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The SN74LS125AN is a quad bus buffer gate with 3-state outputs manufactured by Texas Instruments (TI) and Motorola (MOT).

Specifications:

• Logic Family: LS (Low-Power Schottky)
• Number of Channels: 4 (Quad)
• Output Type: 3-State
• Supply Voltage (VCC): 4.75V to 5.25V
• High-Level Output Current (IOH): -2.6 mA
• Low-Level Output Current (IOL): 24 mA
• Propagation Delay (tpd): 15 ns (typical)
• Operating Temperature Range: 0°C to 70°C
• Package Type: PDIP-14 (Plastic Dual In-Line Package)

Descriptions:

The SN74LS125AN is a quad bus buffer designed to provide high-speed, low-power operation with 3-state outputs. It is commonly used in bus-oriented applications where multiple devices share a common bus. Each of the four buffers has an independent output enable (OE) input, allowing individual control of the output state.

Features:

• 3-State Outputs: Allows connection to a bus system without loading.
• Independent Output Enable Controls: Each buffer can be enabled/disabled separately.
• High-Speed Operation: Typical propagation delay of 15 ns.
• Low Power Consumption: LS technology ensures efficient power usage.
• Wide Operating Voltage Range: Supports standard TTL levels.
• Standard Pinout: Compatible with industry-standard 14-pin DIP packages.

This device is widely used in digital systems for signal buffering, bus driving, and interfacing applications.