NE555 VS TLC555[Video] Comparison the differences between them.

The NE555 is a precision timing circuit that can produce precise time delays or oscillation. The timed interval is controlled by a single external resistor and capacitor network in the time-delay or mono-stable mode of operation. With two external resistors and a single external capacitor, the frequency and duty cycle can be regulated independently in the a-stable mode of operation. The NE555's output circuit can sink or source current up to 200 milliamps. The operation is limited to supply ranging from 5 to 15 volts. The output levels are compatible with TTL inputs when powered by a 5-V source.

The TLC555 is a monolithic timing circuit made with TI's LinCMOSTM technology. The timer operates at frequencies up to 2 MHz and is fully compatible with CMOS, TTL, and MOS circuitry. This device can handle smaller timing capacitors than the NE555 or LM555 because of its high input impedance. As a result, time delays and oscillations may be more precisely controlled. Across the whole range of power-supply voltage, power consumption is minimal. The TLC555, like the NE555, has a trigger voltage of about one-third of the supply voltage and a threshold voltage of about two-thirds of the supply voltage.

NE555 Features

• Timing From Microseconds to Hours

• Astable or Monostable Operation

• Adjustable Duty Cycle

• TTL-Compatible Output Can Sink or Source Up to 200 mA

• On Products Compliant to MIL-PRF-38535. All Parameters Are Tested Unless Otherwise Noted. On All Other Products, Production Processing Does Not Necessarily Include Testing of All Parameters.

TLC555 Features

• Very low power consumption:

     – 1-mW typical at VDD = 5 V

• Capable of operation in astable mode

• CMOS output capable of swinging rail to rail

• High output current capability

       – Sink: 100-mA typical

       – Source: 10-mA typical

• Output fully compatible with CMOS, TTL, and MOS

• Low supply current reduces spikes during output transitions

• Single-supply operation from 2 V to 15 V

• Functionally interchangeable with the NE555; has the same pinout

• ESD protection exceeds 2000 V per MIL-STD883C, method 3015.2

• Available in Q-temp automotive

       – High-reliability automotive applications

       – Configuration control and print support

       – Qualification to automotive standards

NE555 Pinout

TLC555 Pinout

NE555 Block Diagram

TLC555 Block Diagram

NE555 Schematic

TLC555 Schematic

NE5555 Absolute Maximum Rating

TLC5555 Absolute Maximum Rating

NE555 Applications

• Fingerprint Biometrics

• Iris Biometrics

• RFID Reader

TLC555 Applications

• Precision timing

• Pulse generation

• Sequential timing

• Time delay generation

• Pulse width modulation

• Pulse position modulation

• Linear ramp generator

The major differences between the NE555 and TLC555 are their operating temperatures and supply voltage. The operating temperature of NE555 and TLC555 is from - 40 C to 125 °C, while the operating temperature of TLC555 is from 0 C to 70 °C, which means TLC555 can endure the higher and lower temperature than NE555. The range of TLC555’s supply voltage is from 2 V to 15 V. The range of NE555’s supply voltage is from 4.5 V to 16 V. The NE555 works properly with the 5th pin, but the LTC555 does not. To be more specific, it only operates at extremely low frequencies. The strange thing is that there is a significant difference between the NE555 and the TLC555. When the 5th pin is used to regulate the NE555, it changes the frequency while keeping the ON state intact.

• NE555 Datasheet

• TLC555 Datasheet

NE555 Package information

TLC555 Package information