74LS124 Dual Voltage Controlled Oscillator IC – Datasheet

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74LS124 is a part of the 74XXYY low schkotty IC series. The 74LS32 IC has a wide range of working voltage, a wide range of working conditions, and directly interfaces with CMOS, NMOS, and TTL. The output of the IC always comes in TTL which makes it easy to work with other TTL devices and microcontrollers. The IC 74LS32 is smaller in size and it has a much faster speed which makes it reliable in every kind of device.

74ls124 ic

What is a Voltage Controlled Oscillator?

A Voltage controlled oscillator is a type of oscillator where the frequency of the output oscillations can be varied by varying the amplitude of an input voltage signal. The oscillation frequency varies from few hertz to hundreds of GHz. Voltage controlled oscillators are commonly used in frequency (FM), pulse (PM) modulators, and phase locked loops (PLL).

74LS124 Key Features & Specifications

  • Technology Family: LS
  • VCC (Min): 4.75V
  • VCC (Max): 5.25
  • Bits (#): 2
  • Operating Voltage (Nom): 5V
  • Frequency at normal voltage (Max): 35MHz
  • Propagation delay (Max): 20ns
  • IOL (Max): 24mA
  • IOH (Max):-1.2mA
  • Rating: Catalog
  • Available in 14-pin PDIP, GDIP, PDSO packages

74LS124 Pinout

Pin No.Pin NameDescription
12FCFrequency Counter pin 2
21FCFrequency Counter pin 1
31RNGRange Input Pin 1
41CX1Pin to connect Cext capacitance
51CX2Pin to connect Cext capacitance
61EN’Active low Enable Pin
71YOutput pin Y1
8OSC GNDOscillator Ground Pin
9GNDGround
102YOutput Pin Y2
112EN’Active Low Enable Pin 2
122CX2Pin to connect Cext capacitance
132CX1Pin to connect Cext capacitance
142RNGRange Input Pin 2
15OSC VccOscillator Supply voltage pin
16VccChip Supply Voltage
74ls124 pinout

Applications

The 74LS124 IC has a number of uses, some of them are listed as below:

  • It is used in function generators & phase-locked loops including frequency synthesizers used in communication equipment
  • It is also used in the production of electronic music, to generate variable tones in synthesizers.

74LS124 Datasheet

You can download the 74LS124 Dual Voltage Controlled Oscillator IC Datasheet from the link given below:

See Also: 74LS109 Dual JK Positive Edge-Triggered Flip-Flop | 74LS92 4-Bit Divide By Twelve Binary Counter | 74LS73 Dual JK Negative Edge Triggered Flip-Flop

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