SN74HCS595

• Wide operating voltage range: 2 V to 6 V
• Schmitt-trigger inputs allow for slow or noisy input signals
• Low power consumption
  • Typical I_CC of 100 nA
  • Typical input leakage current of ±100 nA
• ±7.8-mA output drive at 6 V
• Extended ambient temperature range: –40°C to +125°C, T_A

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The SN74HCS595 device contains an 8-bit, serial-in, parallel-out shift register that feeds an 8-bit D-type storage register. All inputs include Schmitt-trigger architecture, 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 shift register has a direct overriding clear (SRCLR) input, serial (SER) input, and a serial output (Q_H’) for cascading. When the output-enable (OE) input is high, the storage register outputs are in a high-impedance state. Internal register data and serial output (Q_H’) are not impacted by the operation of the OE input.