Specifications
| Type | Description |
|---|---|
| Part Number | NE555P |
| Manufacturer | Texas Instruments |
| Product Type | Operational Amplifier |
| Category | Signal Chain |
| Package / Case | P package, PDIP, 8 pins |
| Operating Mode | Astable or monostable operation; general feature |
| Timing Range | Microseconds to hours; general feature |
| Output Current Capability | Up to 200 mA sink or source; TTL-compatible output |
| Recommended Supply Voltage | 4.5-16 V; NA555, NE555, SA555 |
| Operating Free-Air Temperature | 0-70°C; NE555 |
| Recommended Output Current | ±200 mA; recommended operating conditions |
| Absolute Maximum Supply Voltage | 18 V; with respect to GND |
| Absolute Maximum Input Voltage | VCC; CONT, RESET, THRES, TRIG |
| Absolute Maximum Output Current | ±225 mA; absolute maximum ratings |
| Maximum Virtual Junction Temperature | 150°C; absolute maximum ratings |
| Storage Temperature | -65 to 150°C; absolute maximum ratings |
| HBM ESD Rating | ±500 V; ANSI/ESDA/JEDEC JS-001 |
| CDM ESD Rating | ±1500 V; ANSI/ESDA/JEDEC JS-002 |
| Junction-to-Ambient Thermal Resistance | 98.5°C/W; P package, PDIP, 8 pins |
| Junction-to-Case Top Thermal Resistance | 77.8°C/W; P package, PDIP, 8 pins |
| Junction-to-Board Thermal Resistance | 61.0°C/W; P package, PDIP, 8 pins |
| Junction-to-Top Characterization Parameter | 43.9°C/W; P package, PDIP, 8 pins |
| Junction-to-Board Characterization Parameter | 60.3°C/W; P package, PDIP, 8 pins |
| Threshold Voltage Level at VCC=15 V | 8.8 V min, 10 V typ, 11.2 V max; NA555/NE555/SA555, TA=25°C |
| Threshold Voltage Level at VCC=5 V | 2.4 V min, 3.3 V typ, 4.2 V max; NA555/NE555/SA555, TA=25°C |
| Threshold Current | 30 nA typ, 250 nA max; VCC=5 V to 15 V, TA=25°C |
| Trigger Voltage Level at VCC=15 V | 4.5 V min, 5 V typ, 5.6 V max; NA555/NE555/SA555, TA=25°C |
| Trigger Voltage Level at VCC=5 V | 1.1 V min, 1.67 V typ, 2.2 V max; NA555/NE555/SA555, TA=25°C |
| Trigger Current | 0.5 µA typ, 2 µA max; TRIG at 0 V, NA555/NE555/SA555 |
| Reset Voltage Level | 0.3 V min, 0.7 V typ, 1 V max; VCC=5 V to 15 V, TA=25°C |
| Reset Current at VCC | 0.1 mA typ, 0.4 mA max; RESET at VCC |
| Reset Current at 0 V | -0.4 mA typ, -1.5 mA max; RESET at 0 V, NA555/NE555/SA555 |
| Discharge Switch Off-State Current | 20 nA typ, 100 nA max; VCC=5 V to 15 V, TA=25°C |
| Discharge Switch On-State Voltage | 0.15 V typ, 0.4 V max; VCC=5 V, IO=8 mA, NA555/NE555/SA555 |
| Control Voltage Open Circuit at VCC=15 V | 9 V min, 10 V typ, 11 V max; NA555/NE555/SA555 |
| Control Voltage Open Circuit at VCC=5 V | 2.6 V min, 3.3 V typ, 4 V max; NA555/NE555/SA555 |
| Low-Level Output Voltage at VCC=15 V, IOL=10 mA | 0.1 V typ, 0.25 V max; NA555/NE555/SA555 |
| Low-Level Output Voltage at VCC=15 V, IOL=50 mA | 0.4 V typ, 0.75 V max; NA555/NE555/SA555 |
| Low-Level Output Voltage at VCC=15 V, IOL=100 mA | 2 V typ, 2.5 V max; NA555/NE555/SA555 |
| Low-Level Output Voltage at VCC=15 V, IOL=200 mA | 2.5 V max |
| Low-Level Output Voltage at VCC=5 V, IOL=5 mA | 0.1 V typ, 0.35 V max; NA555/NE555/SA555 |
| Low-Level Output Voltage at VCC=5 V, IOL=8 mA | 0.15 V typ, 0.4 V max; NA555/NE555/SA555 |
| High-Level Output Voltage at VCC=15 V, IOH=-100 mA | 12.75 V min, 13.3 V typ; NA555/NE555/SA555 |
| High-Level Output Voltage at VCC=15 V, IOH=-200 mA | 12.5 V min |
| High-Level Output Voltage at VCC=5 V, IOH=-100 mA | 2.75 V min, 3.3 V typ; NA555/NE555/SA555 |
| Supply Current, Output Low at VCC=15 V | 10 mA typ, 15 mA max; no load, NA555/NE555/SA555 |
| Supply Current, Output Low at VCC=5 V | 3 mA typ, 6 mA max; no load, NA555/NE555/SA555 |
| Supply Current, Output High at VCC=15 V | 9 mA typ, 13 mA max; no load, NA555/NE555/SA555 |
| Supply Current, Output High at VCC=5 V | 2 mA typ, 5 mA max; no load, NA555/NE555/SA555 |
| Temperature Coefficient of Timing Interval, Monostable | 50 ppm/°C typ; each timer, TA=min to max, NA555/NE555/SA555 |
| Temperature Coefficient of Timing Interval, Astable | 150 ppm/°C typ; each timer, TA=min to max, NA555/NE555/SA555 |
| Supply-Voltage Sensitivity of Timing Interval, Monostable | 0.1 %/V typ, 0.5 %/V max; each timer, NA555/NE555/SA555 |
| Supply-Voltage Sensitivity of Timing Interval, Astable | 0.3 %/V typ; each timer, NA555/NE555/SA555 |
| Output-Pulse Rise Time | 100 ns typ, 300 ns max; CL=15 pF, TA=25°C, 20% to 80%, NA555/NE555/SA555 |
| Output-Pulse Fall Time | 100 ns typ, 300 ns max; CL=15 pF, TA=25°C, 80% to 20%, NA555/NE555/SA555 |
| Pin 1 Function | GND; D, P, PS, PW, JG 8-pin packages |
| Pin 2 Function | TRIG, start of timing input; TRIG < 1/2 CONT sets output high and discharge open |
| Pin 3 Function | OUT, high current timer output signal; D, P, PS, PW, JG 8-pin packages |
| Pin 4 Function | RESET, active-low reset input; forces output and discharge low |
| Pin 5 Function | CONT, comparator threshold control; outputs 2/3 × VCC and allows bypass capacitor connection |
| Pin 6 Function | THRES, end of timing input; THRES > CONT sets output low and discharge low |
| Pin 7 Function | DISCH, open-collector discharge output; discharges timing capacitor |
| Pin 8 Function | VCC input supply voltage; 4.5 V to 16 V; SE555 maximum is 18 V |
| Datasheet Status | request_only |
Product Overview
The NE555P is a Texas Instruments precision timer IC in the Signal_Chain category. It is specified for astable or monostable operation, enabling timing intervals from microseconds to hours. The P package is an 8-pin PDIP package with a documented junction-to-ambient thermal resistance of 98.5°C/W and related package thermal parameters for board and case evaluation.
For NE555 operation, the recommended supply range is 4.5 V to 16 V, with an operating free-air temperature range of 0°C to 70°C. The output is TTL-compatible and can sink or source up to 200 mA, with absolute maximum output current of ±225 mA. Absolute maximum supply voltage is 18 V with respect to GND.
Functional pins include TRIG for timing start, THRES for timing end, RESET as an active-low reset input, CONT for comparator threshold control, DISCH as an open-collector discharge output, OUT as the timer output, GND, and VCC. These functions support monostable delay timing, astable timing, pulse generation, and timing-capacitor discharge circuits.
Key Features
- Astable or monostable timer operation
- Timing intervals from microseconds to hours
- Recommended 4.5-16 V supply range
- NE555 free-air operation from 0-70°C
- Up to 200 mA sink or source output
- ±200 mA recommended output current
- 8-pin PDIP P package format
- TRIG and THRES inputs control timing state
- DISCH output discharges the timing capacitor
- 100 ns typical output-pulse rise and fall times
Typical Applications
- Monostable delay timing
- Astable oscillator timing
- Pulse generation circuits
- Timing capacitor discharge circuits
- Threshold-controlled timing functions
- Reset-controlled timing outputs
- Microseconds-to-hours timing intervals
Procurement Notes
When requesting a quote for NE555P, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For analog and signal-chain sourcing, supply voltage, bandwidth, accuracy, noise level, package, temperature grade, input/output configuration and qualification requirements should be verified before approval.
FAQ
What operating modes does the NE555P support?
The NE555P supports astable or monostable operation. Its timing range extends from microseconds to hours, allowing it to be used for oscillator-style timing or one-shot timing functions based on the specified timer configuration.
What supply voltage is recommended for NE555P operation?
For NA555, NE555, and SA555 devices, the recommended supply voltage range is 4.5 V to 16 V. The absolute maximum supply voltage is 18 V with respect to GND.
What output current can the NE555P handle?
The TTL-compatible output can sink or source up to 200 mA, and the recommended output current is ±200 mA. The absolute maximum output current rating is ±225 mA.
What package is used for this NE555P listing?
This NE555P listing uses the Texas Instruments P package, described as a PDIP package with 8 pins. The package thermal data includes 98.5°C/W junction-to-ambient thermal resistance.
What are the primary NE555P timing control pins?
TRIG starts timing, THRES ends timing, RESET is an active-low reset input, CONT controls comparator threshold, and DISCH is an open-collector discharge output used to discharge the timing capacitor.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 30, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.