The SN74ALS109A is a dual J-K positive-edge-triggered flip-flop from TI, with a maximum clock frequency of 50MHz and a power consumption of 6mW.
This Texas Instruments datasheet describes the SN54ALS109A, SN74ALS109A, SN54AS109A and SN74AS109A J‑K positive‑edge‑triggered flip‑flops. It includes functional description, pin configurations, and typical performance characteristics.
The document provides recommended operating conditions, absolute maximum ratings, electrical and switching characteristics, as well as detailed packaging, tape‑and‑reel and material information for each device variant.
| Typical maximum clock frequency (AS109A) | 129 MHz |
|---|---|
| Operating temperature range (SN54ALS109A) | -55 °C to 125 °C |
The device operates from –55 °C to 125 °C.