#74LS259

Description: 8-bit addressable latch

Datasheet: http://www.ti.com/lit/gpn/sn74LS259

Pinout:

    +-----------+
 A0 |[ 1]   [16]| VCC
 A1 |[ 2]   [15]| CLR
 A2 |[ 3]   [14]| E
 Q0 |[ 4]   [13]| D
 Q1 |[ 5]   [12]| Q7
 Q2 |[ 6]   [11]| Q6
 Q3 |[ 7]   [10]| Q5
GND |[ 8]    [9]| Q4
    +-----------+