Toshiba 8-Bit D-Type Flip Flop IC, 74VHC Logic Family, 3 State Output, 20-Pin TSSOP, 2-5.5V Supply, 135MHz Clock 74VHC374FT

Toshiba 74VHC374FT is a high-performance 8-bit D-type Flip Flop IC from the 74VHC logic family featuring a 3-state output and housed in a compact 20-pin TSSOP surface mount package. This device operates with a wide supply voltage range of 2 V to 5.5 V and supports clock frequencies up to 135 MHz, making it suitable for fast digital switching applications in industrial, automotive, and embedded systems.

Employing silicon gate C2MOS technology, the 74VHC374FT combines high-speed bipolar TTL level compatibility with low CMOS power consumption and noise immunity. The IC includes eight flip-flop elements, each controlled by a non-inverting positive-edge clock and an output enable input that places the outputs in a high impedance state for bus compatibility.

The device offers robust input protection, allowing input voltages from 0 to 5.5 V irrespective of supply voltage, enabling interfacing between 3 V and 5 V logic systems including two-supply systems like battery backup. Its wide temperature range (-40°C to 125°C) and automotive standard AEC-Q100 qualification make it a reliable component in harsh environments.

Key electrical characteristics include a maximum propagation delay of 8 ns at CL and maximum operating frequency typical at 165 MHz at 5 V supply, with low maximum ICC current of 4 µA at 25°C. The balanced propagation delays (tPLH ≈ tPHL) and low noise level (VOLP maximal 0.8 V) add to its precision and performance.

High speed clocking capability with 135 MHz frequency. Operating voltage range supports multi-voltage systems (2.0 V to 5.5 V). 3-state output enables easy bus line connection and isolation. Compact 20-pin TSSOP surface mount package for space saving designs.

Wide temperature range and automotive grade reliability (AEC-Q100). Compatible with TTL and CMOS input logic levels. Power-down protection on all inputs enhances system robustness. Input protection circuitry prevents device damage from voltage mismatch.

Balanced propagation delays ensure data integrity across outputs.

Applications for the Toshiba 74VHC374FT include industrial automation, high-speed digital electronics, embedded control systems, automotive electronics, and general-purpose logic circuits requiring 8-bit data storage and bus-oriented output control.

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