#74LS629

Description: dual voltage-controlled oscillator, enable control, range control

Datasheet: http://www.ti.com/lit/gpn/sn74LS629

Pinout:

    +-----------+
 FC |[ 1]   [16]| VCC
 FC |[ 2]   [15]| OSC
RNG |[ 3]   [14]| RNG
CX1 |[ 4]   [13]| CX1
CX2 |[ 5]   [12]| CX2
 EN |[ 6]   [11]| EN
  Y |[ 7]   [10]| Y
OSC |[ 8]    [9]| GND
    +-----------+