SN74HCS595/SN74HCS595-Q1 8-Bit Shift Register Texas Instruments SN74HCS595/SN74HCS595-Q1 Automotive 8-Bit Shift Register is a device that contains an 8-bit, serial-in, parallel-out shift register. The register feeds an 8-bit D-type storage register. All inputs include Schmitt triggers, eliminating any erroneous data outputs due to slow-edged or noisy input signals. The storage register has parallel 3-state outputs. Separate clocks are provided for both the shift and storage register. The Texas Instruments SN74HCS595-Q1 devices are AEC-Q100 qualified for automotive applications.