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.
| Tipo | Título | Fecha | ||
|---|---|---|---|---|
| * | Data sheet | 10-Bit Bus-Termination Array With Bus-Hold Function datasheet | 01 abr 1993 |
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