SN54LS123J

Description

The Texas Instruments SN54LS123J is a dual retriggerable monostable multivibrator, designed for various timing applications. It's a monolithic complementary silicon (MOS) device that offers precise timing control in electronic devices. The IC features two independent monostable circuits with D-C triggered inputs and overriding clear terminals. Each circuit can be triggered from active-high or active-low logic levels. The SN54LS123J is commonly used in pulse-width modulation, delay circuits, and frequency division applications. Its retriggerable feature allows for very long output pulses up to 100% duty cycle. The IC's internal timing resistors simplify circuit design and reduce component count. It finds applications in communication systems, instrumentation, and industrial automation devices that require precise timing control.

Features

The SN54LS123J features:

• D-C triggered from active-high or active-low gated logic inputs
• Retriggerable for very long output pulses, up to 100% duty cycle
• Overriding clear terminates output pulse
• Internal timing resistors (in '122 and LS122)

It's a dual retriggerable monostable multivibrator commonly used in various timing applications such as pulse-width modulation, delay circuits, and frequency division.

Package

The package type of SN54LS123J is CDIP16.

Pinout

The SN54LS123J is a dual retriggerable monostable multivibrator with a CDIP16 package, having 16 pins.

Here's a concise breakdown of the pin functions:

• Pins 1-4: Gated Logic Inputs (A and B)
• Pin 5: Clear Input
• Pin 6: Trigger Input
• Pin 7: Output (Q)
• Pins 8-15: Unused
• Pin 16: VCC (Power Supply)

This device is commonly used in various timing applications, such as pulse-width modulation, delay circuits, and frequency division.

Manufacturer

The manufacturer of the SN54LS123J is Texas Instruments (TI). Texas Instruments is an American technology company that designs, manufactures, tests, and sells semiconductors and other electronic components. The company was founded in 1930 and is headquartered in Dallas, Texas. TI is a leading global provider of analog and embedded processing semiconductor products, with a wide range of products used in various industries such as automotive, industrial, medical, and consumer electronics.

Applications

The SN54LS123J is commonly used in various timing applications such as pulse-width modulation, delay circuits, and frequency division. It finds applications in electronic devices requiring precise timing control, including communication systems, instrumentation, and industrial automation.

Equivalent

The equivalent products of SN54LS123J include:

• SN74LS123 (from Texas Instruments): A similar dual retriggerable monostable multivibrator with a comparable feature set.
• CD40123, CD40223 (from Fairchild Semiconductor): Similar parts with parallel inputs and a wider power supply range.
• NE4562A (from National Semiconductor): A retriggerable monostable multivibrator with some similarities to SN54LS123J.

Please note that the exact replacements may vary depending on specific requirements and application needs.