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TLC556MD
+BOMIC OSC TIMER DUAL 2.1MHZ 14-SOIC
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ManufacturerTexas Instruments
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Mfr. Part #TLC556MD
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Datasheet TLC556MD DataSheet
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Package 14-SOIC (0.154, 3.90mm Width)
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In Stock5941
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Specifications
| Attribute | Value |
| Supplier | Texas Instruments |
| Package | Tube |
| Series | LinCMOS™ |
| ProductStatus | Active |
| Type | 555 Type, Timer/Oscillator (Dual) |
| Frequency | 2.1MHz |
| Voltage-Supply | 5V ~ 18V |
| Current-Supply | 720 µA |
| OperatingTemperature | -55°C ~ 125°C |
| Package/Case | 14-SOIC (0.154, 3.90mm Width) |
| SupplierDevicePackage | 14-SOIC |
Overview
Description
The timers in the TLC556MD can function in monostable (one-shot) or astable (oscillator) modes. In monostable mode, the timer generates a single pulse of a specified duration, while in astable mode, it produces a continuous square wave. This versatility makes it useful in generating precise time delays, oscillations, and pulse-width modulation.
The device is known for its high accuracy, stability, and minimal external components requirement, which simplifies circuit design. It is commonly used in applications such as LED flashers, pulse generators, and frequency dividers. Moreover, the TLC556MD's robust operating temperature range makes it suitable for various environmental conditions.
Equivalent
Features
1. Dual Timer: Contains two precision timing circuits.
2. Operating Voltage: Ranges from 2 V to 15 V.
3. Output Compatibility: Capable of driving TTL loads.
4. Low Power Consumption: Consumes significantly less power than the NE555.
5. Astable and Monostable Operation: Can function in both modes, enabling a wide range of applications.
6. Timing from Microseconds to Hours: Versatile timing capabilities for different applications.
7. Temperature Stability: Features improved temperature stability.
8. CMOS Technology: Built using CMOS technology for enhanced performance.
9. Package Options: Available in various packages, including SOIC.
10. Wide Temperature Range: Operates effectively over a wide temperature range, suitable for diverse environments.
The TLC556MD is ideal for applications requiring precise timing and low power consumption, such as in pulse generation, timers, and oscillators.
Pinout
1. GND (Pin 7) - Ground reference voltage.
2. VCC (Pin 14) - Supply voltage.
3. Trigger A (Pin 6) - Trigger input for timer A; a falling edge triggers the timer.
4. Threshold A (Pin 8) - Threshold input for timer A; used to control timing interval.
5. Control Voltage A (Pin 9) - Allows adjustment of threshold voltage for timer A.
6. Reset A (Pin 10) - Resets the timer A when driven low.
7. Output A (Pin 11) - Output for timer A; goes high during the timing interval.
8. Discharge A (Pin 12) - Discharge pin for timer A; used with an external capacitor for timing interval.
9. Trigger B (Pin 2) - Trigger input for timer B; similar function as Trigger A.
10. Threshold B (Pin 1) - Threshold input for timer B.
11. Control Voltage B (Pin 5) - Control input for timer B.
12. Reset B (Pin 4) - Resets the timer B.
13. Output B (Pin 3) - Output for timer B.
14. Discharge B (Pin 13) - Discharge pin for timer B.
The TLC556MD can be used for various timing applications, including oscillators and pulse generation.
Manufacturer
Application
1. Monostable Operation: Used for pulse generation, such as creating time delays or interval timers.
2. Astable Operation: Suitable for generating continuous waveforms, such as clock pulses or oscillators.
3. Pulse Width Modulation: Useful in controlling the width of output pulses for applications like motor speed control.
4. LED and Light Control: Used in dimming and flashing light circuits.
5. Pulse Position Modulation: Applicable in signal processing and communication circuits.
6. Frequency Divider: Used to divide frequency in digital circuits.
These functions make it versatile for use in consumer electronics, automotive, and industrial applications.