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The SNJ54LS597FK is a military-grade, 8-bit parallel-in serial-out shift register from the Texas Instruments LS series. It features true outputs and operates within a temperature range of -55°C to 125°C. The device utilizes a 20-pin LCCC package with a 1.27 mm pitch. It requires a nominal 5 V supply voltage.
Verify the specific ordering suffix FK against the Package Option Addendum to confirm the LCCC package type and pin count. Ensure the QML certification status matches project requirements. Confirm RoHS exemption details as military parts may differ from commercial standards.
Select this component when military qualification and extended temperature operation are mandatory. Compare against SNJ54LS597J or SNJ54LS597W if different package footprints are required. Verify that the LS series speed and power characteristics meet system constraints.
This part belongs to the SN54LS597 family, which includes catalog versions like SN74LS597. The SNJ prefix indicates a military-qualified version. Other variants include ceramic DIP (J) and flatpack (W) packages offering alternative mounting options for similar functional requirements.
SNJ54LS597J and SNJ54LS597W are direct functional equivalents in different packages.