#74LS295

Description: 4-bit bidirectional register, 3-state outputs

Datasheet: http://www.ti.com/lit/gpn/sn74LS295

Pinout:

    +-----------+
 DS |[ 1]   [14]| VCC
 P0 |[ 2]   [13]| Q0
 P1 |[ 3]   [12]| Q1
 P2 |[ 4]   [11]| Q2
 P3 |[ 5]   [10]| Q3
 PE |[ 6]    [9]| CP
GND |[ 7]    [8]| OE
    +-----------+