74174

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The 74174 (common variants 74LS174, 74HC174) is a 74-series logic Hex D-Type Flip-Flop with clear. Several discrete logic mappers use it as a latch.

74174 Pinout

              .--\/--.
     /Clear -o|01  16|-- +5V
         Q0 --|02  15|-- Q5
         D0 --|03  14|-- D5
         D1 --|04  13|-- D4
         Q1 --|05  12|-- Q4
         D2 --|06  11|-- D3
         Q2 --|07  10|-- Q3
        Gnd --|08  09|<- Clock
              `------'

Signal descriptions

While /Clear is low, Q is reset to 0.

A low-to-high transition of Clock causes Q to be set to the value of D.