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SN74ACT1071

SN74ACT1071 Series

10-Bit Bus Termination Networks With Bus Hold Function

Manufacturer: Texas Instruments

Catalog

10-Bit Bus Termination Networks With Bus Hold Function

Key Features

Designed to Ensure Defined Voltage Levels on Floating Bus Lines in CMOS SystemsReduces Undershoot and Overshoot Caused By Line ReflectionsRepetitive Peak Forward Current . . . IFRM= 100 mAInputs Are TTL-Voltage CompatibleLow Power Consumption (Like CMOS)ESD Protection Exceeds 2000 V Per MIL-STD-883C, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0)Center-Pin VCCand GND Configuration Minimizes High-Speed Switching NoiseDesigned to Ensure Defined Voltage Levels on Floating Bus Lines in CMOS SystemsReduces Undershoot and Overshoot Caused By Line ReflectionsRepetitive Peak Forward Current . . . IFRM= 100 mAInputs Are TTL-Voltage CompatibleLow Power Consumption (Like CMOS)ESD Protection Exceeds 2000 V Per MIL-STD-883C, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0)Center-Pin VCCand GND Configuration Minimizes High-Speed Switching Noise

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 SN74ACT1071 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. The SN74ACT1071 is characterized for operation from -40°C to 85°C. 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 SN74ACT1071 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. The SN74ACT1071 is characterized for operation from -40°C to 85°C.