DM81LS95

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3-STATE Octal Buffer

    +---+--+---+             +---+---+---*------+
/G1 |1  +--+ 20| Vcc         |/G1|/G2| A |   Y  |
 A1 |2       19| /G2         +===+===+===*======+
 Y1 |3       18| A8          | H | X | X | Hi-Z |
 A2 |4       17| Y8          | X | H | X | Hi-Z |
 Y2 |5       16| A7          | L | L | H |   H  |
 A3 |6       15| Y7          | L | L | L |   L  |
 Y3 |7       14| A6          +---+---+---*------+
 A4 |8       13| Y6
 Y4 |9       12| A5
GND |10      11| Y5
    +----------+