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TIMER 555
* https://www.electro-tech-online.com/threads/spice-and-555-timer.5806/
.SUBCKT UA555 32 30 19 23 33 1 21
* TR O R F TH D V
*
* Taken from the Fairchild data book (1982) page 9-3
*SYM=UA555
*DWG=C:\SPICE\555\UA555.DWG
Q4 25 2 3 QP
Q5 0 6 3 QP
Q6 6 6 8 QP
R1 9 21 4.7K
R2 3 21 830
R3 8 21 4.7K
Q7 2 33 5 QN
Q8 2 5 17 QN
Q9 6 4 17 QN
Q10 6 23 4 QN
Q11 12 20 10 QP
R4 10 21 1K
Q12 22 11 12 QP
Q13 14 13 12 QP
Q14 0 32 11 QP
Q15 14 18 13 QP
R5 14 0 100K
R6 22 0 100K
R7 17 0 10K
Q16 1 15 0 QN
Q17 15 19 31 QP
R8 18 23 5K
R9 18 0 5K
R10 21 23 5K
Q18 27 20 21 QP
Q19 20 20 21 QP
R11 20 31 5K
D1 31 24 DA
Q20 24 25 0 QN
Q21 25 22 0 QN
Q22 27 24 0 QN
R12 25 27 4.7K
R13 21 29 6.8K
Q23 21 29 28 QN
Q24 29 27 16 QN
Q25 30 26 0 QN
Q26 21 28 30 QN
D2 30 29 DA
R14 16 15 100
R15 16 26 220
R16 16 0 4.7K
R17 28 30 3.9K
Q3 2 2 9 QP
.MODEL DA D (RS=40 IS=1.0E-14 CJO=1PF)
.MODEL QP PNP (BF=20 BR=0.02 RC=4 RB=25 IS=1.0E-14 VA=50 NE=2)
+ CJE=12.4P VJE=1.1 MJE=.5 CJC=4.02P VJC=.3 MJC=.3 TF=229P TR=159N)
.MODEL QN NPN (IS=5.07F NF=1 BF=100 VAF=161 IKF=30M ISE=3.9P NE=2
+ BR=4 NR=1 VAR=16 IKR=45M RE=1.03 RB=4.12 RC=.412 XTB=1.5
+ CJE=12.4P VJE=1.1 MJE=.5 CJC=4.02P VJC=.3 MJC=.3 TF=229P TR=959P)
.ENDS
**********
* Sample Test Circuit for the LM555 Timer: Astable Mode
* The LM555 timer model is designed for low frequency
* applications, up to 100Hz.
.INCLUDE TLC555.LIB
.TRAN 10u 100MS
.OPTIONS RELTOL=.0001
.SAVE v(16) v(13) v(17)
.SAVE v(1) v(4) v(3)
V2 2 0 5
VReset res 0 DC 0 PULSE(0 5 1u 1u 1u 30m 50m)
R3 2 3 1k
R4 3 4 5k
C3 4 0 0.5u $ 0.15u
X2 4 1 res 6 4 3 2 ua555
* TR O R F TH D V
RA 2 17 1k $ 5k
RB 17 16 5k $ 3k
C 16 0 0.5u $ 0.15u
RL 2 13 1k
X1 16 15 16 res 13 17 2 0 TLC555
* THRES CONT TRIG RESET OUT DISC VCC GND
.control
if $?batchmode
else
run
plot v(16) v(13) v(17) v(1)+6 v(4)+6 v(3)+6
end
.endc
.END
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