SN74HC164 8-Bit Parallel-Out Serial Shift Registers |


8-Bit Parallel-Out Serial Shift Registers



These 8-bit shift registers feature AND-gated serial inputs and an asynchronous clear (CLR) input. The gated serial (A and B) inputs permit complete control over incoming data; a low at either input inhibits entry of the new data and resets the first flip-flop to the low level at the next clock (CLK) pulse. A high-level input enables the other input, which then determines the state of the first flip-flop. Data at the serial inputs can be changed while CLK is high or low, provided the minimum set-up time requirements are met. Clocking occurs on the low-to-high-level transition of CLK.


  • Wide Operating Voltage Range of 2 V to 6 V
  • Outputs Can Drive Up to 10 LSTTL Loads
  • Low Power Consumption, 80-µA Maximum ICC
  • Typical tpd = 20 ns
  • ±4-mA Output Drive at 5 V
  • Low Input Current of 1-µA Maximum
  • AND-Gated (Enable/Disable) Serial Inputs
  • Fully Buffered Clock and Serial Inputs
  • Direct Clear
  • On Products Compliant to MIL-PRF-38535,
    All Parameters Are Tested Unless Otherwise
    Noted. On All Other Products, Production
    Processing Does Not Necessarily Include
    Testing of All Parameters.


Compare all products in Shift register Email Download to Excel
Part number Order Technology Family VCC (Min) (V) VCC (Max) (V) Voltage (Nom) (V) F @ nom voltage (Max) (MHz) ICC @ nom voltage (Max) (mA) tpd @ nom Voltage (Max) (ns) IOL (Max) (mA) IOH (Max) (mA) 3-state output Rating Operating temperature range (C)
SN74HC164 Order now HC     2     6     6     28     0.08     38     5.2     -5.2     No     Catalog     -40 to 125    
SN54HC164 Samples not available HC     2     6     6     28     0.08     38     5.2     -5.2     No     Military     -55 to 125