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TLC556IDR
+Lista de MateriaisIC OSC TIMER DUAL 2.1MHZ 14SOIC
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FabricanteTexas Instruments
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Peça do Fabricante #TLC556IDR
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Ficha Técnica TLC556IDR DataSheet
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Especificações
| Atributo | Valor |
| Supplier | Texas Instruments |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | LinCMOS™ |
| ProductStatus | Active |
| Type | 555 Type, Timer/Oscillator (Dual) |
| Frequency | 2.1MHz |
| Voltage-Supply | 3V ~ 18V |
| Current-Supply | 720 µA |
| OperatingTemperature | -40°C ~ 85°C |
| Package/Case | 14-SOIC (0.154, 3.90mm Width) |
| SupplierDevicePackage | 14-SOIC |
Visão Geral
Description
Equivalent
Features
This dual timer boasts timing intervals from microseconds to hours, supporting both monostable and astable modes. It is pin-compatible with the NE556 but provides improved performance, such as reduced power dissipation and increased frequency stability. The device is packed in an 8-pin SOIC form factor, facilitating easy integration into circuit designs. The TLC556IDR is suitable for applications like pulse generation, LED flashers, and precision timing circuits. Its CMOS technology ensures better noise immunity and less susceptibility to false triggering compared to bipolar alternatives.
Pinout
1. Pin 1 (GND): Ground reference for both timers.
2. Pin 2 (TRIG_A): Trigger input for Timer A; a falling edge triggers the timer.
3. Pin 3 (OUT_A): Output for Timer A; can drive loads or interface with other circuits.
4. Pin 4 (RESET_A): Reset input for Timer A; active low to reset the timer.
5. Pin 5 (CTRL_A): Control voltage for Timer A; allows adjustment of the threshold voltage.
6. Pin 6 (THRES_B): Threshold input for Timer B; involved in timing interval control.
7. Pin 7 (DISCH_B): Discharge pin for Timer B; connected to the timing capacitor.
8. Pin 8 (VCC): Positive supply voltage for the IC.
This dual timer is popular in applications requiring precise timing intervals, pulse generation, and sequential timing operations.
Manufacturer
Application
1. Monostable Operation: Used for generating precise time delays or pulse widths.
2. Astable Operation: Functions as an oscillator for creating clock pulses or square waves.
3. Pulse Width Modulation (PWM): Ideal for controlling LED brightness or motor speed.
4. Frequency Dividers and Counters: Employed in digital circuits for frequency division.
5. Signal Conditioning: Used in waveform generation and shaping.
6. Switch Debouncing: Stabilizes mechanical switch signals in digital circuits.
Its low power consumption and high frequency stability make it suitable for battery-powered and portable devices.