SN74AHCT594 8-Bit Shift Registers With Output Registers |

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8-Bit Shift Registers With Output Registers



The SN74AHCT594 device contains an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type storage register.


  • Inputs Are TTL-Voltage Compatible
  • 8-Bit Serial-In, Parallel-Out Shift Registers
    With Storage
  • Independent Direct Overriding Clears on Shift
    and Storage Registers
  • Independent Clocks for Both Shift and Storage
  • Latch-Up Performance Exceeds 100 mA Per JESD,
    78 Class II
  • ESD Protection Exceeds JESD 22
    • 3500-V Human-Body Model
    • 200-V Machine Model
    • 2000-V Charged-Device Model


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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)
SN74AHCT594 Order now AHCT     4.5     5.5     5     70     0.02     10.1     8     -8     No     Catalog     -40 to 125