#74LS173

Description: 4-bit D-type Register, 3 state out

Datasheet: http://www.ti.com/lit/gpn/sn74LS173

Pinout:

    +-----------+
OE1 |[ 1]   [16]| VCC
OE2 |[ 2]   [15]| MR
 Q0 |[ 3]   [14]| D0
 Q1 |[ 4]   [13]| D1
 Q2 |[ 5]   [12]| D2
 Q3 |[ 6]   [11]| D3
 CP |[ 7]   [10]| E2
GND |[ 8]    [9]| E1
    +-----------+