555.yaml

---
description:  Timer
package:      DIP
pincount:     8
datasheet:    http://www.datasheetcatalog.org/datasheet/philips/NE_SA_SE555_C_2.pdf
pins:
  - num:  1
    sym:  GND
    desc: ground
  - num:  2
    sym:  TRIG
    desc: trigger
  - num:  3
    sym:  OUT
    desc: output
  - num:  4
    sym:  ~RESET
    desc: reset (active low)
  - num:  5
    sym:  CV
    desc: control voltage
  - num:  6
    sym:  THR
    desc: threshold
  - num:  7
    sym:  DIS
    desc: discharge
  - num:  8
    sym:  Vcc
    desc: supply voltage
specs:
  - param:  Maximum supply voltage
    val:    18
    unit:   V
  - param:  Maximum output current (NE555)
    val:    200
    unit:   mA
  - param:  Power dissipation
    val:    600
    unit:   mW
notes:
  - In monostable mode, pulse width ≈ 1.1RC
  - In astable mode, frequency = 1/(0.693*C*(R1+2*R2)) 
  - In astable mode, pulse high time = 0.693*(R1+R2)*C
  - In astable mode, pulse low time = 0.693*R2*C
...