556.yaml

---
description: Dual timer
package:     DIP
pincount:    14
datasheet:   "http://www.national.com/ds/LM/LM556.pdf"
pins:
  - num:  1
    sym:  DIS 1
    desc: discharge (timer 1)
  - num:  2
    sym:  THR 1
    desc: threshold (timer 1)
  - num:  3
    sym:  CV 1
    desc: control voltage (timer 1)
  - num:  4
    sym:  ~RESET~ 1
    desc: reset (active low, timer 1)
  - num:  5
    sym:  OUT 1
    desc: output (timer 1)
  - num:  6
    sym:  TRIG 1
    desc: trigger (timer 1)
  - num:  7
    sym:  GND
    desc: ground
  - num:  8
    sym:  TRIG 2
    desc: trigger (timer 2)
  - num:  9
    sym:  OUT 2
    desc: output (timer 2)
  - num:  10
    sym:  ~RESET~ 2
    desc: reset (active low, timer 2)
  - num:  11
    sym:  CV 2
    desc: control voltage (timer 2)
  - num:  12
    sym:  THR 2
    desc: threshold (timer 2)
  - num:  13
    sym:  DIS 2
    desc: discharge (timer 2)
  - num:  14
    sym:  Vcc
    desc: supply voltage
notes:
  - The 556 contains two 555 timers.
...