SN74ACT1073 - 16-Bit Bus Termination Networks With Bus Hold Function

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.

Products containing the "SN74ACT1073" keyword are: SN74ACT1073DW , SN74ACT1073DW , SN74ACT1073DWG4 , SN74ACT1073DWG4 , SN74ACT1073DWR , SN74ACT1073DWR , SN74ACT1073NS , SN74ACT1073NSR , SN74ACT1073NSR , SN74ACT1073NSRG4

• Designed to Ensure Defined Voltage Levels on Floating Bus Lines in CMOS Systems
• 4.5-V to 5.5-V V_CC Operation
• Inputs Accept Voltages to 5.5 V
• Reduces Undershoot and Overshoot Caused By Line Reflections
• Repetitive Peak Forward Current ...I_FRM = 100 mA
• Inputs Are TTL-Voltage Compatible
• Low Power Consumption (Like CMOS)
• Center-Pin V_CC and GND Configuration Minimizes High-Speed Switching Noise
• ESD Protection Exceeds JESD 22
  • 2000-V Human-Body Model (A114-A)
  • 200-V Machine Model (A115-A)