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The document describes the 16‑bit bus transceivers 54AC16646 and 74AC16646, which provide D‑type flip‑flops, 3‑state outputs and multiplexed real‑time and stored data handling. It includes functional block diagrams, logic symbols, and a function table that define the OE, DIR, CLKAB, CLKBA, SAB and SBA control signals.
Electrical characteristics such as absolute maximum ratings, recommended operating conditions, timing requirements, and switching performance are presented. Package options, power dissipation limits, and voltage‑waveform examples are also provided for design reference.
| Operating temperature range (54AC16646) | -55 °C to 125 °C |
|---|
The 54AC16646 is specified for operation from –55 °C to 125 °C.