SN74LS595D datasheet by Texas Instruments

SN74LS595D Frequently Asked Questions (FAQs)

• What is the maximum clock frequency that can be used with the SN74LS595D?
  The maximum clock frequency for the SN74LS595D is 30 MHz, but it can vary depending on the specific application and operating conditions.
• How do I ensure that the data is properly latched and shifted in the SN74LS595D?
  To ensure proper latching and shifting, make sure to meet the setup and hold times for the data and clock signals, and use a clock signal with a sufficient high-time and low-time duration.
• What is the purpose of the RCLK (Latch Clock) input on the SN74LS595D?
  The RCLK input is used to latch the data from the shift register to the output latch. When RCLK is high, the data is latched and appears at the output pins.
• Can I use the SN74LS595D as a serial-to-parallel converter?
  Yes, the SN74LS595D can be used as a serial-to-parallel converter by shifting in serial data and then latching it to the output pins.
• How do I reset the SN74LS595D shift register?
  The SN74LS595D has a asynchronous reset input (SRCLR) that can be used to reset the shift register. When SRCLR is low, the shift register is reset and all outputs are set low.