The AM26LS32Ax and AM26LS33Ax devices are quadruple differential line receivers for
balanced and unbalanced digital data transmission. The enable function is common to all four
receivers and offers a choice of active-high or active-low input. The 3-state outputs permit
connection directly to a bus-organized system. Fail-safe design ensures that, if the inputs are
open, the outputs always are high.
Compared to the AM26LS32 and the AM26LS33, the AM26LS32A and AM26LS33A incorporate an
additional stage of amplification to improve sensitivity. The input impedance has been increased,
resulting in less loading of the bus line. The additional stage has increased propagation delay;
however, this does not affect interchangeability in most applications.
The AM26LS32AC and AM26LS33AC are characterized for operation from 0°C to 70°C. The
AM26LS32AI is characterized for operation from –40°C to 85°C. The AM26LS32AM and AM26LS33AM are
characterized for operation over the full military temperature range of –55°C to 125°C.
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