Specifications
| Type | Description |
|---|---|
| Part Number | NE555DR |
| Manufacturer | Texas Instruments |
| Product Type | Operational Amplifier |
| Category | Signal Chain |
| Package Case | D (SOIC, 8) |
| Operating mode | Astable or monostable operation; condition: Device feature; source page: 1 |
| Timing range | Microseconds to hours; condition: Device feature; source page: 1 |
| Duty cycle | Adjustable; condition: Device feature; source page: 1 |
| Output drive capability | Sink or source up to 200 mA; condition: Device feature; source page: 1 |
| Supply voltage | 5 V to 15 V; condition: Specified operation range in description; source page: 1 |
| TTL compatibility | Output levels compatible with TTL inputs; condition: VCC = 5 V; source page: 1 |
| Operating free-air temperature | 0°C to 70°C; condition: NE555 device family; source page: 1 |
| Package options | D (SOIC, 8), P (PDIP, 8), PS (SO, 8), PW (TSSOP, 8); condition: NE555 device family; source page: 1 |
| VCC pin | Pin 8; condition: D/P/PS/PW/JG 8-pin packages; source page: 3 |
| GND pin | Pin 1; condition: D/P/PS/PW/JG 8-pin packages; source page: 3 |
| TRIG pin | Pin 2; condition: D/P/PS/PW/JG 8-pin packages; source page: 3 |
| OUT pin | Pin 3; condition: D/P/PS/PW/JG 8-pin packages; source page: 3 |
| RESET pin | Pin 4; condition: D/P/PS/PW/JG 8-pin packages; source page: 3 |
| CONT pin | Pin 5; condition: D/P/PS/PW/JG 8-pin packages; source page: 3 |
| THRES pin | Pin 6; condition: D/P/PS/PW/JG 8-pin packages; source page: 3 |
| DISCH pin | Pin 7; condition: D/P/PS/PW/JG 8-pin packages; source page: 3 |
| Input supply voltage pin range | 4.5 V to 16 V; condition: VCC pin description, non-SE555 devices; source page: 3 |
| Absolute maximum supply voltage | 18 V max; condition: Over operating free-air temperature range; source page: 4 |
| Absolute maximum input voltage | VCC max; condition: CONT, RESET, THRES, TRIG inputs; source page: 4 |
| Absolute maximum output current | ±225 mA; condition: Absolute Maximum Ratings; source page: 4 |
| Operating virtual junction temperature | 150°C max; condition: Absolute Maximum Ratings; source page: 4 |
| Storage temperature | -65°C to 150°C; condition: Absolute Maximum Ratings; source page: 4 |
| HBM ESD rating | ±500 V; condition: ANSI/ESDA/JEDEC JS-001; source page: 4 |
| CDM ESD rating | ±1500 V; condition: ANSI/ESDA/JEDEC JS-002; source page: 4 |
| Recommended supply voltage | 4.5 V to 16 V; condition: NA555, NE555, SA555; source page: 4 |
| Recommended output current | ±200 mA; condition: Recommended Operating Conditions; source page: 4 |
| Recommended operating free-air temperature | 0°C to 70°C; condition: NE555; source page: 4 |
| Junction-to-ambient thermal resistance | 125.4°C/W; condition: D SOIC 8-pin package; source page: 5 |
| Junction-to-case top thermal resistance | 64.9°C/W; condition: D SOIC 8-pin package; source page: 5 |
| Junction-to-board thermal resistance | 73.2°C/W; condition: D SOIC 8-pin package; source page: 5 |
| THRES voltage level | 8.8 V min, 10 V typ, 11.2 V max; condition: VCC = 15 V; NA555, NE555, SA555; TA = 25°C; source page: 5 |
| THRES voltage level | 2.4 V min, 3.3 V typ, 4.2 V max; condition: VCC = 5 V; NA555, NE555, SA555; TA = 25°C; source page: 5 |
| THRES current | 30 nA typ, 250 nA max; condition: VCC = 5 V to 15 V; TA = 25°C; source page: 5 |
| TRIG voltage level | 4.5 V min, 5 V typ, 5.6 V max; condition: VCC = 15 V; NA555, NE555, SA555; TA = 25°C; source page: 5 |
| TRIG voltage level | 1.1 V min, 1.67 V typ, 2.2 V max; condition: VCC = 5 V; NA555, NE555, SA555; TA = 25°C; source page: 5 |
| TRIG current | 0.5 µA typ, 2 µA max; condition: TRIG at 0 V; NA555, NE555, SA555; TA = 25°C; source page: 5 |
| RESET voltage level | 0.3 V min, 0.7 V typ, 1 V max; condition: VCC = 5 V to 15 V; TA = 25°C; source page: 5 |
| RESET current | 0.1 mA typ, 0.4 mA max; condition: RESET at VCC; TA = 25°C; source page: 5 |
| RESET current | -0.4 mA typ, -1.5 mA max; condition: RESET at 0 V; NA555, NE555, SA555; TA = 25°C; source page: 5 |
| DISCH switch off-state current | 20 nA typ, 100 nA max; condition: VCC = 5 V to 15 V; TA = 25°C; source page: 5 |
| DISCH switch on-state voltage | 0.15 V typ, 0.4 V max; condition: VCC = 5 V, IO = 8 mA; NA555, NE555, SA555; TA = 25°C; source page: 5 |
| CONT voltage open circuit | 9 V min, 10 V typ, 11 V max; condition: VCC = 15 V; NA555, NE555, SA555; TA = 25°C; source page: 6 |
| CONT voltage open circuit | 2.6 V min, 3.3 V typ, 4 V max; condition: VCC = 5 V; NA555, NE555, SA555; TA = 25°C; source page: 6 |
| Low-level output voltage | 0.1 V typ, 0.25 V max; condition: VCC = 15 V, IOL = 10 mA; NA555, NE555, SA555; TA = 25°C; source page: 6 |
| Low-level output voltage | 0.4 V typ, 0.75 V max; condition: VCC = 15 V, IOL = 50 mA; NA555, NE555, SA555; TA = 25°C; source page: 6 |
| Low-level output voltage | 2 V typ, 2.5 V max; condition: VCC = 15 V, IOL = 100 mA; NA555, NE555, SA555; TA = 25°C; source page: 6 |
| Low-level output voltage | 2.5 V max; condition: VCC = 15 V, IOL = 200 mA; TA = 25°C; source page: 6 |
| Low-level output voltage | 0.1 V typ, 0.35 V max; condition: VCC = 5 V, IOL = 5 mA; NA555, NE555, SA555; TA = 25°C; source page: 6 |
| Low-level output voltage | 0.15 V typ, 0.4 V max; condition: VCC = 5 V, IOL = 8 mA; NA555, NE555, SA555; TA = 25°C; source page: 6 |
| High-level output voltage | 12.75 V min, 13.3 V typ; condition: VCC = 15 V, IOH = -100 mA; NA555, NE555, SA555; TA = 25°C; source page: 6 |
| High-level output voltage | 12.5 V min; condition: VCC = 15 V, IOH = -200 mA; TA = 25°C; source page: 6 |
| High-level output voltage | 2.75 V min, 3.3 V typ; condition: VCC = 5 V, IOH = -100 mA; NA555, NE555, SA555; TA = 25°C; source page: 6 |
| Supply current | 10 mA typ, 15 mA max; condition: Output low, no load, VCC = 15 V; NA555, NE555, SA555; TA = 25°C; source page: 6 |
| Supply current | 3 mA typ, 6 mA max; condition: Output low, no load, VCC = 5 V; NA555, NE555, SA555; TA = 25°C; source page: 6 |
| Supply current | 9 mA typ, 13 mA max; condition: Output high, no load, VCC = 15 V; NA555, NE555, SA555; TA = 25°C; source page: 6 |
| Supply current | 2 mA typ, 5 mA max; condition: Output high, no load, VCC = 5 V; NA555, NE555, SA555; TA = 25°C; source page: 6 |
| Temperature coefficient of timing interval | 50 ppm/°C typ; condition: Each timer, monostable, TA = MIN to MAX; NA555, NE555, SA555; source page: 7 |
| Temperature coefficient of timing interval | 150 ppm/°C typ; condition: Each timer, astable, TA = MIN to MAX; NA555, NE555, SA555; source page: 7 |
| Supply-voltage sensitivity of timing interval | 0.1%/V typ, 0.5%/V max; condition: Each timer, monostable; NA555, NE555, SA555; source page: 7 |
| Supply-voltage sensitivity of timing interval | 0.3%/V typ; condition: Each timer, astable; NA555, NE555, SA555; source page: 7 |
| Output-pulse rise time | 100 ns typ, 300 ns max; condition: CL = 15 pF, TA = 25°C, 20% to 80%; NA555, NE555, SA555; source page: 7 |
| Output-pulse fall time | 100 ns typ, 300 ns max; condition: CL = 15 pF, TA = 25°C, 80% to 20%; NA555, NE555, SA555; source page: 7 |
| Datasheet Status | request_only |
Product Overview
NE555DR is a Texas Instruments precision timer IC in the Signal_Chain category. The device supports astable or monostable operation, adjustable duty cycle, and timing ranges from microseconds to hours, making it suitable for pulse, delay, oscillator, and interval timing functions derived from those operating modes.
For the D (SOIC, 8) package, the pinout assigns GND to pin 1, TRIG to pin 2, OUT to pin 3, RESET to pin 4, CONT to pin 5, THRES to pin 6, DISCH to pin 7, and VCC to pin 8. The non-SE555 VCC pin description specifies a 4.5 V to 16 V input supply range, while the datasheet description lists 5 V to 15 V operation.
Key electrical limits include 18 V absolute maximum supply voltage, input voltage up to VCC on CONT, RESET, THRES, and TRIG, and ±225 mA absolute maximum output current. Recommended operation supports ±200 mA output current and 0°C to 70°C free-air temperature for NE555 devices.
Key Features
- Astable or monostable timer operation
- Timing range from microseconds to hours
- Adjustable duty cycle for timing waveforms
- Output can sink or source up to 200 mA
- Recommended 4.5 V to 16 V supply range
- TTL-compatible output levels at VCC = 5 V
- NE555 free-air operation from 0°C to 70°C
- D package thermal resistance 125.4°C/W junction-to-ambient
- Output rise and fall times of 100 ns typ
Typical Applications
- Astable timing circuits
- Monostable pulse generation
- Adjustable duty-cycle timing
- TTL-compatible output drive
- Microsecond-to-hour interval timing
- Reset-controlled timer functions
- Discharge-switch timing networks
Procurement Notes
When requesting a quote for NE555DR, 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 NE555DR support?
The NE555DR supports astable or monostable operation. The extracted datasheet facts also specify adjustable duty cycle and a timing range from microseconds to hours, allowing oscillator-style and single-pulse timing functions.
What supply range is recommended for NE555DR operation?
For NA555, NE555, and SA555 devices, the recommended supply voltage is 4.5 V to 16 V. The datasheet description also states a 5 V to 15 V specified operation range, with TTL-compatible output levels at VCC = 5 V.
What package and pinout does NE555DR use?
NE555DR uses the D (SOIC, 8) package. In the 8-pin package pinout, GND is pin 1, TRIG pin 2, OUT pin 3, RESET pin 4, CONT pin 5, THRES pin 6, DISCH pin 7, and VCC pin 8.
How much output current can the NE555DR drive?
The device feature list states the output can sink or source up to 200 mA. Recommended operating conditions specify ±200 mA output current, while the absolute maximum output current rating is ±225 mA.
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.