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NE555PWRE4
+Lista de MateriaisIC OSC SGL TIMER 100KHZ 8TSSOP
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FabricanteTexas Instruments
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Peça do Fabricante #NE555PWRE4
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Ficha Técnica NE555PWRE4 DataSheet
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Especificações
| Atributo | Valor |
| Supplier | Texas Instruments |
| Package | Tape & Reel (TR) |
| ProductStatus | Discontinued at Digi-Key |
| Type | 555 Type, Timer/Oscillator (Single) |
| Frequency | 100kHz |
| Voltage-Supply | 4.5V ~ 16V |
| Current-Supply | 10 mA |
| OperatingTemperature | 0°C ~ 70°C |
| Package/Case | 8-TSSOP (0.173, 4.40mm Width) |
| SupplierDevicePackage | 8-TSSOP |
Visão Geral
Description
Key features of the NE555 include its ability to function in monostable, astable, and bistable modes, offering flexibility for various applications. In monostable mode, it produces a single pulse of a specific duration, while in astable mode, it generates continuous square wave signals. The bistable mode allows the NE555 to act as a flip-flop, toggling its output state when prompted.
The NE555PWRE4 is favored for its reliability, ease of use, and broad applicability in circuits requiring timing functions, pulse generation, and waveform shaping. It operates with supply voltages ranging from 4.5V to 15V and provides high output current capabilities, making it suitable for driving loads directly.
Equivalent
Features
1. Operating Voltage Range: It supports a wide voltage range from 4.5V to 16V, making it adaptable for various circuits.
2. Timing Accuracy: Offers precision timing with a typical timing error of 1% over the full temperature range, ensuring reliable performance.
3. Temperature Range: Operates efficiently in temperatures from -40°C to +85°C.
4. Output Drive Capability: Capable of sourcing or sinking up to 200mA, suitable for driving TTL loads or LEDs directly.
5. Astable and Monostable Operation: Functions as an oscillator (astable mode) or a one-shot pulse generator (monostable mode), catering to different timing needs.
6. Low Power Consumption: Designed for low power use, optimizing battery life in portable devices.
7. Package Type: Available in a TSSOP-8 package, providing a compact form factor for space-constrained applications.
These features make the NE555PWRE4 suitable for a wide range of applications, including timers, pulse generation, and LED flashers.
Pinout
1. GND (Ground): Connected to the 0V power supply.
2. Trigger: A low voltage on this pin (less than 1/3 of the supply voltage) causes the timer to start the timing interval in monostable mode.
3. Output: The output pin, which delivers the timed pulse.
4. Reset: Active low pin. It can be used to reset the timer and is often connected to the supply voltage if not used.
5. Control Voltage: Allows modification of the threshold and trigger levels. If unused, it is typically connected to a capacitor or left open.
6. Threshold: This pin ends the timing interval in monostable mode when the voltage exceeds 2/3 of the supply voltage.
7. Discharge: Connected to the timing capacitor in astable and monostable modes.
8. VCC (Power Supply): Connected to the positive supply voltage.
The NE555 is widely used for timing, pulse generation, and oscillator applications.