74HCT193D,652 datasheet by NXP Semiconductors

74HCT193D,652 Frequently Asked Questions (FAQs)

• What is the maximum clock frequency for the 74HCT193D,652?
  The maximum clock frequency for the 74HCT193D,652 is 30 MHz, but it can operate up to 40 MHz with a reduced voltage supply (VCC) of 4.5V.
• How do I ensure correct data synchronization with the 74HCT193D,652?
  To ensure correct data synchronization, make sure to meet the setup and hold time requirements for the data inputs (D0-D3) with respect to the clock (CLK) signal. Also, use a clock signal with a rise and fall time of less than 10 ns to prevent data skew.
• Can I use the 74HCT193D,652 as a 4-bit latch instead of a counter?
  Yes, you can use the 74HCT193D,652 as a 4-bit latch by connecting the clock (CLK) input to a logic high level and using the load (LOAD) input to control the data loading. This will allow you to store and hold the data inputs (D0-D3) without incrementing the counter.
• What is the power consumption of the 74HCT193D,652?
  The power consumption of the 74HCT193D,652 depends on the operating frequency and voltage supply. At a frequency of 1 MHz and a voltage supply of 5V, the typical power consumption is around 15 mW. However, this can increase to around 50 mW at a frequency of 30 MHz.
• Is the 74HCT193D,652 compatible with 3.3V logic levels?
  The 74HCT193D,652 is designed to operate with 5V logic levels, but it can also be used with 3.3V logic levels with some limitations. The output high level (VOH) may not reach the full 3.3V, and the input high level (VIH) may need to be adjusted accordingly.