74ABT126CSC

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The 74ABT126CSC is a quad-channel, low-voltage buffer input/output, high-speed 3-state transceiver. It is a member of the 74ABT family, which are characterized by improved electrical performance over conventional transistor-transistor logic products. The buffer-input/output features of the 74ABT126CSC enables a wider bus width range and/or configuration flexibility for open-collector and 3-state bus access. This device is intended for use as a level translator, logic buffer, and interface between differing logics.

The 74ABT126CSC is designed for speed and low-power operation in various applications, such as high-speed systems, low-voltage digital switching and local interconnect. It offers high-speed switching at low-voltage levels, with a tight logic control that allows the output shift characteristics to be minimized. The device features low standby power, low input current, high noise and EMI immunity, and a high output current that provides increased system, cable, and user interface reliability. Additionally, the device has a built-in Schmitt trigger-activated input buffer that allows high speed input switching with very low static power.

The 74ABT126CSC has an input voltage range of 2.5V to 6.0V and an output voltage range of 2.2V to 5.3V. The device is designed with a minimum output current sink of 5mA, and a maximum output current source of 100mA. The device also has a minimum input capacitance of 5pF and a maximum input capacitance of 25pF. The device has a maximum propagation delay of 3ns, and a maximum output enable time of 1ns.

The 74ABT126CSC has an open-collector power-on-reset circuit with an active-low reset output. This active-low reset output is used to reset all outputs to the high-impedance state when the device is powered on. The reset output is activated low during power-on, and is kept in a low state until the enable input (EN) is activated high. The reset output can be re-activated low by applying a low-level signal to the reset input (RST).

The 74ABT126CSC is also equipped with an input enable circuit that is used to control the logic states of the inputs. When the enable input (EN) is active low, the input logic state is disabled and the device is in the backward compatible 3-state mode. When the enable input (EN) is active high, the input logic state is enabled and the device is in the normal enabled mode. The active low enable input (EN) is connected to the 74ABT126CSC\'s output enable pin to simplify connection wiring.

The 74ABT126CSC is suitable for various applications, such as: high-speed memory buses, I/O ports, serial and parallel data transmission, mid-speed local interconnects, multiple system data transfer and interface controls. The device is also suitable for field programmable gate array (FPGA) interfacing, and is used in frequently accessed memory and I/O ports, in Super I/O controllers, in performance critical system buses, and in digital home networking.

The 74ABT126CSC is an ideal choice for logic and bus buffering, as it features low power consumption, fast switching, high speed, and high noise immunity. Additionally, the device\'s high output current capability provides increased system, cable, and user interface reliability, while its tight logic control allows the output shift characteristic to be minimized. The device is also designed to be used as a level translator, logic buffer, and interface between differing logics, and is capable of handling high-speed data transmission.

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