74ACT1073 Series
16-Bit Bus Termination Networks With Bus Hold Function
Manufacturer: Texas Instruments
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Key Features
• Designed to Ensure Defined Voltage Levels on Floating Bus Lines in CMOS Systems4.5-V to 5.5-V VCCOperationInputs Accept Voltages to 5.5 VReduces Undershoot and Overshoot Caused By Line ReflectionsRepetitive Peak Forward Current ...IFRM= 100 mAInputs Are TTL-Voltage CompatibleLow Power Consumption (Like CMOS)Center-Pin VCCand GND Configuration Minimizes High-Speed Switching NoiseESD Protection Exceeds JESD 222000-V Human-Body Model (A114-A)200-V Machine Model (A115-A)Designed to Ensure Defined Voltage Levels on Floating Bus Lines in CMOS Systems4.5-V to 5.5-V VCCOperationInputs Accept Voltages to 5.5 VReduces Undershoot and Overshoot Caused By Line ReflectionsRepetitive Peak Forward Current ...IFRM= 100 mAInputs Are TTL-Voltage CompatibleLow Power Consumption (Like CMOS)Center-Pin VCCand GND Configuration Minimizes High-Speed Switching NoiseESD Protection Exceeds JESD 222000-V Human-Body Model (A114-A)200-V Machine Model (A115-A)
Description
AI
This device is designed to terminate bus lines in CMOS systems. The integrated low-impedance diodes clamp the voltage of undershoots and overshoots caused by line reflections and ensure signal integrity. The device also contains a bus-hold function that consists of a CMOS-buffer stage with a high-resistance feedback path between its output and its input. The SN74ACT1073 prevents bus lines from floating without using pullup or pulldown resistors.
The high-impedance inputs of these internal buffers are connected to the input terminals of the device. The feedback path on each internal buffer stage keeps a bus line tied to the bus holder at the last valid logic state generated by an active driver before the bus switches to the high-impedance state.
This device is designed to terminate bus lines in CMOS systems. The integrated low-impedance diodes clamp the voltage of undershoots and overshoots caused by line reflections and ensure signal integrity. The device also contains a bus-hold function that consists of a CMOS-buffer stage with a high-resistance feedback path between its output and its input. The SN74ACT1073 prevents bus lines from floating without using pullup or pulldown resistors.
The high-impedance inputs of these internal buffers are connected to the input terminals of the device. The feedback path on each internal buffer stage keeps a bus line tied to the bus holder at the last valid logic state generated by an active driver before the bus switches to the high-impedance state.