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The TC74LCX245FK(EL,K) is a low-voltage CMOS octal bus transceiver manufactured by Toshiba. Below are its key specifications, descriptions, and features:

Specifications:

• Logic Family: LCX (Low-Voltage CMOS)
• Number of Bits: 8 (Octal)
• Supply Voltage Range: 2.0V to 3.6V
• High-Speed Operation: tpd = 4.5ns (max) at 3.3V
• Low Power Consumption: ICC = 10μA (max) at Ta = 25°C
• Input/Output Tolerance: 5V-tolerant inputs and outputs
• Output Drive Capability: ±24mA at 3.0V
• Direction Control: DIR pin for bidirectional data flow
• Output Enable: OE (active low) for tri-state outputs
• Package Type: SSOP20 (20-pin Shrink Small Outline Package)
• Operating Temperature Range: -40°C to +85°C

Descriptions:

The TC74LCX245FK(EL,K) is a bidirectional octal bus transceiver designed for low-voltage (2.0V–3.6V) applications. It features non-inverting data paths and is controlled by a Direction (DIR) pin and an Output Enable (OE) pin. When OE is low, the device allows data transmission based on the DIR pin (high for A→B, low for B→A). When OE is high, the outputs are in a high-impedance state.

Features:

• 5V-tolerant inputs and outputs for mixed-voltage applications
• Low-voltage operation (2.0V–3.6V)
• High-speed performance (4.5ns max propagation delay)
• Bidirectional data flow with direction control
• Tri-state outputs for bus isolation
• Low power consumption (ideal for battery-operated devices)
• ESD protection (Human Body Model ≥ 2000V)

This device is commonly used in data communication systems, networking equipment, and portable electronics where low-voltage, high-speed bidirectional data transfer is required.