Texas Instruments SN54ALS374A Octal D-Type Edge Triggered Flip-Flops with 3-State Outputs M38510/37204BRA

The SN54ALS374A is an octal D-type edge-triggered flip-flop featuring 3-state outputs, designed for driving high-capacitance or low-impedance loads. It is suitable for applications such as buffer registers, I/O ports, bidirectional bus drivers, and working registers. The device operates on the positive transition of the clock (CLK) input, capturing the logic levels present at the data (D) inputs. A buffered output-enable (OE) input allows the outputs to be placed in a high-impedance state, enabling multiple devices to share the same bus without interference. This flip-flop is characterized for military temperature ranges from -55°C to 125°C, making it suitable for harsh environments. The recommended supply voltage is between 4.5V and 5.5V, with a maximum clock frequency of 30 MHz for the SN54ALS374A variant. The device is available in various package options, including a 20-pin ceramic dual in-line package (CDIP) and is compliant with military specifications.