Professional IC Distribution & Technical Solutions

The TC74HC125AF(EL) is a quad bus buffer gate (3-state) manufactured by Toshiba. Below are its key specifications, descriptions, and features:

Specifications:

• Logic Family: HC (High-Speed CMOS)
• Number of Channels: 4 (Quad)
• Function: Bus Buffer (Non-Inverting)
• Output Type: 3-State
• Supply Voltage Range (VCC): 2V to 6V
• High-Level Input Voltage (VIH): 3.15V (min) @ VCC = 4.5V
• Low-Level Input Voltage (VIL): 1.35V (max) @ VCC = 4.5V
• High-Level Output Current (IOH): -5.2mA @ VCC = 4.5V
• Low-Level Output Current (IOL): 5.2mA @ VCC = 4.5V
• Propagation Delay (tpd): 13ns (max) @ VCC = 4.5V, CL = 50pF
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOP-14 (Small Outline Package)

Description:

The TC74HC125AF(EL) is a high-speed CMOS logic IC featuring four independent buffer gates with 3-state outputs. It is designed for bus-oriented applications where multiple outputs must be connected to a common bus line without interference. The 3-state control allows the outputs to be placed in a high-impedance state, effectively disconnecting them from the bus.

Features:

• High-Speed Operation: Optimized for fast signal transmission.
• Low Power Consumption: CMOS technology ensures low power dissipation.
• Wide Operating Voltage Range: Supports 2V to 6V operation.
• 3-State Outputs: Enables bus sharing without contention.
• High Noise Immunity: Robust against electrical noise.
• Pin-Compatible with 74LS125: Allows drop-in replacement in some designs.

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

*(Note: For detailed electrical characteristics and application circuits, refer to the official Toshiba datasheet.)*