.


1. 100 mA output current per section
2. Edge-triggered (no coupling capacitor)
3. Output independent of trigger conditions
4. Wide supply voltage range 4.5 V to 16 V
5. Timer intervals from microseconds to hours
6. Time period equals RC
7. Military qualifications pending.


1. Sequential timing
2. Time delay generation
3. Precision timing
4. Industrial controls
5. Quad one-shot.

Other data sheets within the file : 558, NE558D, NE558F, NE558N

NE558 Datasheet PDF Download

NE558 pdf


TDA5630 Datasheet – 9V VHF, UHF Mixer/Oscillator – Philips

Part Number : TDA5630

Function : 9 V VHF, hyperband and UHF mixer/oscillator for TV and VCR 3-band tuner

Pakcage : SO, SSOP 20 Pin type

Manufacturers : Philips Electronics

Pinouts :

TDA5630 datasheet


Description :

The TDA5630 and TDA5631 are monolithic integrated circuits that perform the mixer/oscillator functions for bands A, B and C in TV and VCR tuners. These low-power mixer/oscillators require a power supply of 9 V and are available in a very small package. The devices give the designer the capability to design an economical and physically small 3-band tuner.


1. Balanced mixer with a common emitter input for ban (single input)
2. 2-pin oscillator for bands A and B
3. Balanced mixer with a common base input for bands B and C (balanced input)
4. 3-pin oscillator for band C
5. Local oscillator buffer output for external synthesize
6. SAW filter preamplifier with a low output impedance drive the SAW filter directly
7. Band gap voltage stabilizer for oscillator stability
8. Electronic band switch


1. 3-band all channel TV and VCR tuners
2. Any standard.

Other data sheets within the file : TDA5630AM/C1, TDA5630M, TDA5630M/C1, TDA5631, TDA5630BT

TDA5630 Datasheet PDF Download

TDA5630 pdf